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authorKukjin Kim <kgene.kim@samsung.com>2011-10-04 05:57:43 -0400
committerKukjin Kim <kgene.kim@samsung.com>2011-10-04 05:57:43 -0400
commit22be71ea8bf7e9f907e916bf9f6c2bbea9f42553 (patch)
treeedf517ccf09aec82c6a30e69ef885a785fa77167 /arch
parent59ca37f74a6e9d3e9367359f2fcbb286df7d9748 (diff)
parentb391f8cf606679e97b02e3b9dca8a1d9956a5301 (diff)
Merge branch 'next/topic-gpio-samsung' into next-samsung-devel
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/Kconfig3
-rw-r--r--arch/arm/mach-exynos4/include/mach/pm-core.h2
-rw-r--r--arch/arm/mach-s3c2410/Kconfig7
-rw-r--r--arch/arm/mach-s3c2410/Makefile1
-rw-r--r--arch/arm/mach-s3c2410/include/mach/gpio-fns.h99
-rw-r--r--arch/arm/mach-s3c2410/include/mach/gpio-track.h6
-rw-r--r--arch/arm/mach-s3c2410/include/mach/pm-core.h2
-rw-r--r--arch/arm/mach-s3c2410/s3c2410.c4
-rw-r--r--arch/arm/mach-s3c2412/Kconfig1
-rw-r--r--arch/arm/mach-s3c2412/Makefile1
-rw-r--r--arch/arm/mach-s3c2412/gpio.c2
-rw-r--r--arch/arm/mach-s3c2416/Kconfig1
-rw-r--r--arch/arm/mach-s3c2416/s3c2416.c4
-rw-r--r--arch/arm/mach-s3c2440/Kconfig4
-rw-r--r--arch/arm/mach-s3c2440/s3c2440.c4
-rw-r--r--arch/arm/mach-s3c2440/s3c2442.c4
-rw-r--r--arch/arm/mach-s3c2443/Kconfig1
-rw-r--r--arch/arm/mach-s3c2443/s3c2443.c4
-rw-r--r--arch/arm/mach-s3c64xx/Makefile1
-rw-r--r--arch/arm/mach-s3c64xx/gpiolib.c290
-rw-r--r--arch/arm/mach-s3c64xx/include/mach/pm-core.h2
-rw-r--r--arch/arm/mach-s5p64x0/Makefile2
-rw-r--r--arch/arm/mach-s5p64x0/gpiolib.c511
-rw-r--r--arch/arm/mach-s5pv210/include/mach/pm-core.h2
-rw-r--r--arch/arm/plat-s3c24xx/Kconfig1
-rw-r--r--arch/arm/plat-s3c24xx/Makefile2
-rw-r--r--arch/arm/plat-s3c24xx/gpio.c96
-rw-r--r--arch/arm/plat-s3c24xx/gpiolib.c229
-rw-r--r--arch/arm/plat-s5p/Kconfig3
-rw-r--r--arch/arm/plat-s5p/irq-gpioint.c10
-rw-r--r--arch/arm/plat-samsung/Kconfig27
-rw-r--r--arch/arm/plat-samsung/Makefile2
-rw-r--r--arch/arm/plat-samsung/gpio-config.c431
-rw-r--r--arch/arm/plat-samsung/gpio.c167
-rw-r--r--arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h172
-rw-r--r--arch/arm/plat-samsung/include/plat/gpio-cfg.h34
-rw-r--r--arch/arm/plat-samsung/include/plat/gpio-core.h97
-rw-r--r--arch/arm/plat-samsung/include/plat/gpio-fns.h98
-rw-r--r--arch/arm/plat-samsung/include/plat/pm.h10
-rw-r--r--arch/arm/plat-samsung/pm-gpio.c72
-rw-r--r--arch/arm/plat-samsung/pm.c6
41 files changed, 251 insertions, 2164 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 3146ed3f6eca..bea81d018312 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -724,9 +724,6 @@ config ARCH_S3C64XX
724 select SAMSUNG_IRQ_VIC_TIMER 724 select SAMSUNG_IRQ_VIC_TIMER
725 select SAMSUNG_IRQ_UART 725 select SAMSUNG_IRQ_UART
726 select S3C_GPIO_TRACK 726 select S3C_GPIO_TRACK
727 select S3C_GPIO_PULL_UPDOWN
728 select S3C_GPIO_CFG_S3C24XX
729 select S3C_GPIO_CFG_S3C64XX
730 select S3C_DEV_NAND 727 select S3C_DEV_NAND
731 select USB_ARCH_HAS_OHCI 728 select USB_ARCH_HAS_OHCI
732 select SAMSUNG_GPIOLIB_4BIT 729 select SAMSUNG_GPIOLIB_4BIT
diff --git a/arch/arm/mach-exynos4/include/mach/pm-core.h b/arch/arm/mach-exynos4/include/mach/pm-core.h
index 1df3b81f96e8..3499ec737206 100644
--- a/arch/arm/mach-exynos4/include/mach/pm-core.h
+++ b/arch/arm/mach-exynos4/include/mach/pm-core.h
@@ -53,7 +53,7 @@ static inline void s3c_pm_restored_gpios(void)
53 /* nothing here yet */ 53 /* nothing here yet */
54} 54}
55 55
56static inline void s3c_pm_saved_gpios(void) 56static inline void samsung_pm_saved_gpios(void)
57{ 57{
58 /* nothing here yet */ 58 /* nothing here yet */
59} 59}
diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig
index 7245a55795dc..5261a7ed0999 100644
--- a/arch/arm/mach-s3c2410/Kconfig
+++ b/arch/arm/mach-s3c2410/Kconfig
@@ -6,9 +6,7 @@ config CPU_S3C2410
6 bool 6 bool
7 depends on ARCH_S3C2410 7 depends on ARCH_S3C2410
8 select CPU_ARM920T 8 select CPU_ARM920T
9 select S3C_GPIO_PULL_UP
10 select S3C2410_CLOCK 9 select S3C2410_CLOCK
11 select S3C2410_GPIO
12 select CPU_LLSERIAL_S3C2410 10 select CPU_LLSERIAL_S3C2410
13 select S3C2410_PM if PM 11 select S3C2410_PM if PM
14 select S3C2410_CPUFREQ if CPU_FREQ_S3C24XX 12 select S3C2410_CPUFREQ if CPU_FREQ_S3C24XX
@@ -28,11 +26,6 @@ config S3C2410_PM
28 help 26 help
29 Power Management code common to S3C2410 and better 27 Power Management code common to S3C2410 and better
30 28
31config S3C2410_GPIO
32 bool
33 help
34 GPIO code for S3C2410 and similar processors
35
36config SIMTEC_NOR 29config SIMTEC_NOR
37 bool 30 bool
38 help 31 help
diff --git a/arch/arm/mach-s3c2410/Makefile b/arch/arm/mach-s3c2410/Makefile
index 81695353d8f4..782fd81144e9 100644
--- a/arch/arm/mach-s3c2410/Makefile
+++ b/arch/arm/mach-s3c2410/Makefile
@@ -13,7 +13,6 @@ obj-$(CONFIG_CPU_S3C2410) += s3c2410.o
13obj-$(CONFIG_CPU_S3C2410_DMA) += dma.o 13obj-$(CONFIG_CPU_S3C2410_DMA) += dma.o
14obj-$(CONFIG_CPU_S3C2410_DMA) += dma.o 14obj-$(CONFIG_CPU_S3C2410_DMA) += dma.o
15obj-$(CONFIG_S3C2410_PM) += pm.o sleep.o 15obj-$(CONFIG_S3C2410_PM) += pm.o sleep.o
16obj-$(CONFIG_S3C2410_GPIO) += gpio.o
17obj-$(CONFIG_S3C2410_CPUFREQ) += cpu-freq.o 16obj-$(CONFIG_S3C2410_CPUFREQ) += cpu-freq.o
18obj-$(CONFIG_S3C2410_PLLTABLE) += pll.o 17obj-$(CONFIG_S3C2410_PLLTABLE) += pll.o
19 18
diff --git a/arch/arm/mach-s3c2410/include/mach/gpio-fns.h b/arch/arm/mach-s3c2410/include/mach/gpio-fns.h
index bab139201761..c53ad34c6579 100644
--- a/arch/arm/mach-s3c2410/include/mach/gpio-fns.h
+++ b/arch/arm/mach-s3c2410/include/mach/gpio-fns.h
@@ -1,98 +1 @@
1/* arch/arm/mach-s3c2410/include/mach/gpio-fns.h #include <plat/gpio-fns.h>
2 *
3 * Copyright (c) 2003-2009 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 *
6 * S3C2410 - hardware
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11*/
12
13#ifndef __MACH_GPIO_FNS_H
14#define __MACH_GPIO_FNS_H __FILE__
15
16/* These functions are in the to-be-removed category and it is strongly
17 * encouraged not to use these in new code. They will be marked deprecated
18 * very soon.
19 *
20 * Most of the functionality can be either replaced by the gpiocfg calls
21 * for the s3c platform or by the generic GPIOlib API.
22 *
23 * As of 2.6.35-rc, these will be removed, with the few drivers using them
24 * either replaced or given a wrapper until the calls can be removed.
25*/
26
27#include <plat/gpio-cfg.h>
28
29static inline void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int cfg)
30{
31 /* 1:1 mapping between cfgpin and setcfg calls at the moment */
32 s3c_gpio_cfgpin(pin, cfg);
33}
34
35/* external functions for GPIO support
36 *
37 * These allow various different clients to access the same GPIO
38 * registers without conflicting. If your driver only owns the entire
39 * GPIO register, then it is safe to ioremap/__raw_{read|write} to it.
40*/
41
42extern unsigned int s3c2410_gpio_getcfg(unsigned int pin);
43
44/* s3c2410_gpio_getirq
45 *
46 * turn the given pin number into the corresponding IRQ number
47 *
48 * returns:
49 * < 0 = no interrupt for this pin
50 * >=0 = interrupt number for the pin
51*/
52
53extern int s3c2410_gpio_getirq(unsigned int pin);
54
55/* s3c2410_gpio_irqfilter
56 *
57 * set the irq filtering on the given pin
58 *
59 * on = 0 => disable filtering
60 * 1 => enable filtering
61 *
62 * config = S3C2410_EINTFLT_PCLK or S3C2410_EINTFLT_EXTCLK orred with
63 * width of filter (0 through 63)
64 *
65 *
66*/
67
68extern int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on,
69 unsigned int config);
70
71/* s3c2410_gpio_pullup
72 *
73 * This call should be replaced with s3c_gpio_setpull().
74 *
75 * As a note, there is currently no distinction between pull-up and pull-down
76 * in the s3c24xx series devices with only an on/off configuration.
77 */
78
79/* s3c2410_gpio_pullup
80 *
81 * configure the pull-up control on the given pin
82 *
83 * to = 1 => disable the pull-up
84 * 0 => enable the pull-up
85 *
86 * eg;
87 *
88 * s3c2410_gpio_pullup(S3C2410_GPB(0), 0);
89 * s3c2410_gpio_pullup(S3C2410_GPE(8), 0);
90*/
91
92extern void s3c2410_gpio_pullup(unsigned int pin, unsigned int to);
93
94extern void s3c2410_gpio_setpin(unsigned int pin, unsigned int to);
95
96extern unsigned int s3c2410_gpio_getpin(unsigned int pin);
97
98#endif /* __MACH_GPIO_FNS_H */
diff --git a/arch/arm/mach-s3c2410/include/mach/gpio-track.h b/arch/arm/mach-s3c2410/include/mach/gpio-track.h
index d67819dde42a..c410a078622c 100644
--- a/arch/arm/mach-s3c2410/include/mach/gpio-track.h
+++ b/arch/arm/mach-s3c2410/include/mach/gpio-track.h
@@ -17,11 +17,11 @@
17 17
18#include <mach/regs-gpio.h> 18#include <mach/regs-gpio.h>
19 19
20extern struct s3c_gpio_chip s3c24xx_gpios[]; 20extern struct samsung_gpio_chip s3c24xx_gpios[];
21 21
22static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int pin) 22static inline struct samsung_gpio_chip *samsung_gpiolib_getchip(unsigned int pin)
23{ 23{
24 struct s3c_gpio_chip *chip; 24 struct samsung_gpio_chip *chip;
25 25
26 if (pin > S3C_GPIO_END) 26 if (pin > S3C_GPIO_END)
27 return NULL; 27 return NULL;
diff --git a/arch/arm/mach-s3c2410/include/mach/pm-core.h b/arch/arm/mach-s3c2410/include/mach/pm-core.h
index 45eea5210c87..2eef7e6f7675 100644
--- a/arch/arm/mach-s3c2410/include/mach/pm-core.h
+++ b/arch/arm/mach-s3c2410/include/mach/pm-core.h
@@ -64,4 +64,4 @@ static inline void s3c_pm_arch_update_uart(void __iomem *regs,
64} 64}
65 65
66static inline void s3c_pm_restored_gpios(void) { } 66static inline void s3c_pm_restored_gpios(void) { }
67static inline void s3c_pm_saved_gpios(void) { } 67static inline void samsung_pm_saved_gpios(void) { }
diff --git a/arch/arm/mach-s3c2410/s3c2410.c b/arch/arm/mach-s3c2410/s3c2410.c
index f1d3bd8f6f17..a99c2f4a523f 100644
--- a/arch/arm/mach-s3c2410/s3c2410.c
+++ b/arch/arm/mach-s3c2410/s3c2410.c
@@ -72,8 +72,8 @@ void __init s3c2410_init_uarts(struct s3c2410_uartcfg *cfg, int no)
72 72
73void __init s3c2410_map_io(void) 73void __init s3c2410_map_io(void)
74{ 74{
75 s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1up; 75 s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1up;
76 s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1up; 76 s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1up;
77 77
78 iotable_init(s3c2410_iodesc, ARRAY_SIZE(s3c2410_iodesc)); 78 iotable_init(s3c2410_iodesc, ARRAY_SIZE(s3c2410_iodesc));
79} 79}
diff --git a/arch/arm/mach-s3c2412/Kconfig b/arch/arm/mach-s3c2412/Kconfig
index c2cf4e569989..b8b9029e9f2d 100644
--- a/arch/arm/mach-s3c2412/Kconfig
+++ b/arch/arm/mach-s3c2412/Kconfig
@@ -9,7 +9,6 @@ config CPU_S3C2412
9 select CPU_LLSERIAL_S3C2440 9 select CPU_LLSERIAL_S3C2440
10 select S3C2412_PM if PM 10 select S3C2412_PM if PM
11 select S3C2412_DMA if S3C2410_DMA 11 select S3C2412_DMA if S3C2410_DMA
12 select S3C2410_GPIO
13 help 12 help
14 Support for the S3C2412 and S3C2413 SoCs from the S3C24XX line 13 Support for the S3C2412 and S3C2413 SoCs from the S3C24XX line
15 14
diff --git a/arch/arm/mach-s3c2412/Makefile b/arch/arm/mach-s3c2412/Makefile
index 6c48a91ea39e..7e4d95fa8a97 100644
--- a/arch/arm/mach-s3c2412/Makefile
+++ b/arch/arm/mach-s3c2412/Makefile
@@ -12,7 +12,6 @@ obj- :=
12obj-$(CONFIG_CPU_S3C2412) += s3c2412.o 12obj-$(CONFIG_CPU_S3C2412) += s3c2412.o
13obj-$(CONFIG_CPU_S3C2412) += irq.o 13obj-$(CONFIG_CPU_S3C2412) += irq.o
14obj-$(CONFIG_CPU_S3C2412) += clock.o 14obj-$(CONFIG_CPU_S3C2412) += clock.o
15obj-$(CONFIG_CPU_S3C2412) += gpio.o
16obj-$(CONFIG_S3C2412_DMA) += dma.o 15obj-$(CONFIG_S3C2412_DMA) += dma.o
17obj-$(CONFIG_S3C2412_PM) += pm.o 16obj-$(CONFIG_S3C2412_PM) += pm.o
18obj-$(CONFIG_S3C2412_PM_SLEEP) += sleep.o 17obj-$(CONFIG_S3C2412_PM_SLEEP) += sleep.o
diff --git a/arch/arm/mach-s3c2412/gpio.c b/arch/arm/mach-s3c2412/gpio.c
index 3404a876b33e..4526f6ba31a8 100644
--- a/arch/arm/mach-s3c2412/gpio.c
+++ b/arch/arm/mach-s3c2412/gpio.c
@@ -28,7 +28,7 @@
28 28
29int s3c2412_gpio_set_sleepcfg(unsigned int pin, unsigned int state) 29int s3c2412_gpio_set_sleepcfg(unsigned int pin, unsigned int state)
30{ 30{
31 struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); 31 struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin);
32 unsigned long offs = pin - chip->chip.base; 32 unsigned long offs = pin - chip->chip.base;
33 unsigned long flags; 33 unsigned long flags;
34 unsigned long slpcon; 34 unsigned long slpcon;
diff --git a/arch/arm/mach-s3c2416/Kconfig b/arch/arm/mach-s3c2416/Kconfig
index 69b48a7d1dbd..84c7b03e5a30 100644
--- a/arch/arm/mach-s3c2416/Kconfig
+++ b/arch/arm/mach-s3c2416/Kconfig
@@ -13,7 +13,6 @@ config CPU_S3C2416
13 select CPU_ARM926T 13 select CPU_ARM926T
14 select S3C2416_DMA if S3C2410_DMA 14 select S3C2416_DMA if S3C2410_DMA
15 select CPU_LLSERIAL_S3C2440 15 select CPU_LLSERIAL_S3C2440
16 select S3C_GPIO_PULL_UPDOWN
17 select SAMSUNG_CLKSRC 16 select SAMSUNG_CLKSRC
18 select S3C2443_CLOCK 17 select S3C2443_CLOCK
19 help 18 help
diff --git a/arch/arm/mach-s3c2416/s3c2416.c b/arch/arm/mach-s3c2416/s3c2416.c
index 494ce913dc95..3156b7a71371 100644
--- a/arch/arm/mach-s3c2416/s3c2416.c
+++ b/arch/arm/mach-s3c2416/s3c2416.c
@@ -118,8 +118,8 @@ void __init s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no)
118 118
119void __init s3c2416_map_io(void) 119void __init s3c2416_map_io(void)
120{ 120{
121 s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_updown; 121 s3c24xx_gpiocfg_default.set_pull = samsung_gpio_setpull_updown;
122 s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_updown; 122 s3c24xx_gpiocfg_default.get_pull = samsung_gpio_getpull_updown;
123 123
124 /* initialize device information early */ 124 /* initialize device information early */
125 s3c2416_default_sdhci0(); 125 s3c2416_default_sdhci0();
diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig
index 50825a3f91cc..914e620f1257 100644
--- a/arch/arm/mach-s3c2440/Kconfig
+++ b/arch/arm/mach-s3c2440/Kconfig
@@ -5,10 +5,8 @@
5config CPU_S3C2440 5config CPU_S3C2440
6 bool 6 bool
7 select CPU_ARM920T 7 select CPU_ARM920T
8 select S3C_GPIO_PULL_UP
9 select S3C2410_CLOCK 8 select S3C2410_CLOCK
10 select S3C2410_PM if PM 9 select S3C2410_PM if PM
11 select S3C2410_GPIO
12 select S3C2440_DMA if S3C2410_DMA 10 select S3C2440_DMA if S3C2410_DMA
13 select CPU_S3C244X 11 select CPU_S3C244X
14 select CPU_LLSERIAL_S3C2440 12 select CPU_LLSERIAL_S3C2440
@@ -18,9 +16,7 @@ config CPU_S3C2440
18config CPU_S3C2442 16config CPU_S3C2442
19 bool 17 bool
20 select CPU_ARM920T 18 select CPU_ARM920T
21 select S3C_GPIO_PULL_DOWN
22 select S3C2410_CLOCK 19 select S3C2410_CLOCK
23 select S3C2410_GPIO
24 select S3C2410_PM if PM 20 select S3C2410_PM if PM
25 select CPU_S3C244X 21 select CPU_S3C244X
26 select CPU_LLSERIAL_S3C2440 22 select CPU_LLSERIAL_S3C2440
diff --git a/arch/arm/mach-s3c2440/s3c2440.c b/arch/arm/mach-s3c2440/s3c2440.c
index ce99ff72838d..fc84e481efcf 100644
--- a/arch/arm/mach-s3c2440/s3c2440.c
+++ b/arch/arm/mach-s3c2440/s3c2440.c
@@ -68,6 +68,6 @@ void __init s3c2440_map_io(void)
68{ 68{
69 s3c244x_map_io(); 69 s3c244x_map_io();
70 70
71 s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1up; 71 s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1up;
72 s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1up; 72 s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1up;
73} 73}
diff --git a/arch/arm/mach-s3c2440/s3c2442.c b/arch/arm/mach-s3c2440/s3c2442.c
index 9ad99f8016a1..48e273ce9f9a 100644
--- a/arch/arm/mach-s3c2440/s3c2442.c
+++ b/arch/arm/mach-s3c2440/s3c2442.c
@@ -180,6 +180,6 @@ void __init s3c2442_map_io(void)
180{ 180{
181 s3c244x_map_io(); 181 s3c244x_map_io();
182 182
183 s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1down; 183 s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1down;
184 s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1down; 184 s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1down;
185} 185}
diff --git a/arch/arm/mach-s3c2443/Kconfig b/arch/arm/mach-s3c2443/Kconfig
index d8eb86823df7..8814031516ce 100644
--- a/arch/arm/mach-s3c2443/Kconfig
+++ b/arch/arm/mach-s3c2443/Kconfig
@@ -10,7 +10,6 @@ config CPU_S3C2443
10 select CPU_LLSERIAL_S3C2440 10 select CPU_LLSERIAL_S3C2440
11 select SAMSUNG_CLKSRC 11 select SAMSUNG_CLKSRC
12 select S3C2443_CLOCK 12 select S3C2443_CLOCK
13 select S3C_GPIO_PULL_S3C2443
14 help 13 help
15 Support for the S3C2443 SoC from the S3C24XX line 14 Support for the S3C2443 SoC from the S3C24XX line
16 15
diff --git a/arch/arm/mach-s3c2443/s3c2443.c b/arch/arm/mach-s3c2443/s3c2443.c
index e6a28ba52c7d..5df6458ddd42 100644
--- a/arch/arm/mach-s3c2443/s3c2443.c
+++ b/arch/arm/mach-s3c2443/s3c2443.c
@@ -90,8 +90,8 @@ void __init s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no)
90 90
91void __init s3c2443_map_io(void) 91void __init s3c2443_map_io(void)
92{ 92{
93 s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_s3c2443; 93 s3c24xx_gpiocfg_default.set_pull = s3c2443_gpio_setpull;
94 s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_s3c2443; 94 s3c24xx_gpiocfg_default.get_pull = s3c2443_gpio_getpull;
95 95
96 iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_iodesc)); 96 iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_iodesc));
97} 97}
diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile
index 5fdea6aa50d4..902ab9ace93b 100644
--- a/arch/arm/mach-s3c64xx/Makefile
+++ b/arch/arm/mach-s3c64xx/Makefile
@@ -13,7 +13,6 @@ obj- :=
13# Core files 13# Core files
14obj-y += cpu.o 14obj-y += cpu.o
15obj-y += clock.o 15obj-y += clock.o
16obj-y += gpiolib.o
17 16
18# Core support for S3C6400 system 17# Core support for S3C6400 system
19 18
diff --git a/arch/arm/mach-s3c64xx/gpiolib.c b/arch/arm/mach-s3c64xx/gpiolib.c
deleted file mode 100644
index 92b09085caaa..000000000000
--- a/arch/arm/mach-s3c64xx/gpiolib.c
+++ /dev/null
@@ -1,290 +0,0 @@
1/* arch/arm/plat-s3c64xx/gpiolib.c
2 *
3 * Copyright 2008 Openmoko, Inc.
4 * Copyright 2008 Simtec Electronics
5 * Ben Dooks <ben@simtec.co.uk>
6 * http://armlinux.simtec.co.uk/
7 *
8 * S3C64XX - GPIOlib support
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15#include <linux/kernel.h>
16#include <linux/irq.h>
17#include <linux/io.h>
18#include <linux/gpio.h>
19
20#include <mach/map.h>
21
22#include <plat/gpio-core.h>
23#include <plat/gpio-cfg.h>
24#include <plat/gpio-cfg-helpers.h>
25#include <mach/regs-gpio.h>
26
27/* GPIO bank summary:
28 *
29 * Bank GPIOs Style SlpCon ExtInt Group
30 * A 8 4Bit Yes 1
31 * B 7 4Bit Yes 1
32 * C 8 4Bit Yes 2
33 * D 5 4Bit Yes 3
34 * E 5 4Bit Yes None
35 * F 16 2Bit Yes 4 [1]
36 * G 7 4Bit Yes 5
37 * H 10 4Bit[2] Yes 6
38 * I 16 2Bit Yes None
39 * J 12 2Bit Yes None
40 * K 16 4Bit[2] No None
41 * L 15 4Bit[2] No None
42 * M 6 4Bit No IRQ_EINT
43 * N 16 2Bit No IRQ_EINT
44 * O 16 2Bit Yes 7
45 * P 15 2Bit Yes 8
46 * Q 9 2Bit Yes 9
47 *
48 * [1] BANKF pins 14,15 do not form part of the external interrupt sources
49 * [2] BANK has two control registers, GPxCON0 and GPxCON1
50 */
51
52static struct s3c_gpio_cfg gpio_4bit_cfg_noint = {
53 .set_config = s3c_gpio_setcfg_s3c64xx_4bit,
54 .get_config = s3c_gpio_getcfg_s3c64xx_4bit,
55 .set_pull = s3c_gpio_setpull_updown,
56 .get_pull = s3c_gpio_getpull_updown,
57};
58
59static struct s3c_gpio_cfg gpio_4bit_cfg_eint0111 = {
60 .cfg_eint = 7,
61 .set_config = s3c_gpio_setcfg_s3c64xx_4bit,
62 .get_config = s3c_gpio_getcfg_s3c64xx_4bit,
63 .set_pull = s3c_gpio_setpull_updown,
64 .get_pull = s3c_gpio_getpull_updown,
65};
66
67static struct s3c_gpio_cfg gpio_4bit_cfg_eint0011 = {
68 .cfg_eint = 3,
69 .get_config = s3c_gpio_getcfg_s3c64xx_4bit,
70 .set_config = s3c_gpio_setcfg_s3c64xx_4bit,
71 .set_pull = s3c_gpio_setpull_updown,
72 .get_pull = s3c_gpio_getpull_updown,
73};
74
75static int s3c64xx_gpio2int_gpm(struct gpio_chip *chip, unsigned pin)
76{
77 return pin < 5 ? IRQ_EINT(23) + pin : -ENXIO;
78}
79
80static struct s3c_gpio_chip gpio_4bit[] = {
81 {
82 .base = S3C64XX_GPA_BASE,
83 .config = &gpio_4bit_cfg_eint0111,
84 .chip = {
85 .base = S3C64XX_GPA(0),
86 .ngpio = S3C64XX_GPIO_A_NR,
87 .label = "GPA",
88 },
89 }, {
90 .base = S3C64XX_GPB_BASE,
91 .config = &gpio_4bit_cfg_eint0111,
92 .chip = {
93 .base = S3C64XX_GPB(0),
94 .ngpio = S3C64XX_GPIO_B_NR,
95 .label = "GPB",
96 },
97 }, {
98 .base = S3C64XX_GPC_BASE,
99 .config = &gpio_4bit_cfg_eint0111,
100 .chip = {
101 .base = S3C64XX_GPC(0),
102 .ngpio = S3C64XX_GPIO_C_NR,
103 .label = "GPC",
104 },
105 }, {
106 .base = S3C64XX_GPD_BASE,
107 .config = &gpio_4bit_cfg_eint0111,
108 .chip = {
109 .base = S3C64XX_GPD(0),
110 .ngpio = S3C64XX_GPIO_D_NR,
111 .label = "GPD",
112 },
113 }, {
114 .base = S3C64XX_GPE_BASE,
115 .config = &gpio_4bit_cfg_noint,
116 .chip = {
117 .base = S3C64XX_GPE(0),
118 .ngpio = S3C64XX_GPIO_E_NR,
119 .label = "GPE",
120 },
121 }, {
122 .base = S3C64XX_GPG_BASE,
123 .config = &gpio_4bit_cfg_eint0111,
124 .chip = {
125 .base = S3C64XX_GPG(0),
126 .ngpio = S3C64XX_GPIO_G_NR,
127 .label = "GPG",
128 },
129 }, {
130 .base = S3C64XX_GPM_BASE,
131 .config = &gpio_4bit_cfg_eint0011,
132 .chip = {
133 .base = S3C64XX_GPM(0),
134 .ngpio = S3C64XX_GPIO_M_NR,
135 .label = "GPM",
136 .to_irq = s3c64xx_gpio2int_gpm,
137 },
138 },
139};
140
141static int s3c64xx_gpio2int_gpl(struct gpio_chip *chip, unsigned pin)
142{
143 return pin >= 8 ? IRQ_EINT(16) + pin - 8 : -ENXIO;
144}
145
146static struct s3c_gpio_chip gpio_4bit2[] = {
147 {
148 .base = S3C64XX_GPH_BASE + 0x4,
149 .config = &gpio_4bit_cfg_eint0111,
150 .chip = {
151 .base = S3C64XX_GPH(0),
152 .ngpio = S3C64XX_GPIO_H_NR,
153 .label = "GPH",
154 },
155 }, {
156 .base = S3C64XX_GPK_BASE + 0x4,
157 .config = &gpio_4bit_cfg_noint,
158 .chip = {
159 .base = S3C64XX_GPK(0),
160 .ngpio = S3C64XX_GPIO_K_NR,
161 .label = "GPK",
162 },
163 }, {
164 .base = S3C64XX_GPL_BASE + 0x4,
165 .config = &gpio_4bit_cfg_eint0011,
166 .chip = {
167 .base = S3C64XX_GPL(0),
168 .ngpio = S3C64XX_GPIO_L_NR,
169 .label = "GPL",
170 .to_irq = s3c64xx_gpio2int_gpl,
171 },
172 },
173};
174
175static struct s3c_gpio_cfg gpio_2bit_cfg_noint = {
176 .set_config = s3c_gpio_setcfg_s3c24xx,
177 .get_config = s3c_gpio_getcfg_s3c24xx,
178 .set_pull = s3c_gpio_setpull_updown,
179 .get_pull = s3c_gpio_getpull_updown,
180};
181
182static struct s3c_gpio_cfg gpio_2bit_cfg_eint10 = {
183 .cfg_eint = 2,
184 .set_config = s3c_gpio_setcfg_s3c24xx,
185 .get_config = s3c_gpio_getcfg_s3c24xx,
186 .set_pull = s3c_gpio_setpull_updown,
187 .get_pull = s3c_gpio_getpull_updown,
188};
189
190static struct s3c_gpio_cfg gpio_2bit_cfg_eint11 = {
191 .cfg_eint = 3,
192 .set_config = s3c_gpio_setcfg_s3c24xx,
193 .get_config = s3c_gpio_getcfg_s3c24xx,
194 .set_pull = s3c_gpio_setpull_updown,
195 .get_pull = s3c_gpio_getpull_updown,
196};
197
198static struct s3c_gpio_chip gpio_2bit[] = {
199 {
200 .base = S3C64XX_GPF_BASE,
201 .config = &gpio_2bit_cfg_eint11,
202 .chip = {
203 .base = S3C64XX_GPF(0),
204 .ngpio = S3C64XX_GPIO_F_NR,
205 .label = "GPF",
206 },
207 }, {
208 .base = S3C64XX_GPI_BASE,
209 .config = &gpio_2bit_cfg_noint,
210 .chip = {
211 .base = S3C64XX_GPI(0),
212 .ngpio = S3C64XX_GPIO_I_NR,
213 .label = "GPI",
214 },
215 }, {
216 .base = S3C64XX_GPJ_BASE,
217 .config = &gpio_2bit_cfg_noint,
218 .chip = {
219 .base = S3C64XX_GPJ(0),
220 .ngpio = S3C64XX_GPIO_J_NR,
221 .label = "GPJ",
222 },
223 }, {
224 .base = S3C64XX_GPN_BASE,
225 .irq_base = IRQ_EINT(0),
226 .config = &gpio_2bit_cfg_eint10,
227 .chip = {
228 .base = S3C64XX_GPN(0),
229 .ngpio = S3C64XX_GPIO_N_NR,
230 .label = "GPN",
231 .to_irq = samsung_gpiolib_to_irq,
232 },
233 }, {
234 .base = S3C64XX_GPO_BASE,
235 .config = &gpio_2bit_cfg_eint11,
236 .chip = {
237 .base = S3C64XX_GPO(0),
238 .ngpio = S3C64XX_GPIO_O_NR,
239 .label = "GPO",
240 },
241 }, {
242 .base = S3C64XX_GPP_BASE,
243 .config = &gpio_2bit_cfg_eint11,
244 .chip = {
245 .base = S3C64XX_GPP(0),
246 .ngpio = S3C64XX_GPIO_P_NR,
247 .label = "GPP",
248 },
249 }, {
250 .base = S3C64XX_GPQ_BASE,
251 .config = &gpio_2bit_cfg_eint11,
252 .chip = {
253 .base = S3C64XX_GPQ(0),
254 .ngpio = S3C64XX_GPIO_Q_NR,
255 .label = "GPQ",
256 },
257 },
258};
259
260static __init void s3c64xx_gpiolib_add_2bit(struct s3c_gpio_chip *chip)
261{
262 chip->pm = __gpio_pm(&s3c_gpio_pm_2bit);
263}
264
265static __init void s3c64xx_gpiolib_add(struct s3c_gpio_chip *chips,
266 int nr_chips,
267 void (*fn)(struct s3c_gpio_chip *))
268{
269 for (; nr_chips > 0; nr_chips--, chips++) {
270 if (fn)
271 (fn)(chips);
272 s3c_gpiolib_add(chips);
273 }
274}
275
276static __init int s3c64xx_gpiolib_init(void)
277{
278 s3c64xx_gpiolib_add(gpio_4bit, ARRAY_SIZE(gpio_4bit),
279 samsung_gpiolib_add_4bit);
280
281 s3c64xx_gpiolib_add(gpio_4bit2, ARRAY_SIZE(gpio_4bit2),
282 samsung_gpiolib_add_4bit2);
283
284 s3c64xx_gpiolib_add(gpio_2bit, ARRAY_SIZE(gpio_2bit),
285 s3c64xx_gpiolib_add_2bit);
286
287 return 0;
288}
289
290core_initcall(s3c64xx_gpiolib_init);
diff --git a/arch/arm/mach-s3c64xx/include/mach/pm-core.h b/arch/arm/mach-s3c64xx/include/mach/pm-core.h
index 38659bebe4b1..fcf3dcabb694 100644
--- a/arch/arm/mach-s3c64xx/include/mach/pm-core.h
+++ b/arch/arm/mach-s3c64xx/include/mach/pm-core.h
@@ -104,7 +104,7 @@ static inline void s3c_pm_restored_gpios(void)
104 __raw_writel(0, S3C64XX_SLPEN); 104 __raw_writel(0, S3C64XX_SLPEN);
105} 105}
106 106
107static inline void s3c_pm_saved_gpios(void) 107static inline void samsung_pm_saved_gpios(void)
108{ 108{
109 /* turn on the sleep mode and keep it there, as it seems that during 109 /* turn on the sleep mode and keep it there, as it seems that during
110 * suspend the xCON registers get re-set and thus you can end up with 110 * suspend the xCON registers get re-set and thus you can end up with
diff --git a/arch/arm/mach-s5p64x0/Makefile b/arch/arm/mach-s5p64x0/Makefile
index 5f6afdf067ed..5b9495538839 100644
--- a/arch/arm/mach-s5p64x0/Makefile
+++ b/arch/arm/mach-s5p64x0/Makefile
@@ -12,7 +12,7 @@ obj- :=
12 12
13# Core support for S5P64X0 system 13# Core support for S5P64X0 system
14 14
15obj-$(CONFIG_ARCH_S5P64X0) += cpu.o init.o clock.o dma.o gpiolib.o 15obj-$(CONFIG_ARCH_S5P64X0) += cpu.o init.o clock.o dma.o
16obj-$(CONFIG_ARCH_S5P64X0) += setup-i2c0.o irq-eint.o 16obj-$(CONFIG_ARCH_S5P64X0) += setup-i2c0.o irq-eint.o
17obj-$(CONFIG_CPU_S5P6440) += clock-s5p6440.o 17obj-$(CONFIG_CPU_S5P6440) += clock-s5p6440.o
18obj-$(CONFIG_CPU_S5P6450) += clock-s5p6450.o 18obj-$(CONFIG_CPU_S5P6450) += clock-s5p6450.o
diff --git a/arch/arm/mach-s5p64x0/gpiolib.c b/arch/arm/mach-s5p64x0/gpiolib.c
deleted file mode 100644
index e7fb3b004e77..000000000000
--- a/arch/arm/mach-s5p64x0/gpiolib.c
+++ /dev/null
@@ -1,511 +0,0 @@
1/* linux/arch/arm/mach-s5p64x0/gpiolib.c
2 *
3 * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com
5 *
6 * S5P64X0 - GPIOlib support
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11*/
12
13#include <linux/kernel.h>
14#include <linux/irq.h>
15#include <linux/io.h>
16#include <linux/gpio.h>
17
18#include <mach/map.h>
19#include <mach/regs-gpio.h>
20#include <mach/regs-clock.h>
21
22#include <plat/gpio-core.h>
23#include <plat/gpio-cfg.h>
24#include <plat/gpio-cfg-helpers.h>
25
26/*
27 * S5P6440 GPIO bank summary:
28 *
29 * Bank GPIOs Style SlpCon ExtInt Group
30 * A 6 4Bit Yes 1
31 * B 7 4Bit Yes 1
32 * C 8 4Bit Yes 2
33 * F 2 2Bit Yes 4 [1]
34 * G 7 4Bit Yes 5
35 * H 10 4Bit[2] Yes 6
36 * I 16 2Bit Yes None
37 * J 12 2Bit Yes None
38 * N 16 2Bit No IRQ_EINT
39 * P 8 2Bit Yes 8
40 * R 15 4Bit[2] Yes 8
41 *
42 * S5P6450 GPIO bank summary:
43 *
44 * Bank GPIOs Style SlpCon ExtInt Group
45 * A 6 4Bit Yes 1
46 * B 7 4Bit Yes 1
47 * C 8 4Bit Yes 2
48 * D 8 4Bit Yes None
49 * F 2 2Bit Yes None
50 * G 14 4Bit[2] Yes 5
51 * H 10 4Bit[2] Yes 6
52 * I 16 2Bit Yes None
53 * J 12 2Bit Yes None
54 * K 5 4Bit Yes None
55 * N 16 2Bit No IRQ_EINT
56 * P 11 2Bit Yes 8
57 * Q 14 2Bit Yes None
58 * R 15 4Bit[2] Yes None
59 * S 8 2Bit Yes None
60 *
61 * [1] BANKF pins 14,15 do not form part of the external interrupt sources
62 * [2] BANK has two control registers, GPxCON0 and GPxCON1
63 */
64
65static int s5p64x0_gpiolib_rbank_4bit2_input(struct gpio_chip *chip,
66 unsigned int offset)
67{
68 struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
69 void __iomem *base = ourchip->base;
70 void __iomem *regcon = base;
71 unsigned long con;
72 unsigned long flags;
73
74 switch (offset) {
75 case 6:
76 offset += 1;
77 case 0:
78 case 1:
79 case 2:
80 case 3:
81 case 4:
82 case 5:
83 regcon -= 4;
84 break;
85 default:
86 offset -= 7;
87 break;
88 }
89
90 s3c_gpio_lock(ourchip, flags);
91
92 con = __raw_readl(regcon);
93 con &= ~(0xf << con_4bit_shift(offset));
94 __raw_writel(con, regcon);
95
96 s3c_gpio_unlock(ourchip, flags);
97
98 return 0;
99}
100
101static int s5p64x0_gpiolib_rbank_4bit2_output(struct gpio_chip *chip,
102 unsigned int offset, int value)
103{
104 struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
105 void __iomem *base = ourchip->base;
106 void __iomem *regcon = base;
107 unsigned long con;
108 unsigned long dat;
109 unsigned long flags;
110 unsigned con_offset = offset;
111
112 switch (con_offset) {
113 case 6:
114 con_offset += 1;
115 case 0:
116 case 1:
117 case 2:
118 case 3:
119 case 4:
120 case 5:
121 regcon -= 4;
122 break;
123 default:
124 con_offset -= 7;
125 break;
126 }
127
128 s3c_gpio_lock(ourchip, flags);
129
130 con = __raw_readl(regcon);
131 con &= ~(0xf << con_4bit_shift(con_offset));
132 con |= 0x1 << con_4bit_shift(con_offset);
133
134 dat = __raw_readl(base + GPIODAT_OFF);
135 if (value)
136 dat |= 1 << offset;
137 else
138 dat &= ~(1 << offset);
139
140 __raw_writel(con, regcon);
141 __raw_writel(dat, base + GPIODAT_OFF);
142
143 s3c_gpio_unlock(ourchip, flags);
144
145 return 0;
146}
147
148int s5p64x0_gpio_setcfg_4bit_rbank(struct s3c_gpio_chip *chip,
149 unsigned int off, unsigned int cfg)
150{
151 void __iomem *reg = chip->base;
152 unsigned int shift;
153 u32 con;
154
155 switch (off) {
156 case 0:
157 case 1:
158 case 2:
159 case 3:
160 case 4:
161 case 5:
162 shift = (off & 7) * 4;
163 reg -= 4;
164 break;
165 case 6:
166 shift = ((off + 1) & 7) * 4;
167 reg -= 4;
168 default:
169 shift = ((off + 1) & 7) * 4;
170 break;
171 }
172
173 if (s3c_gpio_is_cfg_special(cfg)) {
174 cfg &= 0xf;
175 cfg <<= shift;
176 }
177
178 con = __raw_readl(reg);
179 con &= ~(0xf << shift);
180 con |= cfg;
181 __raw_writel(con, reg);
182
183 return 0;
184}
185
186static struct s3c_gpio_cfg s5p64x0_gpio_cfgs[] = {
187 {
188 .cfg_eint = 0,
189 }, {
190 .cfg_eint = 7,
191 }, {
192 .cfg_eint = 3,
193 .set_config = s5p64x0_gpio_setcfg_4bit_rbank,
194 }, {
195 .cfg_eint = 0,
196 .set_config = s3c_gpio_setcfg_s3c24xx,
197 .get_config = s3c_gpio_getcfg_s3c24xx,
198 }, {
199 .cfg_eint = 2,
200 .set_config = s3c_gpio_setcfg_s3c24xx,
201 .get_config = s3c_gpio_getcfg_s3c24xx,
202 }, {
203 .cfg_eint = 3,
204 .set_config = s3c_gpio_setcfg_s3c24xx,
205 .get_config = s3c_gpio_getcfg_s3c24xx,
206 },
207};
208
209static struct s3c_gpio_chip s5p6440_gpio_4bit[] = {
210 {
211 .base = S5P64X0_GPA_BASE,
212 .config = &s5p64x0_gpio_cfgs[1],
213 .chip = {
214 .base = S5P6440_GPA(0),
215 .ngpio = S5P6440_GPIO_A_NR,
216 .label = "GPA",
217 },
218 }, {
219 .base = S5P64X0_GPB_BASE,
220 .config = &s5p64x0_gpio_cfgs[1],
221 .chip = {
222 .base = S5P6440_GPB(0),
223 .ngpio = S5P6440_GPIO_B_NR,
224 .label = "GPB",
225 },
226 }, {
227 .base = S5P64X0_GPC_BASE,
228 .config = &s5p64x0_gpio_cfgs[1],
229 .chip = {
230 .base = S5P6440_GPC(0),
231 .ngpio = S5P6440_GPIO_C_NR,
232 .label = "GPC",
233 },
234 }, {
235 .base = S5P64X0_GPG_BASE,
236 .config = &s5p64x0_gpio_cfgs[1],
237 .chip = {
238 .base = S5P6440_GPG(0),
239 .ngpio = S5P6440_GPIO_G_NR,
240 .label = "GPG",
241 },
242 },
243};
244
245static struct s3c_gpio_chip s5p6440_gpio_4bit2[] = {
246 {
247 .base = S5P64X0_GPH_BASE + 0x4,
248 .config = &s5p64x0_gpio_cfgs[1],
249 .chip = {
250 .base = S5P6440_GPH(0),
251 .ngpio = S5P6440_GPIO_H_NR,
252 .label = "GPH",
253 },
254 },
255};
256
257static struct s3c_gpio_chip s5p6440_gpio_rbank_4bit2[] = {
258 {
259 .base = S5P64X0_GPR_BASE + 0x4,
260 .config = &s5p64x0_gpio_cfgs[2],
261 .chip = {
262 .base = S5P6440_GPR(0),
263 .ngpio = S5P6440_GPIO_R_NR,
264 .label = "GPR",
265 },
266 },
267};
268
269static struct s3c_gpio_chip s5p6440_gpio_2bit[] = {
270 {
271 .base = S5P64X0_GPF_BASE,
272 .config = &s5p64x0_gpio_cfgs[5],
273 .chip = {
274 .base = S5P6440_GPF(0),
275 .ngpio = S5P6440_GPIO_F_NR,
276 .label = "GPF",
277 },
278 }, {
279 .base = S5P64X0_GPI_BASE,
280 .config = &s5p64x0_gpio_cfgs[3],
281 .chip = {
282 .base = S5P6440_GPI(0),
283 .ngpio = S5P6440_GPIO_I_NR,
284 .label = "GPI",
285 },
286 }, {
287 .base = S5P64X0_GPJ_BASE,
288 .config = &s5p64x0_gpio_cfgs[3],
289 .chip = {
290 .base = S5P6440_GPJ(0),
291 .ngpio = S5P6440_GPIO_J_NR,
292 .label = "GPJ",
293 },
294 }, {
295 .base = S5P64X0_GPN_BASE,
296 .config = &s5p64x0_gpio_cfgs[4],
297 .chip = {
298 .base = S5P6440_GPN(0),
299 .ngpio = S5P6440_GPIO_N_NR,
300 .label = "GPN",
301 },
302 }, {
303 .base = S5P64X0_GPP_BASE,
304 .config = &s5p64x0_gpio_cfgs[5],
305 .chip = {
306 .base = S5P6440_GPP(0),
307 .ngpio = S5P6440_GPIO_P_NR,
308 .label = "GPP",
309 },
310 },
311};
312
313static struct s3c_gpio_chip s5p6450_gpio_4bit[] = {
314 {
315 .base = S5P64X0_GPA_BASE,
316 .config = &s5p64x0_gpio_cfgs[1],
317 .chip = {
318 .base = S5P6450_GPA(0),
319 .ngpio = S5P6450_GPIO_A_NR,
320 .label = "GPA",
321 },
322 }, {
323 .base = S5P64X0_GPB_BASE,
324 .config = &s5p64x0_gpio_cfgs[1],
325 .chip = {
326 .base = S5P6450_GPB(0),
327 .ngpio = S5P6450_GPIO_B_NR,
328 .label = "GPB",
329 },
330 }, {
331 .base = S5P64X0_GPC_BASE,
332 .config = &s5p64x0_gpio_cfgs[1],
333 .chip = {
334 .base = S5P6450_GPC(0),
335 .ngpio = S5P6450_GPIO_C_NR,
336 .label = "GPC",
337 },
338 }, {
339 .base = S5P6450_GPD_BASE,
340 .config = &s5p64x0_gpio_cfgs[1],
341 .chip = {
342 .base = S5P6450_GPD(0),
343 .ngpio = S5P6450_GPIO_D_NR,
344 .label = "GPD",
345 },
346 }, {
347 .base = S5P6450_GPK_BASE,
348 .config = &s5p64x0_gpio_cfgs[1],
349 .chip = {
350 .base = S5P6450_GPK(0),
351 .ngpio = S5P6450_GPIO_K_NR,
352 .label = "GPK",
353 },
354 },
355};
356
357static struct s3c_gpio_chip s5p6450_gpio_4bit2[] = {
358 {
359 .base = S5P64X0_GPG_BASE + 0x4,
360 .config = &s5p64x0_gpio_cfgs[1],
361 .chip = {
362 .base = S5P6450_GPG(0),
363 .ngpio = S5P6450_GPIO_G_NR,
364 .label = "GPG",
365 },
366 }, {
367 .base = S5P64X0_GPH_BASE + 0x4,
368 .config = &s5p64x0_gpio_cfgs[1],
369 .chip = {
370 .base = S5P6450_GPH(0),
371 .ngpio = S5P6450_GPIO_H_NR,
372 .label = "GPH",
373 },
374 },
375};
376
377static struct s3c_gpio_chip s5p6450_gpio_rbank_4bit2[] = {
378 {
379 .base = S5P64X0_GPR_BASE + 0x4,
380 .config = &s5p64x0_gpio_cfgs[2],
381 .chip = {
382 .base = S5P6450_GPR(0),
383 .ngpio = S5P6450_GPIO_R_NR,
384 .label = "GPR",
385 },
386 },
387};
388
389static struct s3c_gpio_chip s5p6450_gpio_2bit[] = {
390 {
391 .base = S5P64X0_GPF_BASE,
392 .config = &s5p64x0_gpio_cfgs[5],
393 .chip = {
394 .base = S5P6450_GPF(0),
395 .ngpio = S5P6450_GPIO_F_NR,
396 .label = "GPF",
397 },
398 }, {
399 .base = S5P64X0_GPI_BASE,
400 .config = &s5p64x0_gpio_cfgs[3],
401 .chip = {
402 .base = S5P6450_GPI(0),
403 .ngpio = S5P6450_GPIO_I_NR,
404 .label = "GPI",
405 },
406 }, {
407 .base = S5P64X0_GPJ_BASE,
408 .config = &s5p64x0_gpio_cfgs[3],
409 .chip = {
410 .base = S5P6450_GPJ(0),
411 .ngpio = S5P6450_GPIO_J_NR,
412 .label = "GPJ",
413 },
414 }, {
415 .base = S5P64X0_GPN_BASE,
416 .config = &s5p64x0_gpio_cfgs[4],
417 .chip = {
418 .base = S5P6450_GPN(0),
419 .ngpio = S5P6450_GPIO_N_NR,
420 .label = "GPN",
421 },
422 }, {
423 .base = S5P64X0_GPP_BASE,
424 .config = &s5p64x0_gpio_cfgs[5],
425 .chip = {
426 .base = S5P6450_GPP(0),
427 .ngpio = S5P6450_GPIO_P_NR,
428 .label = "GPP",
429 },
430 }, {
431 .base = S5P6450_GPQ_BASE,
432 .config = &s5p64x0_gpio_cfgs[4],
433 .chip = {
434 .base = S5P6450_GPQ(0),
435 .ngpio = S5P6450_GPIO_Q_NR,
436 .label = "GPQ",
437 },
438 }, {
439 .base = S5P6450_GPS_BASE,
440 .config = &s5p64x0_gpio_cfgs[5],
441 .chip = {
442 .base = S5P6450_GPS(0),
443 .ngpio = S5P6450_GPIO_S_NR,
444 .label = "GPS",
445 },
446 },
447};
448
449void __init s5p64x0_gpiolib_set_cfg(struct s3c_gpio_cfg *chipcfg, int nr_chips)
450{
451 for (; nr_chips > 0; nr_chips--, chipcfg++) {
452 if (!chipcfg->set_config)
453 chipcfg->set_config = s3c_gpio_setcfg_s3c64xx_4bit;
454 if (!chipcfg->get_config)
455 chipcfg->get_config = s3c_gpio_getcfg_s3c64xx_4bit;
456 if (!chipcfg->set_pull)
457 chipcfg->set_pull = s3c_gpio_setpull_updown;
458 if (!chipcfg->get_pull)
459 chipcfg->get_pull = s3c_gpio_getpull_updown;
460 }
461}
462
463static void __init s5p64x0_gpio_add_rbank_4bit2(struct s3c_gpio_chip *chip,
464 int nr_chips)
465{
466 for (; nr_chips > 0; nr_chips--, chip++) {
467 chip->chip.direction_input = s5p64x0_gpiolib_rbank_4bit2_input;
468 chip->chip.direction_output =
469 s5p64x0_gpiolib_rbank_4bit2_output;
470 s3c_gpiolib_add(chip);
471 }
472}
473
474static int __init s5p64x0_gpiolib_init(void)
475{
476 unsigned int chipid;
477
478 chipid = __raw_readl(S5P64X0_SYS_ID);
479
480 s5p64x0_gpiolib_set_cfg(s5p64x0_gpio_cfgs,
481 ARRAY_SIZE(s5p64x0_gpio_cfgs));
482
483 if ((chipid & 0xff000) == 0x50000) {
484 samsung_gpiolib_add_2bit_chips(s5p6450_gpio_2bit,
485 ARRAY_SIZE(s5p6450_gpio_2bit));
486
487 samsung_gpiolib_add_4bit_chips(s5p6450_gpio_4bit,
488 ARRAY_SIZE(s5p6450_gpio_4bit));
489
490 samsung_gpiolib_add_4bit2_chips(s5p6450_gpio_4bit2,
491 ARRAY_SIZE(s5p6450_gpio_4bit2));
492
493 s5p64x0_gpio_add_rbank_4bit2(s5p6450_gpio_rbank_4bit2,
494 ARRAY_SIZE(s5p6450_gpio_rbank_4bit2));
495 } else {
496 samsung_gpiolib_add_2bit_chips(s5p6440_gpio_2bit,
497 ARRAY_SIZE(s5p6440_gpio_2bit));
498
499 samsung_gpiolib_add_4bit_chips(s5p6440_gpio_4bit,
500 ARRAY_SIZE(s5p6440_gpio_4bit));
501
502 samsung_gpiolib_add_4bit2_chips(s5p6440_gpio_4bit2,
503 ARRAY_SIZE(s5p6440_gpio_4bit2));
504
505 s5p64x0_gpio_add_rbank_4bit2(s5p6440_gpio_rbank_4bit2,
506 ARRAY_SIZE(s5p6440_gpio_rbank_4bit2));
507 }
508
509 return 0;
510}
511core_initcall(s5p64x0_gpiolib_init);
diff --git a/arch/arm/mach-s5pv210/include/mach/pm-core.h b/arch/arm/mach-s5pv210/include/mach/pm-core.h
index 3e22109e1b7b..eba8aea63ed8 100644
--- a/arch/arm/mach-s5pv210/include/mach/pm-core.h
+++ b/arch/arm/mach-s5pv210/include/mach/pm-core.h
@@ -43,4 +43,4 @@ static inline void s3c_pm_arch_update_uart(void __iomem *regs,
43} 43}
44 44
45static inline void s3c_pm_restored_gpios(void) { } 45static inline void s3c_pm_restored_gpios(void) { }
46static inline void s3c_pm_saved_gpios(void) { } 46static inline void samsung_pm_saved_gpios(void) { }
diff --git a/arch/arm/plat-s3c24xx/Kconfig b/arch/arm/plat-s3c24xx/Kconfig
index 8c5b3029b39f..d8973ac46bc4 100644
--- a/arch/arm/plat-s3c24xx/Kconfig
+++ b/arch/arm/plat-s3c24xx/Kconfig
@@ -9,7 +9,6 @@ config PLAT_S3C24XX
9 select NO_IOPORT 9 select NO_IOPORT
10 select ARCH_REQUIRE_GPIOLIB 10 select ARCH_REQUIRE_GPIOLIB
11 select S3C_DEV_NAND 11 select S3C_DEV_NAND
12 select S3C_GPIO_CFG_S3C24XX
13 help 12 help
14 Base platform code for any Samsung S3C24XX device 13 Base platform code for any Samsung S3C24XX device
15 14
diff --git a/arch/arm/plat-s3c24xx/Makefile b/arch/arm/plat-s3c24xx/Makefile
index 0291bd6e236e..e4f46495ed30 100644
--- a/arch/arm/plat-s3c24xx/Makefile
+++ b/arch/arm/plat-s3c24xx/Makefile
@@ -15,8 +15,6 @@ obj- :=
15obj-y += cpu.o 15obj-y += cpu.o
16obj-y += irq.o 16obj-y += irq.o
17obj-y += devs.o 17obj-y += devs.o
18obj-y += gpio.o
19obj-y += gpiolib.o
20obj-y += clock.o 18obj-y += clock.o
21obj-$(CONFIG_S3C24XX_DCLK) += clock-dclk.o 19obj-$(CONFIG_S3C24XX_DCLK) += clock-dclk.o
22 20
diff --git a/arch/arm/plat-s3c24xx/gpio.c b/arch/arm/plat-s3c24xx/gpio.c
deleted file mode 100644
index 2f3d7c089dfa..000000000000
--- a/arch/arm/plat-s3c24xx/gpio.c
+++ /dev/null
@@ -1,96 +0,0 @@
1/* linux/arch/arm/plat-s3c24xx/gpio.c
2 *
3 * Copyright (c) 2004-2010 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 *
6 * S3C24XX GPIO support
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21*/
22
23#include <linux/kernel.h>
24#include <linux/init.h>
25#include <linux/module.h>
26#include <linux/interrupt.h>
27#include <linux/ioport.h>
28#include <linux/gpio.h>
29#include <linux/io.h>
30
31#include <mach/hardware.h>
32#include <mach/gpio-fns.h>
33#include <asm/irq.h>
34
35#include <mach/regs-gpio.h>
36
37#include <plat/gpio-core.h>
38
39/* gpiolib wrappers until these are totally eliminated */
40
41void s3c2410_gpio_pullup(unsigned int pin, unsigned int to)
42{
43 int ret;
44
45 WARN_ON(to); /* should be none of these left */
46
47 if (!to) {
48 /* if pull is enabled, try first with up, and if that
49 * fails, try using down */
50
51 ret = s3c_gpio_setpull(pin, S3C_GPIO_PULL_UP);
52 if (ret)
53 s3c_gpio_setpull(pin, S3C_GPIO_PULL_DOWN);
54 } else {
55 s3c_gpio_setpull(pin, S3C_GPIO_PULL_NONE);
56 }
57}
58EXPORT_SYMBOL(s3c2410_gpio_pullup);
59
60void s3c2410_gpio_setpin(unsigned int pin, unsigned int to)
61{
62 /* do this via gpiolib until all users removed */
63
64 gpio_request(pin, "temporary");
65 gpio_set_value(pin, to);
66 gpio_free(pin);
67}
68
69EXPORT_SYMBOL(s3c2410_gpio_setpin);
70
71unsigned int s3c2410_gpio_getpin(unsigned int pin)
72{
73 struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
74 unsigned long offs = pin - chip->chip.base;
75
76 return __raw_readl(chip->base + 0x04) & (1<< offs);
77}
78
79EXPORT_SYMBOL(s3c2410_gpio_getpin);
80
81unsigned int s3c2410_modify_misccr(unsigned int clear, unsigned int change)
82{
83 unsigned long flags;
84 unsigned long misccr;
85
86 local_irq_save(flags);
87 misccr = __raw_readl(S3C24XX_MISCCR);
88 misccr &= ~clear;
89 misccr ^= change;
90 __raw_writel(misccr, S3C24XX_MISCCR);
91 local_irq_restore(flags);
92
93 return misccr;
94}
95
96EXPORT_SYMBOL(s3c2410_modify_misccr);
diff --git a/arch/arm/plat-s3c24xx/gpiolib.c b/arch/arm/plat-s3c24xx/gpiolib.c
deleted file mode 100644
index 243b6411050d..000000000000
--- a/arch/arm/plat-s3c24xx/gpiolib.c
+++ /dev/null
@@ -1,229 +0,0 @@
1/* linux/arch/arm/plat-s3c24xx/gpiolib.c
2 *
3 * Copyright (c) 2008-2010 Simtec Electronics
4 * http://armlinux.simtec.co.uk/
5 * Ben Dooks <ben@simtec.co.uk>
6 *
7 * S3C24XX GPIOlib support
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License.
12*/
13
14#include <linux/kernel.h>
15#include <linux/init.h>
16#include <linux/module.h>
17#include <linux/interrupt.h>
18#include <linux/sysdev.h>
19#include <linux/ioport.h>
20#include <linux/io.h>
21#include <linux/gpio.h>
22
23#include <plat/gpio-core.h>
24#include <plat/gpio-cfg.h>
25#include <plat/gpio-cfg-helpers.h>
26#include <mach/hardware.h>
27#include <asm/irq.h>
28#include <plat/pm.h>
29
30#include <mach/regs-gpio.h>
31
32static int s3c24xx_gpiolib_banka_input(struct gpio_chip *chip, unsigned offset)
33{
34 return -EINVAL;
35}
36
37static int s3c24xx_gpiolib_banka_output(struct gpio_chip *chip,
38 unsigned offset, int value)
39{
40 struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
41 void __iomem *base = ourchip->base;
42 unsigned long flags;
43 unsigned long dat;
44 unsigned long con;
45
46 local_irq_save(flags);
47
48 con = __raw_readl(base + 0x00);
49 dat = __raw_readl(base + 0x04);
50
51 dat &= ~(1 << offset);
52 if (value)
53 dat |= 1 << offset;
54
55 __raw_writel(dat, base + 0x04);
56
57 con &= ~(1 << offset);
58
59 __raw_writel(con, base + 0x00);
60 __raw_writel(dat, base + 0x04);
61
62 local_irq_restore(flags);
63 return 0;
64}
65
66static int s3c24xx_gpiolib_bankf_toirq(struct gpio_chip *chip, unsigned offset)
67{
68 if (offset < 4)
69 return IRQ_EINT0 + offset;
70
71 if (offset < 8)
72 return IRQ_EINT4 + offset - 4;
73
74 return -EINVAL;
75}
76
77static struct s3c_gpio_cfg s3c24xx_gpiocfg_banka = {
78 .set_config = s3c_gpio_setcfg_s3c24xx_a,
79 .get_config = s3c_gpio_getcfg_s3c24xx_a,
80};
81
82struct s3c_gpio_cfg s3c24xx_gpiocfg_default = {
83 .set_config = s3c_gpio_setcfg_s3c24xx,
84 .get_config = s3c_gpio_getcfg_s3c24xx,
85};
86
87struct s3c_gpio_chip s3c24xx_gpios[] = {
88 [0] = {
89 .base = S3C2410_GPACON,
90 .pm = __gpio_pm(&s3c_gpio_pm_1bit),
91 .config = &s3c24xx_gpiocfg_banka,
92 .chip = {
93 .base = S3C2410_GPA(0),
94 .owner = THIS_MODULE,
95 .label = "GPIOA",
96 .ngpio = 24,
97 .direction_input = s3c24xx_gpiolib_banka_input,
98 .direction_output = s3c24xx_gpiolib_banka_output,
99 },
100 },
101 [1] = {
102 .base = S3C2410_GPBCON,
103 .pm = __gpio_pm(&s3c_gpio_pm_2bit),
104 .chip = {
105 .base = S3C2410_GPB(0),
106 .owner = THIS_MODULE,
107 .label = "GPIOB",
108 .ngpio = 16,
109 },
110 },
111 [2] = {
112 .base = S3C2410_GPCCON,
113 .pm = __gpio_pm(&s3c_gpio_pm_2bit),
114 .chip = {
115 .base = S3C2410_GPC(0),
116 .owner = THIS_MODULE,
117 .label = "GPIOC",
118 .ngpio = 16,
119 },
120 },
121 [3] = {
122 .base = S3C2410_GPDCON,
123 .pm = __gpio_pm(&s3c_gpio_pm_2bit),
124 .chip = {
125 .base = S3C2410_GPD(0),
126 .owner = THIS_MODULE,
127 .label = "GPIOD",
128 .ngpio = 16,
129 },
130 },
131 [4] = {
132 .base = S3C2410_GPECON,
133 .pm = __gpio_pm(&s3c_gpio_pm_2bit),
134 .chip = {
135 .base = S3C2410_GPE(0),
136 .label = "GPIOE",
137 .owner = THIS_MODULE,
138 .ngpio = 16,
139 },
140 },
141 [5] = {
142 .base = S3C2410_GPFCON,
143 .pm = __gpio_pm(&s3c_gpio_pm_2bit),
144 .chip = {
145 .base = S3C2410_GPF(0),
146 .owner = THIS_MODULE,
147 .label = "GPIOF",
148 .ngpio = 8,
149 .to_irq = s3c24xx_gpiolib_bankf_toirq,
150 },
151 },
152 [6] = {
153 .base = S3C2410_GPGCON,
154 .pm = __gpio_pm(&s3c_gpio_pm_2bit),
155 .irq_base = IRQ_EINT8,
156 .chip = {
157 .base = S3C2410_GPG(0),
158 .owner = THIS_MODULE,
159 .label = "GPIOG",
160 .ngpio = 16,
161 .to_irq = samsung_gpiolib_to_irq,
162 },
163 }, {
164 .base = S3C2410_GPHCON,
165 .pm = __gpio_pm(&s3c_gpio_pm_2bit),
166 .chip = {
167 .base = S3C2410_GPH(0),
168 .owner = THIS_MODULE,
169 .label = "GPIOH",
170 .ngpio = 11,
171 },
172 },
173 /* GPIOS for the S3C2443 and later devices. */
174 {
175 .base = S3C2440_GPJCON,
176 .pm = __gpio_pm(&s3c_gpio_pm_2bit),
177 .chip = {
178 .base = S3C2410_GPJ(0),
179 .owner = THIS_MODULE,
180 .label = "GPIOJ",
181 .ngpio = 16,
182 },
183 }, {
184 .base = S3C2443_GPKCON,
185 .pm = __gpio_pm(&s3c_gpio_pm_2bit),
186 .chip = {
187 .base = S3C2410_GPK(0),
188 .owner = THIS_MODULE,
189 .label = "GPIOK",
190 .ngpio = 16,
191 },
192 }, {
193 .base = S3C2443_GPLCON,
194 .pm = __gpio_pm(&s3c_gpio_pm_2bit),
195 .chip = {
196 .base = S3C2410_GPL(0),
197 .owner = THIS_MODULE,
198 .label = "GPIOL",
199 .ngpio = 15,
200 },
201 }, {
202 .base = S3C2443_GPMCON,
203 .pm = __gpio_pm(&s3c_gpio_pm_2bit),
204 .chip = {
205 .base = S3C2410_GPM(0),
206 .owner = THIS_MODULE,
207 .label = "GPIOM",
208 .ngpio = 2,
209 },
210 },
211};
212
213
214static __init int s3c24xx_gpiolib_init(void)
215{
216 struct s3c_gpio_chip *chip = s3c24xx_gpios;
217 int gpn;
218
219 for (gpn = 0; gpn < ARRAY_SIZE(s3c24xx_gpios); gpn++, chip++) {
220 if (!chip->config)
221 chip->config = &s3c24xx_gpiocfg_default;
222
223 s3c_gpiolib_add(chip);
224 }
225
226 return 0;
227}
228
229core_initcall(s3c24xx_gpiolib_init);
diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig
index 9843c954c042..ac610bee2cb3 100644
--- a/arch/arm/plat-s5p/Kconfig
+++ b/arch/arm/plat-s5p/Kconfig
@@ -16,9 +16,6 @@ config PLAT_S5P
16 select S3C_GPIO_TRACK 16 select S3C_GPIO_TRACK
17 select S5P_GPIO_DRVSTR 17 select S5P_GPIO_DRVSTR
18 select SAMSUNG_GPIOLIB_4BIT 18 select SAMSUNG_GPIOLIB_4BIT
19 select S3C_GPIO_CFG_S3C64XX
20 select S3C_GPIO_PULL_UPDOWN
21 select S3C_GPIO_CFG_S3C24XX
22 select PLAT_SAMSUNG 19 select PLAT_SAMSUNG
23 select SAMSUNG_CLKSRC 20 select SAMSUNG_CLKSRC
24 select SAMSUNG_IRQ_VIC_TIMER 21 select SAMSUNG_IRQ_VIC_TIMER
diff --git a/arch/arm/plat-s5p/irq-gpioint.c b/arch/arm/plat-s5p/irq-gpioint.c
index f88216d23991..a566523d34ec 100644
--- a/arch/arm/plat-s5p/irq-gpioint.c
+++ b/arch/arm/plat-s5p/irq-gpioint.c
@@ -37,7 +37,7 @@ struct s5p_gpioint_bank {
37 int start; 37 int start;
38 int nr_groups; 38 int nr_groups;
39 int irq; 39 int irq;
40 struct s3c_gpio_chip **chips; 40 struct samsung_gpio_chip **chips;
41 void (*handler)(unsigned int, struct irq_desc *); 41 void (*handler)(unsigned int, struct irq_desc *);
42}; 42};
43 43
@@ -87,7 +87,7 @@ static void s5p_gpioint_handler(unsigned int irq, struct irq_desc *desc)
87 chained_irq_enter(chip, desc); 87 chained_irq_enter(chip, desc);
88 88
89 for (group = 0; group < bank->nr_groups; group++) { 89 for (group = 0; group < bank->nr_groups; group++) {
90 struct s3c_gpio_chip *chip = bank->chips[group]; 90 struct samsung_gpio_chip *chip = bank->chips[group];
91 if (!chip) 91 if (!chip)
92 continue; 92 continue;
93 93
@@ -110,7 +110,7 @@ static void s5p_gpioint_handler(unsigned int irq, struct irq_desc *desc)
110 chained_irq_exit(chip, desc); 110 chained_irq_exit(chip, desc);
111} 111}
112 112
113static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip) 113static __init int s5p_gpioint_add(struct samsung_gpio_chip *chip)
114{ 114{
115 static int used_gpioint_groups = 0; 115 static int used_gpioint_groups = 0;
116 int group = chip->group; 116 int group = chip->group;
@@ -131,7 +131,7 @@ static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip)
131 return -EINVAL; 131 return -EINVAL;
132 132
133 if (!bank->handler) { 133 if (!bank->handler) {
134 bank->chips = kzalloc(sizeof(struct s3c_gpio_chip *) * 134 bank->chips = kzalloc(sizeof(struct samsung_gpio_chip *) *
135 bank->nr_groups, GFP_KERNEL); 135 bank->nr_groups, GFP_KERNEL);
136 if (!bank->chips) 136 if (!bank->chips)
137 return -ENOMEM; 137 return -ENOMEM;
@@ -174,7 +174,7 @@ static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip)
174 174
175int __init s5p_register_gpio_interrupt(int pin) 175int __init s5p_register_gpio_interrupt(int pin)
176{ 176{
177 struct s3c_gpio_chip *my_chip = s3c_gpiolib_getchip(pin); 177 struct samsung_gpio_chip *my_chip = samsung_gpiolib_getchip(pin);
178 int offset, group; 178 int offset, group;
179 int ret; 179 int ret;
180 180
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index 0a3eec616d61..74714c155e14 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -79,39 +79,12 @@ config SAMSUNG_GPIOLIB_4BIT
79 configuration. GPIOlib shall be compiled only for S3C64XX and S5P 79 configuration. GPIOlib shall be compiled only for S3C64XX and S5P
80 series of processors. 80 series of processors.
81 81
82config S3C_GPIO_CFG_S3C24XX
83 bool
84 help
85 Internal configuration to enable S3C24XX style GPIO configuration
86 functions.
87
88config S3C_GPIO_CFG_S3C64XX 82config S3C_GPIO_CFG_S3C64XX
89 bool 83 bool
90 help 84 help
91 Internal configuration to enable S3C64XX style GPIO configuration 85 Internal configuration to enable S3C64XX style GPIO configuration
92 functions. 86 functions.
93 87
94config S3C_GPIO_PULL_UPDOWN
95 bool
96 help
97 Internal configuration to enable the correct GPIO pull helper
98
99config S3C_GPIO_PULL_S3C2443
100 bool
101 select S3C_GPIO_PULL_UPDOWN
102 help
103 Internal configuration to enable the correct GPIO pull helper for S3C2443-style GPIO
104
105config S3C_GPIO_PULL_DOWN
106 bool
107 help
108 Internal configuration to enable the correct GPIO pull helper
109
110config S3C_GPIO_PULL_UP
111 bool
112 help
113 Internal configuration to enable the correct GPIO pull helper
114
115config S5P_GPIO_DRVSTR 88config S5P_GPIO_DRVSTR
116 bool 89 bool
117 help 90 help
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index 90758494cad8..5ed2b2be0c7e 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -15,8 +15,6 @@ obj-y += init.o
15obj-$(CONFIG_ARCH_USES_GETTIMEOFFSET) += time.o 15obj-$(CONFIG_ARCH_USES_GETTIMEOFFSET) += time.o
16obj-y += clock.o 16obj-y += clock.o
17obj-y += pwm-clock.o 17obj-y += pwm-clock.o
18obj-y += gpio.o
19obj-y += gpio-config.o
20obj-y += dev-asocdma.o 18obj-y += dev-asocdma.o
21 19
22obj-$(CONFIG_SAMSUNG_CLKSRC) += clock-clksrc.o 20obj-$(CONFIG_SAMSUNG_CLKSRC) += clock-clksrc.o
diff --git a/arch/arm/plat-samsung/gpio-config.c b/arch/arm/plat-samsung/gpio-config.c
deleted file mode 100644
index 1c0b0401594b..000000000000
--- a/arch/arm/plat-samsung/gpio-config.c
+++ /dev/null
@@ -1,431 +0,0 @@
1/* linux/arch/arm/plat-s3c/gpio-config.c
2 *
3 * Copyright 2008 Openmoko, Inc.
4 * Copyright 2008-2010 Simtec Electronics
5 * Ben Dooks <ben@simtec.co.uk>
6 * http://armlinux.simtec.co.uk/
7 *
8 * S3C series GPIO configuration core
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13*/
14
15#include <linux/kernel.h>
16#include <linux/module.h>
17#include <linux/gpio.h>
18#include <linux/io.h>
19
20#include <plat/gpio-core.h>
21#include <plat/gpio-cfg.h>
22#include <plat/gpio-cfg-helpers.h>
23
24int s3c_gpio_cfgpin(unsigned int pin, unsigned int config)
25{
26 struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
27 unsigned long flags;
28 int offset;
29 int ret;
30
31 if (!chip)
32 return -EINVAL;
33
34 offset = pin - chip->chip.base;
35
36 s3c_gpio_lock(chip, flags);
37 ret = s3c_gpio_do_setcfg(chip, offset, config);
38 s3c_gpio_unlock(chip, flags);
39
40 return ret;
41}
42EXPORT_SYMBOL(s3c_gpio_cfgpin);
43
44int s3c_gpio_cfgpin_range(unsigned int start, unsigned int nr,
45 unsigned int cfg)
46{
47 int ret;
48
49 for (; nr > 0; nr--, start++) {
50 ret = s3c_gpio_cfgpin(start, cfg);
51 if (ret != 0)
52 return ret;
53 }
54
55 return 0;
56}
57EXPORT_SYMBOL_GPL(s3c_gpio_cfgpin_range);
58
59int s3c_gpio_cfgall_range(unsigned int start, unsigned int nr,
60 unsigned int cfg, s3c_gpio_pull_t pull)
61{
62 int ret;
63
64 for (; nr > 0; nr--, start++) {
65 s3c_gpio_setpull(start, pull);
66 ret = s3c_gpio_cfgpin(start, cfg);
67 if (ret != 0)
68 return ret;
69 }
70
71 return 0;
72}
73EXPORT_SYMBOL_GPL(s3c_gpio_cfgall_range);
74
75unsigned s3c_gpio_getcfg(unsigned int pin)
76{
77 struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
78 unsigned long flags;
79 unsigned ret = 0;
80 int offset;
81
82 if (chip) {
83 offset = pin - chip->chip.base;
84
85 s3c_gpio_lock(chip, flags);
86 ret = s3c_gpio_do_getcfg(chip, offset);
87 s3c_gpio_unlock(chip, flags);
88 }
89
90 return ret;
91}
92EXPORT_SYMBOL(s3c_gpio_getcfg);
93
94
95int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull)
96{
97 struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
98 unsigned long flags;
99 int offset, ret;
100
101 if (!chip)
102 return -EINVAL;
103
104 offset = pin - chip->chip.base;
105
106 s3c_gpio_lock(chip, flags);
107 ret = s3c_gpio_do_setpull(chip, offset, pull);
108 s3c_gpio_unlock(chip, flags);
109
110 return ret;
111}
112EXPORT_SYMBOL(s3c_gpio_setpull);
113
114s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin)
115{
116 struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
117 unsigned long flags;
118 int offset;
119 u32 pup = 0;
120
121 if (chip) {
122 offset = pin - chip->chip.base;
123
124 s3c_gpio_lock(chip, flags);
125 pup = s3c_gpio_do_getpull(chip, offset);
126 s3c_gpio_unlock(chip, flags);
127 }
128
129 return (__force s3c_gpio_pull_t)pup;
130}
131EXPORT_SYMBOL(s3c_gpio_getpull);
132
133#ifdef CONFIG_S3C_GPIO_CFG_S3C24XX
134int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip,
135 unsigned int off, unsigned int cfg)
136{
137 void __iomem *reg = chip->base;
138 unsigned int shift = off;
139 u32 con;
140
141 if (s3c_gpio_is_cfg_special(cfg)) {
142 cfg &= 0xf;
143
144 /* Map output to 0, and SFN2 to 1 */
145 cfg -= 1;
146 if (cfg > 1)
147 return -EINVAL;
148
149 cfg <<= shift;
150 }
151
152 con = __raw_readl(reg);
153 con &= ~(0x1 << shift);
154 con |= cfg;
155 __raw_writel(con, reg);
156
157 return 0;
158}
159
160unsigned s3c_gpio_getcfg_s3c24xx_a(struct s3c_gpio_chip *chip,
161 unsigned int off)
162{
163 u32 con;
164
165 con = __raw_readl(chip->base);
166 con >>= off;
167 con &= 1;
168 con++;
169
170 return S3C_GPIO_SFN(con);
171}
172
173int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip,
174 unsigned int off, unsigned int cfg)
175{
176 void __iomem *reg = chip->base;
177 unsigned int shift = off * 2;
178 u32 con;
179
180 if (s3c_gpio_is_cfg_special(cfg)) {
181 cfg &= 0xf;
182 if (cfg > 3)
183 return -EINVAL;
184
185 cfg <<= shift;
186 }
187
188 con = __raw_readl(reg);
189 con &= ~(0x3 << shift);
190 con |= cfg;
191 __raw_writel(con, reg);
192
193 return 0;
194}
195
196unsigned int s3c_gpio_getcfg_s3c24xx(struct s3c_gpio_chip *chip,
197 unsigned int off)
198{
199 u32 con;
200
201 con = __raw_readl(chip->base);
202 con >>= off * 2;
203 con &= 3;
204
205 /* this conversion works for IN and OUT as well as special mode */
206 return S3C_GPIO_SPECIAL(con);
207}
208#endif
209
210#ifdef CONFIG_S3C_GPIO_CFG_S3C64XX
211int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
212 unsigned int off, unsigned int cfg)
213{
214 void __iomem *reg = chip->base;
215 unsigned int shift = (off & 7) * 4;
216 u32 con;
217
218 if (off < 8 && chip->chip.ngpio > 8)
219 reg -= 4;
220
221 if (s3c_gpio_is_cfg_special(cfg)) {
222 cfg &= 0xf;
223 cfg <<= shift;
224 }
225
226 con = __raw_readl(reg);
227 con &= ~(0xf << shift);
228 con |= cfg;
229 __raw_writel(con, reg);
230
231 return 0;
232}
233
234unsigned s3c_gpio_getcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
235 unsigned int off)
236{
237 void __iomem *reg = chip->base;
238 unsigned int shift = (off & 7) * 4;
239 u32 con;
240
241 if (off < 8 && chip->chip.ngpio > 8)
242 reg -= 4;
243
244 con = __raw_readl(reg);
245 con >>= shift;
246 con &= 0xf;
247
248 /* this conversion works for IN and OUT as well as special mode */
249 return S3C_GPIO_SPECIAL(con);
250}
251
252#endif /* CONFIG_S3C_GPIO_CFG_S3C64XX */
253
254#ifdef CONFIG_S3C_GPIO_PULL_UPDOWN
255int s3c_gpio_setpull_updown(struct s3c_gpio_chip *chip,
256 unsigned int off, s3c_gpio_pull_t pull)
257{
258 void __iomem *reg = chip->base + 0x08;
259 int shift = off * 2;
260 u32 pup;
261
262 pup = __raw_readl(reg);
263 pup &= ~(3 << shift);
264 pup |= pull << shift;
265 __raw_writel(pup, reg);
266
267 return 0;
268}
269
270s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip,
271 unsigned int off)
272{
273 void __iomem *reg = chip->base + 0x08;
274 int shift = off * 2;
275 u32 pup = __raw_readl(reg);
276
277 pup >>= shift;
278 pup &= 0x3;
279 return (__force s3c_gpio_pull_t)pup;
280}
281
282#ifdef CONFIG_S3C_GPIO_PULL_S3C2443
283int s3c_gpio_setpull_s3c2443(struct s3c_gpio_chip *chip,
284 unsigned int off, s3c_gpio_pull_t pull)
285{
286 switch (pull) {
287 case S3C_GPIO_PULL_NONE:
288 pull = 0x01;
289 break;
290 case S3C_GPIO_PULL_UP:
291 pull = 0x00;
292 break;
293 case S3C_GPIO_PULL_DOWN:
294 pull = 0x02;
295 break;
296 }
297 return s3c_gpio_setpull_updown(chip, off, pull);
298}
299
300s3c_gpio_pull_t s3c_gpio_getpull_s3c2443(struct s3c_gpio_chip *chip,
301 unsigned int off)
302{
303 s3c_gpio_pull_t pull;
304
305 pull = s3c_gpio_getpull_updown(chip, off);
306
307 switch (pull) {
308 case 0x00:
309 pull = S3C_GPIO_PULL_UP;
310 break;
311 case 0x01:
312 case 0x03:
313 pull = S3C_GPIO_PULL_NONE;
314 break;
315 case 0x02:
316 pull = S3C_GPIO_PULL_DOWN;
317 break;
318 }
319
320 return pull;
321}
322#endif
323#endif
324
325#if defined(CONFIG_S3C_GPIO_PULL_UP) || defined(CONFIG_S3C_GPIO_PULL_DOWN)
326static int s3c_gpio_setpull_1(struct s3c_gpio_chip *chip,
327 unsigned int off, s3c_gpio_pull_t pull,
328 s3c_gpio_pull_t updown)
329{
330 void __iomem *reg = chip->base + 0x08;
331 u32 pup = __raw_readl(reg);
332
333 if (pull == updown)
334 pup &= ~(1 << off);
335 else if (pull == S3C_GPIO_PULL_NONE)
336 pup |= (1 << off);
337 else
338 return -EINVAL;
339
340 __raw_writel(pup, reg);
341 return 0;
342}
343
344static s3c_gpio_pull_t s3c_gpio_getpull_1(struct s3c_gpio_chip *chip,
345 unsigned int off, s3c_gpio_pull_t updown)
346{
347 void __iomem *reg = chip->base + 0x08;
348 u32 pup = __raw_readl(reg);
349
350 pup &= (1 << off);
351 return pup ? S3C_GPIO_PULL_NONE : updown;
352}
353#endif /* CONFIG_S3C_GPIO_PULL_UP || CONFIG_S3C_GPIO_PULL_DOWN */
354
355#ifdef CONFIG_S3C_GPIO_PULL_UP
356s3c_gpio_pull_t s3c_gpio_getpull_1up(struct s3c_gpio_chip *chip,
357 unsigned int off)
358{
359 return s3c_gpio_getpull_1(chip, off, S3C_GPIO_PULL_UP);
360}
361
362int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip,
363 unsigned int off, s3c_gpio_pull_t pull)
364{
365 return s3c_gpio_setpull_1(chip, off, pull, S3C_GPIO_PULL_UP);
366}
367#endif /* CONFIG_S3C_GPIO_PULL_UP */
368
369#ifdef CONFIG_S3C_GPIO_PULL_DOWN
370s3c_gpio_pull_t s3c_gpio_getpull_1down(struct s3c_gpio_chip *chip,
371 unsigned int off)
372{
373 return s3c_gpio_getpull_1(chip, off, S3C_GPIO_PULL_DOWN);
374}
375
376int s3c_gpio_setpull_1down(struct s3c_gpio_chip *chip,
377 unsigned int off, s3c_gpio_pull_t pull)
378{
379 return s3c_gpio_setpull_1(chip, off, pull, S3C_GPIO_PULL_DOWN);
380}
381#endif /* CONFIG_S3C_GPIO_PULL_DOWN */
382
383#ifdef CONFIG_S5P_GPIO_DRVSTR
384s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin)
385{
386 struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
387 unsigned int off;
388 void __iomem *reg;
389 int shift;
390 u32 drvstr;
391
392 if (!chip)
393 return -EINVAL;
394
395 off = pin - chip->chip.base;
396 shift = off * 2;
397 reg = chip->base + 0x0C;
398
399 drvstr = __raw_readl(reg);
400 drvstr = drvstr >> shift;
401 drvstr &= 0x3;
402
403 return (__force s5p_gpio_drvstr_t)drvstr;
404}
405EXPORT_SYMBOL(s5p_gpio_get_drvstr);
406
407int s5p_gpio_set_drvstr(unsigned int pin, s5p_gpio_drvstr_t drvstr)
408{
409 struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
410 unsigned int off;
411 void __iomem *reg;
412 int shift;
413 u32 tmp;
414
415 if (!chip)
416 return -EINVAL;
417
418 off = pin - chip->chip.base;
419 shift = off * 2;
420 reg = chip->base + 0x0C;
421
422 tmp = __raw_readl(reg);
423 tmp &= ~(0x3 << shift);
424 tmp |= drvstr << shift;
425
426 __raw_writel(tmp, reg);
427
428 return 0;
429}
430EXPORT_SYMBOL(s5p_gpio_set_drvstr);
431#endif /* CONFIG_S5P_GPIO_DRVSTR */
diff --git a/arch/arm/plat-samsung/gpio.c b/arch/arm/plat-samsung/gpio.c
deleted file mode 100644
index 7743c4b8b2fb..000000000000
--- a/arch/arm/plat-samsung/gpio.c
+++ /dev/null
@@ -1,167 +0,0 @@
1/* linux/arch/arm/plat-s3c/gpio.c
2 *
3 * Copyright 2008 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 * http://armlinux.simtec.co.uk/
6 *
7 * S3C series GPIO core
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12*/
13
14#include <linux/kernel.h>
15#include <linux/init.h>
16#include <linux/io.h>
17#include <linux/gpio.h>
18#include <linux/spinlock.h>
19
20#include <plat/gpio-core.h>
21
22#ifdef CONFIG_S3C_GPIO_TRACK
23struct s3c_gpio_chip *s3c_gpios[S3C_GPIO_END];
24
25static __init void s3c_gpiolib_track(struct s3c_gpio_chip *chip)
26{
27 unsigned int gpn;
28 int i;
29
30 gpn = chip->chip.base;
31 for (i = 0; i < chip->chip.ngpio; i++, gpn++) {
32 BUG_ON(gpn >= ARRAY_SIZE(s3c_gpios));
33 s3c_gpios[gpn] = chip;
34 }
35}
36#endif /* CONFIG_S3C_GPIO_TRACK */
37
38/* Default routines for controlling GPIO, based on the original S3C24XX
39 * GPIO functions which deal with the case where each gpio bank of the
40 * chip is as following:
41 *
42 * base + 0x00: Control register, 2 bits per gpio
43 * gpio n: 2 bits starting at (2*n)
44 * 00 = input, 01 = output, others mean special-function
45 * base + 0x04: Data register, 1 bit per gpio
46 * bit n: data bit n
47*/
48
49static int s3c_gpiolib_input(struct gpio_chip *chip, unsigned offset)
50{
51 struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
52 void __iomem *base = ourchip->base;
53 unsigned long flags;
54 unsigned long con;
55
56 s3c_gpio_lock(ourchip, flags);
57
58 con = __raw_readl(base + 0x00);
59 con &= ~(3 << (offset * 2));
60
61 __raw_writel(con, base + 0x00);
62
63 s3c_gpio_unlock(ourchip, flags);
64 return 0;
65}
66
67static int s3c_gpiolib_output(struct gpio_chip *chip,
68 unsigned offset, int value)
69{
70 struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
71 void __iomem *base = ourchip->base;
72 unsigned long flags;
73 unsigned long dat;
74 unsigned long con;
75
76 s3c_gpio_lock(ourchip, flags);
77
78 dat = __raw_readl(base + 0x04);
79 dat &= ~(1 << offset);
80 if (value)
81 dat |= 1 << offset;
82 __raw_writel(dat, base + 0x04);
83
84 con = __raw_readl(base + 0x00);
85 con &= ~(3 << (offset * 2));
86 con |= 1 << (offset * 2);
87
88 __raw_writel(con, base + 0x00);
89 __raw_writel(dat, base + 0x04);
90
91 s3c_gpio_unlock(ourchip, flags);
92 return 0;
93}
94
95static void s3c_gpiolib_set(struct gpio_chip *chip,
96 unsigned offset, int value)
97{
98 struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
99 void __iomem *base = ourchip->base;
100 unsigned long flags;
101 unsigned long dat;
102
103 s3c_gpio_lock(ourchip, flags);
104
105 dat = __raw_readl(base + 0x04);
106 dat &= ~(1 << offset);
107 if (value)
108 dat |= 1 << offset;
109 __raw_writel(dat, base + 0x04);
110
111 s3c_gpio_unlock(ourchip, flags);
112}
113
114static int s3c_gpiolib_get(struct gpio_chip *chip, unsigned offset)
115{
116 struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
117 unsigned long val;
118
119 val = __raw_readl(ourchip->base + 0x04);
120 val >>= offset;
121 val &= 1;
122
123 return val;
124}
125
126__init void s3c_gpiolib_add(struct s3c_gpio_chip *chip)
127{
128 struct gpio_chip *gc = &chip->chip;
129 int ret;
130
131 BUG_ON(!chip->base);
132 BUG_ON(!gc->label);
133 BUG_ON(!gc->ngpio);
134
135 spin_lock_init(&chip->lock);
136
137 if (!gc->direction_input)
138 gc->direction_input = s3c_gpiolib_input;
139 if (!gc->direction_output)
140 gc->direction_output = s3c_gpiolib_output;
141 if (!gc->set)
142 gc->set = s3c_gpiolib_set;
143 if (!gc->get)
144 gc->get = s3c_gpiolib_get;
145
146#ifdef CONFIG_PM
147 if (chip->pm != NULL) {
148 if (!chip->pm->save || !chip->pm->resume)
149 printk(KERN_ERR "gpio: %s has missing PM functions\n",
150 gc->label);
151 } else
152 printk(KERN_ERR "gpio: %s has no PM function\n", gc->label);
153#endif
154
155 /* gpiochip_add() prints own failure message on error. */
156 ret = gpiochip_add(gc);
157 if (ret >= 0)
158 s3c_gpiolib_track(chip);
159}
160
161int samsung_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset)
162{
163 struct s3c_gpio_chip *s3c_chip = container_of(chip,
164 struct s3c_gpio_chip, chip);
165
166 return s3c_chip->irq_base + offset;
167}
diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
index 9a4e53d52967..a181d7ce81cf 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
@@ -1,11 +1,11 @@
1/* linux/arch/arm/plat-s3c/include/plat/gpio-cfg-helper.h 1/* linux/arch/arm/plat-samsung/include/plat/gpio-cfg-helper.h
2 * 2 *
3 * Copyright 2008 Openmoko, Inc. 3 * Copyright 2008 Openmoko, Inc.
4 * Copyright 2008 Simtec Electronics 4 * Copyright 2008 Simtec Electronics
5 * http://armlinux.simtec.co.uk/ 5 * http://armlinux.simtec.co.uk/
6 * Ben Dooks <ben@simtec.co.uk> 6 * Ben Dooks <ben@simtec.co.uk>
7 * 7 *
8 * S3C Platform - GPIO pin configuration helper definitions 8 * Samsung Platform - GPIO pin configuration helper definitions
9 * 9 *
10 * This program is free software; you can redistribute it and/or modify 10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as 11 * it under the terms of the GNU General Public License version 2 as
@@ -24,120 +24,30 @@
24 * by disabling interrupts. 24 * by disabling interrupts.
25*/ 25*/
26 26
27static inline int s3c_gpio_do_setcfg(struct s3c_gpio_chip *chip, 27static inline int samsung_gpio_do_setcfg(struct samsung_gpio_chip *chip,
28 unsigned int off, unsigned int config) 28 unsigned int off, unsigned int config)
29{ 29{
30 return (chip->config->set_config)(chip, off, config); 30 return (chip->config->set_config)(chip, off, config);
31} 31}
32 32
33static inline unsigned s3c_gpio_do_getcfg(struct s3c_gpio_chip *chip, 33static inline unsigned samsung_gpio_do_getcfg(struct samsung_gpio_chip *chip,
34 unsigned int off) 34 unsigned int off)
35{ 35{
36 return (chip->config->get_config)(chip, off); 36 return (chip->config->get_config)(chip, off);
37} 37}
38 38
39static inline int s3c_gpio_do_setpull(struct s3c_gpio_chip *chip, 39static inline int samsung_gpio_do_setpull(struct samsung_gpio_chip *chip,
40 unsigned int off, s3c_gpio_pull_t pull) 40 unsigned int off, samsung_gpio_pull_t pull)
41{ 41{
42 return (chip->config->set_pull)(chip, off, pull); 42 return (chip->config->set_pull)(chip, off, pull);
43} 43}
44 44
45static inline s3c_gpio_pull_t s3c_gpio_do_getpull(struct s3c_gpio_chip *chip, 45static inline samsung_gpio_pull_t samsung_gpio_do_getpull(struct samsung_gpio_chip *chip,
46 unsigned int off) 46 unsigned int off)
47{ 47{
48 return chip->config->get_pull(chip, off); 48 return chip->config->get_pull(chip, off);
49} 49}
50 50
51/**
52 * s3c_gpio_setcfg_s3c24xx - S3C24XX style GPIO configuration.
53 * @chip: The gpio chip that is being configured.
54 * @off: The offset for the GPIO being configured.
55 * @cfg: The configuration value to set.
56 *
57 * This helper deal with the GPIO cases where the control register
58 * has two bits of configuration per gpio, which have the following
59 * functions:
60 * 00 = input
61 * 01 = output
62 * 1x = special function
63*/
64extern int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip,
65 unsigned int off, unsigned int cfg);
66
67/**
68 * s3c_gpio_getcfg_s3c24xx - S3C24XX style GPIO configuration read.
69 * @chip: The gpio chip that is being configured.
70 * @off: The offset for the GPIO being configured.
71 *
72 * The reverse of s3c_gpio_setcfg_s3c24xx(). Will return a value whicg
73 * could be directly passed back to s3c_gpio_setcfg_s3c24xx(), from the
74 * S3C_GPIO_SPECIAL() macro.
75 */
76unsigned int s3c_gpio_getcfg_s3c24xx(struct s3c_gpio_chip *chip,
77 unsigned int off);
78
79/**
80 * s3c_gpio_setcfg_s3c24xx_a - S3C24XX style GPIO configuration (Bank A)
81 * @chip: The gpio chip that is being configured.
82 * @off: The offset for the GPIO being configured.
83 * @cfg: The configuration value to set.
84 *
85 * This helper deal with the GPIO cases where the control register
86 * has one bit of configuration for the gpio, where setting the bit
87 * means the pin is in special function mode and unset means output.
88*/
89extern int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip,
90 unsigned int off, unsigned int cfg);
91
92
93/**
94 * s3c_gpio_getcfg_s3c24xx_a - S3C24XX style GPIO configuration read (Bank A)
95 * @chip: The gpio chip that is being configured.
96 * @off: The offset for the GPIO being configured.
97 *
98 * The reverse of s3c_gpio_setcfg_s3c24xx_a() turning an GPIO into a usable
99 * GPIO configuration value.
100 *
101 * @sa s3c_gpio_getcfg_s3c24xx
102 * @sa s3c_gpio_getcfg_s3c64xx_4bit
103 */
104extern unsigned s3c_gpio_getcfg_s3c24xx_a(struct s3c_gpio_chip *chip,
105 unsigned int off);
106
107/**
108 * s3c_gpio_setcfg_s3c64xx_4bit - S3C64XX 4bit single register GPIO config.
109 * @chip: The gpio chip that is being configured.
110 * @off: The offset for the GPIO being configured.
111 * @cfg: The configuration value to set.
112 *
113 * This helper deal with the GPIO cases where the control register has 4 bits
114 * of control per GPIO, generally in the form of:
115 * 0000 = Input
116 * 0001 = Output
117 * others = Special functions (dependent on bank)
118 *
119 * Note, since the code to deal with the case where there are two control
120 * registers instead of one, we do not have a separate set of functions for
121 * each case.
122*/
123extern int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
124 unsigned int off, unsigned int cfg);
125
126
127/**
128 * s3c_gpio_getcfg_s3c64xx_4bit - S3C64XX 4bit single register GPIO config read.
129 * @chip: The gpio chip that is being configured.
130 * @off: The offset for the GPIO being configured.
131 *
132 * The reverse of s3c_gpio_setcfg_s3c64xx_4bit(), turning a gpio configuration
133 * register setting into a value the software can use, such as could be passed
134 * to s3c_gpio_setcfg_s3c64xx_4bit().
135 *
136 * @sa s3c_gpio_getcfg_s3c24xx
137 */
138extern unsigned s3c_gpio_getcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
139 unsigned int off);
140
141/* Pull-{up,down} resistor controls. 51/* Pull-{up,down} resistor controls.
142 * 52 *
143 * S3C2410,S3C2440 = Pull-UP, 53 * S3C2410,S3C2440 = Pull-UP,
@@ -147,7 +57,7 @@ extern unsigned s3c_gpio_getcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
147 */ 57 */
148 58
149/** 59/**
150 * s3c_gpio_setpull_1up() - Pull configuration for choice of up or none. 60 * s3c24xx_gpio_setpull_1up() - Pull configuration for choice of up or none.
151 * @chip: The gpio chip that is being configured. 61 * @chip: The gpio chip that is being configured.
152 * @off: The offset for the GPIO being configured. 62 * @off: The offset for the GPIO being configured.
153 * @param: pull: The pull mode being requested. 63 * @param: pull: The pull mode being requested.
@@ -155,11 +65,11 @@ extern unsigned s3c_gpio_getcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
155 * This is a helper function for the case where we have GPIOs with one 65 * This is a helper function for the case where we have GPIOs with one
156 * bit configuring the presence of a pull-up resistor. 66 * bit configuring the presence of a pull-up resistor.
157 */ 67 */
158extern int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip, 68extern int s3c24xx_gpio_setpull_1up(struct samsung_gpio_chip *chip,
159 unsigned int off, s3c_gpio_pull_t pull); 69 unsigned int off, samsung_gpio_pull_t pull);
160 70
161/** 71/**
162 * s3c_gpio_setpull_1down() - Pull configuration for choice of down or none 72 * s3c24xx_gpio_setpull_1down() - Pull configuration for choice of down or none
163 * @chip: The gpio chip that is being configured 73 * @chip: The gpio chip that is being configured
164 * @off: The offset for the GPIO being configured 74 * @off: The offset for the GPIO being configured
165 * @param: pull: The pull mode being requested 75 * @param: pull: The pull mode being requested
@@ -167,11 +77,13 @@ extern int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip,
167 * This is a helper function for the case where we have GPIOs with one 77 * This is a helper function for the case where we have GPIOs with one
168 * bit configuring the presence of a pull-down resistor. 78 * bit configuring the presence of a pull-down resistor.
169 */ 79 */
170extern int s3c_gpio_setpull_1down(struct s3c_gpio_chip *chip, 80extern int s3c24xx_gpio_setpull_1down(struct samsung_gpio_chip *chip,
171 unsigned int off, s3c_gpio_pull_t pull); 81 unsigned int off, samsung_gpio_pull_t pull);
172 82
173/** 83/**
174 * s3c_gpio_setpull_upown() - Pull configuration for choice of up, down or none 84 * samsung_gpio_setpull_upown() - Pull configuration for choice of up,
85 * down or none
86 *
175 * @chip: The gpio chip that is being configured. 87 * @chip: The gpio chip that is being configured.
176 * @off: The offset for the GPIO being configured. 88 * @off: The offset for the GPIO being configured.
177 * @param: pull: The pull mode being requested. 89 * @param: pull: The pull mode being requested.
@@ -183,45 +95,46 @@ extern int s3c_gpio_setpull_1down(struct s3c_gpio_chip *chip,
183 * 01 = Pull-up resistor connected 95 * 01 = Pull-up resistor connected
184 * 10 = Pull-down resistor connected 96 * 10 = Pull-down resistor connected
185 */ 97 */
186extern int s3c_gpio_setpull_updown(struct s3c_gpio_chip *chip, 98extern int samsung_gpio_setpull_updown(struct samsung_gpio_chip *chip,
187 unsigned int off, s3c_gpio_pull_t pull); 99 unsigned int off, samsung_gpio_pull_t pull);
188
189 100
190/** 101/**
191 * s3c_gpio_getpull_updown() - Get configuration for choice of up, down or none 102 * samsung_gpio_getpull_updown() - Get configuration for choice of up,
103 * down or none
104 *
192 * @chip: The gpio chip that the GPIO pin belongs to 105 * @chip: The gpio chip that the GPIO pin belongs to
193 * @off: The offset to the pin to get the configuration of. 106 * @off: The offset to the pin to get the configuration of.
194 * 107 *
195 * This helper function reads the state of the pull-{up,down} resistor for the 108 * This helper function reads the state of the pull-{up,down} resistor
196 * given GPIO in the same case as s3c_gpio_setpull_upown. 109 * for the given GPIO in the same case as samsung_gpio_setpull_upown.
197*/ 110*/
198extern s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip, 111extern samsung_gpio_pull_t samsung_gpio_getpull_updown(struct samsung_gpio_chip *chip,
199 unsigned int off); 112 unsigned int off);
200 113
201/** 114/**
202 * s3c_gpio_getpull_1up() - Get configuration for choice of up or none 115 * s3c24xx_gpio_getpull_1up() - Get configuration for choice of up or none
203 * @chip: The gpio chip that the GPIO pin belongs to 116 * @chip: The gpio chip that the GPIO pin belongs to
204 * @off: The offset to the pin to get the configuration of. 117 * @off: The offset to the pin to get the configuration of.
205 * 118 *
206 * This helper function reads the state of the pull-up resistor for the 119 * This helper function reads the state of the pull-up resistor for the
207 * given GPIO in the same case as s3c_gpio_setpull_1up. 120 * given GPIO in the same case as s3c24xx_gpio_setpull_1up.
208*/ 121*/
209extern s3c_gpio_pull_t s3c_gpio_getpull_1up(struct s3c_gpio_chip *chip, 122extern samsung_gpio_pull_t s3c24xx_gpio_getpull_1up(struct samsung_gpio_chip *chip,
210 unsigned int off); 123 unsigned int off);
211 124
212/** 125/**
213 * s3c_gpio_getpull_1down() - Get configuration for choice of down or none 126 * s3c24xx_gpio_getpull_1down() - Get configuration for choice of down or none
214 * @chip: The gpio chip that the GPIO pin belongs to 127 * @chip: The gpio chip that the GPIO pin belongs to
215 * @off: The offset to the pin to get the configuration of. 128 * @off: The offset to the pin to get the configuration of.
216 * 129 *
217 * This helper function reads the state of the pull-down resistor for the 130 * This helper function reads the state of the pull-down resistor for the
218 * given GPIO in the same case as s3c_gpio_setpull_1down. 131 * given GPIO in the same case as s3c24xx_gpio_setpull_1down.
219*/ 132*/
220extern s3c_gpio_pull_t s3c_gpio_getpull_1down(struct s3c_gpio_chip *chip, 133extern samsung_gpio_pull_t s3c24xx_gpio_getpull_1down(struct samsung_gpio_chip *chip,
221 unsigned int off); 134 unsigned int off);
222 135
223/** 136/**
224 * s3c_gpio_setpull_s3c2443() - Pull configuration for s3c2443. 137 * s3c2443_gpio_setpull() - Pull configuration for s3c2443.
225 * @chip: The gpio chip that is being configured. 138 * @chip: The gpio chip that is being configured.
226 * @off: The offset for the GPIO being configured. 139 * @off: The offset for the GPIO being configured.
227 * @param: pull: The pull mode being requested. 140 * @param: pull: The pull mode being requested.
@@ -233,19 +146,18 @@ extern s3c_gpio_pull_t s3c_gpio_getpull_1down(struct s3c_gpio_chip *chip,
233 * 10 = Pull-down resistor connected 146 * 10 = Pull-down resistor connected
234 * x1 = No pull up resistor 147 * x1 = No pull up resistor
235 */ 148 */
236extern int s3c_gpio_setpull_s3c2443(struct s3c_gpio_chip *chip, 149extern int s3c2443_gpio_setpull(struct samsung_gpio_chip *chip,
237 unsigned int off, s3c_gpio_pull_t pull); 150 unsigned int off, samsung_gpio_pull_t pull);
238 151
239/** 152/**
240 * s3c_gpio_getpull_s3c2443() - Get configuration for s3c2443 pull resistors 153 * s3c2443_gpio_getpull() - Get configuration for s3c2443 pull resistors
241 * @chip: The gpio chip that the GPIO pin belongs to. 154 * @chip: The gpio chip that the GPIO pin belongs to.
242 * @off: The offset to the pin to get the configuration of. 155 * @off: The offset to the pin to get the configuration of.
243 * 156 *
244 * This helper function reads the state of the pull-{up,down} resistor for the 157 * This helper function reads the state of the pull-{up,down} resistor for the
245 * given GPIO in the same case as s3c_gpio_setpull_upown. 158 * given GPIO in the same case as samsung_gpio_setpull_upown.
246*/ 159*/
247extern s3c_gpio_pull_t s3c_gpio_getpull_s3c2443(struct s3c_gpio_chip *chip, 160extern samsung_gpio_pull_t s3c2443_gpio_getpull(struct samsung_gpio_chip *chip,
248 unsigned int off); 161 unsigned int off);
249 162
250#endif /* __PLAT_GPIO_CFG_HELPERS_H */ 163#endif /* __PLAT_GPIO_CFG_HELPERS_H */
251
diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg.h b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
index 1762dcb4cb9e..d48245bb02b3 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-cfg.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
@@ -24,14 +24,14 @@
24#ifndef __PLAT_GPIO_CFG_H 24#ifndef __PLAT_GPIO_CFG_H
25#define __PLAT_GPIO_CFG_H __FILE__ 25#define __PLAT_GPIO_CFG_H __FILE__
26 26
27typedef unsigned int __bitwise__ s3c_gpio_pull_t; 27typedef unsigned int __bitwise__ samsung_gpio_pull_t;
28typedef unsigned int __bitwise__ s5p_gpio_drvstr_t; 28typedef unsigned int __bitwise__ s5p_gpio_drvstr_t;
29 29
30/* forward declaration if gpio-core.h hasn't been included */ 30/* forward declaration if gpio-core.h hasn't been included */
31struct s3c_gpio_chip; 31struct samsung_gpio_chip;
32 32
33/** 33/**
34 * struct s3c_gpio_cfg GPIO configuration 34 * struct samsung_gpio_cfg GPIO configuration
35 * @cfg_eint: Configuration setting when used for external interrupt source 35 * @cfg_eint: Configuration setting when used for external interrupt source
36 * @get_pull: Read the current pull configuration for the GPIO 36 * @get_pull: Read the current pull configuration for the GPIO
37 * @set_pull: Set the current pull configuraiton for the GPIO 37 * @set_pull: Set the current pull configuraiton for the GPIO
@@ -44,20 +44,20 @@ struct s3c_gpio_chip;
44 * per-bank configuration information that other systems such as the 44 * per-bank configuration information that other systems such as the
45 * external interrupt code will need. 45 * external interrupt code will need.
46 * 46 *
47 * @sa s3c_gpio_cfgpin 47 * @sa samsung_gpio_cfgpin
48 * @sa s3c_gpio_getcfg 48 * @sa s3c_gpio_getcfg
49 * @sa s3c_gpio_setpull 49 * @sa s3c_gpio_setpull
50 * @sa s3c_gpio_getpull 50 * @sa s3c_gpio_getpull
51 */ 51 */
52struct s3c_gpio_cfg { 52struct samsung_gpio_cfg {
53 unsigned int cfg_eint; 53 unsigned int cfg_eint;
54 54
55 s3c_gpio_pull_t (*get_pull)(struct s3c_gpio_chip *chip, unsigned offs); 55 samsung_gpio_pull_t (*get_pull)(struct samsung_gpio_chip *chip, unsigned offs);
56 int (*set_pull)(struct s3c_gpio_chip *chip, unsigned offs, 56 int (*set_pull)(struct samsung_gpio_chip *chip, unsigned offs,
57 s3c_gpio_pull_t pull); 57 samsung_gpio_pull_t pull);
58 58
59 unsigned (*get_config)(struct s3c_gpio_chip *chip, unsigned offs); 59 unsigned (*get_config)(struct samsung_gpio_chip *chip, unsigned offs);
60 int (*set_config)(struct s3c_gpio_chip *chip, unsigned offs, 60 int (*set_config)(struct samsung_gpio_chip *chip, unsigned offs,
61 unsigned config); 61 unsigned config);
62}; 62};
63 63
@@ -69,7 +69,7 @@ struct s3c_gpio_cfg {
69#define S3C_GPIO_OUTPUT (S3C_GPIO_SPECIAL(1)) 69#define S3C_GPIO_OUTPUT (S3C_GPIO_SPECIAL(1))
70#define S3C_GPIO_SFN(x) (S3C_GPIO_SPECIAL(x)) 70#define S3C_GPIO_SFN(x) (S3C_GPIO_SPECIAL(x))
71 71
72#define s3c_gpio_is_cfg_special(_cfg) \ 72#define samsung_gpio_is_cfg_special(_cfg) \
73 (((_cfg) & S3C_GPIO_SPECIAL_MARK) == S3C_GPIO_SPECIAL_MARK) 73 (((_cfg) & S3C_GPIO_SPECIAL_MARK) == S3C_GPIO_SPECIAL_MARK)
74 74
75/** 75/**
@@ -128,9 +128,9 @@ extern int s3c_gpio_cfgpin_range(unsigned int start, unsigned int nr,
128 * up or down settings, and it may be dependent on the chip that is being 128 * up or down settings, and it may be dependent on the chip that is being
129 * used to whether the particular mode is available. 129 * used to whether the particular mode is available.
130 */ 130 */
131#define S3C_GPIO_PULL_NONE ((__force s3c_gpio_pull_t)0x00) 131#define S3C_GPIO_PULL_NONE ((__force samsung_gpio_pull_t)0x00)
132#define S3C_GPIO_PULL_DOWN ((__force s3c_gpio_pull_t)0x01) 132#define S3C_GPIO_PULL_DOWN ((__force samsung_gpio_pull_t)0x01)
133#define S3C_GPIO_PULL_UP ((__force s3c_gpio_pull_t)0x02) 133#define S3C_GPIO_PULL_UP ((__force samsung_gpio_pull_t)0x02)
134 134
135/** 135/**
136 * s3c_gpio_setpull() - set the state of a gpio pin pull resistor 136 * s3c_gpio_setpull() - set the state of a gpio pin pull resistor
@@ -143,7 +143,7 @@ extern int s3c_gpio_cfgpin_range(unsigned int start, unsigned int nr,
143 * 143 *
144 * @pull is one of S3C_GPIO_PULL_NONE, S3C_GPIO_PULL_DOWN or S3C_GPIO_PULL_UP. 144 * @pull is one of S3C_GPIO_PULL_NONE, S3C_GPIO_PULL_DOWN or S3C_GPIO_PULL_UP.
145*/ 145*/
146extern int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull); 146extern int s3c_gpio_setpull(unsigned int pin, samsung_gpio_pull_t pull);
147 147
148/** 148/**
149 * s3c_gpio_getpull() - get the pull resistor state of a gpio pin 149 * s3c_gpio_getpull() - get the pull resistor state of a gpio pin
@@ -151,7 +151,7 @@ extern int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull);
151 * 151 *
152 * Read the pull resistor value for the specified pin. 152 * Read the pull resistor value for the specified pin.
153*/ 153*/
154extern s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin); 154extern samsung_gpio_pull_t s3c_gpio_getpull(unsigned int pin);
155 155
156/* configure `all` aspects of an gpio */ 156/* configure `all` aspects of an gpio */
157 157
@@ -170,7 +170,7 @@ extern s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin);
170 * @sa s3c_gpio_cfgpin_range 170 * @sa s3c_gpio_cfgpin_range
171 */ 171 */
172extern int s3c_gpio_cfgall_range(unsigned int start, unsigned int nr, 172extern int s3c_gpio_cfgall_range(unsigned int start, unsigned int nr,
173 unsigned int cfg, s3c_gpio_pull_t pull); 173 unsigned int cfg, samsung_gpio_pull_t pull);
174 174
175static inline int s3c_gpio_cfgrange_nopull(unsigned int pin, unsigned int size, 175static inline int s3c_gpio_cfgrange_nopull(unsigned int pin, unsigned int size,
176 unsigned int cfg) 176 unsigned int cfg)
diff --git a/arch/arm/plat-samsung/include/plat/gpio-core.h b/arch/arm/plat-samsung/include/plat/gpio-core.h
index 8cad4cf19c3c..1fe6917f6a2a 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-core.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-core.h
@@ -25,22 +25,22 @@
25 * specific code. 25 * specific code.
26*/ 26*/
27 27
28struct s3c_gpio_chip; 28struct samsung_gpio_chip;
29 29
30/** 30/**
31 * struct s3c_gpio_pm - power management (suspend/resume) information 31 * struct samsung_gpio_pm - power management (suspend/resume) information
32 * @save: Routine to save the state of the GPIO block 32 * @save: Routine to save the state of the GPIO block
33 * @resume: Routine to resume the GPIO block. 33 * @resume: Routine to resume the GPIO block.
34 */ 34 */
35struct s3c_gpio_pm { 35struct samsung_gpio_pm {
36 void (*save)(struct s3c_gpio_chip *chip); 36 void (*save)(struct samsung_gpio_chip *chip);
37 void (*resume)(struct s3c_gpio_chip *chip); 37 void (*resume)(struct samsung_gpio_chip *chip);
38}; 38};
39 39
40struct s3c_gpio_cfg; 40struct samsung_gpio_cfg;
41 41
42/** 42/**
43 * struct s3c_gpio_chip - wrapper for specific implementation of gpio 43 * struct samsung_gpio_chip - wrapper for specific implementation of gpio
44 * @chip: The chip structure to be exported via gpiolib. 44 * @chip: The chip structure to be exported via gpiolib.
45 * @base: The base pointer to the gpio configuration registers. 45 * @base: The base pointer to the gpio configuration registers.
46 * @group: The group register number for gpio interrupt support. 46 * @group: The group register number for gpio interrupt support.
@@ -60,10 +60,10 @@ struct s3c_gpio_cfg;
60 * CPU cores trying to get one lock for different GPIO banks, where each 60 * CPU cores trying to get one lock for different GPIO banks, where each
61 * bank of GPIO has its own register space and configuration registers. 61 * bank of GPIO has its own register space and configuration registers.
62 */ 62 */
63struct s3c_gpio_chip { 63struct samsung_gpio_chip {
64 struct gpio_chip chip; 64 struct gpio_chip chip;
65 struct s3c_gpio_cfg *config; 65 struct samsung_gpio_cfg *config;
66 struct s3c_gpio_pm *pm; 66 struct samsung_gpio_pm *pm;
67 void __iomem *base; 67 void __iomem *base;
68 int irq_base; 68 int irq_base;
69 int group; 69 int group;
@@ -73,58 +73,11 @@ struct s3c_gpio_chip {
73#endif 73#endif
74}; 74};
75 75
76static inline struct s3c_gpio_chip *to_s3c_gpio(struct gpio_chip *gpc) 76static inline struct samsung_gpio_chip *to_samsung_gpio(struct gpio_chip *gpc)
77{ 77{
78 return container_of(gpc, struct s3c_gpio_chip, chip); 78 return container_of(gpc, struct samsung_gpio_chip, chip);
79} 79}
80 80
81/** s3c_gpiolib_add() - add the s3c specific version of a gpio_chip.
82 * @chip: The chip to register
83 *
84 * This is a wrapper to gpiochip_add() that takes our specific gpio chip
85 * information and makes the necessary alterations for the platform and
86 * notes the information for use with the configuration systems and any
87 * other parts of the system.
88 */
89extern void s3c_gpiolib_add(struct s3c_gpio_chip *chip);
90
91/* CONFIG_S3C_GPIO_TRACK enables the tracking of the s3c specific gpios
92 * for use with the configuration calls, and other parts of the s3c gpiolib
93 * support code.
94 *
95 * Not all s3c support code will need this, as some configurations of cpu
96 * may only support one or two different configuration options and have an
97 * easy gpio to s3c_gpio_chip mapping function. If this is the case, then
98 * the machine support file should provide its own s3c_gpiolib_getchip()
99 * and any other necessary functions.
100 */
101
102/**
103 * samsung_gpiolib_add_4bit_chips - 4bit single register GPIO config.
104 * @chip: The gpio chip that is being configured.
105 * @nr_chips: The no of chips (gpio ports) for the GPIO being configured.
106 *
107 * This helper deal with the GPIO cases where the control register has 4 bits
108 * of control per GPIO, generally in the form of:
109 * 0000 = Input
110 * 0001 = Output
111 * others = Special functions (dependent on bank)
112 *
113 * Note, since the code to deal with the case where there are two control
114 * registers instead of one, we do not have a separate set of function
115 * (samsung_gpiolib_add_4bit2_chips)for each case.
116 */
117extern void samsung_gpiolib_add_4bit_chips(struct s3c_gpio_chip *chip,
118 int nr_chips);
119extern void samsung_gpiolib_add_4bit2_chips(struct s3c_gpio_chip *chip,
120 int nr_chips);
121extern void samsung_gpiolib_add_2bit_chips(struct s3c_gpio_chip *chip,
122 int nr_chips);
123
124extern void samsung_gpiolib_add_4bit(struct s3c_gpio_chip *chip);
125extern void samsung_gpiolib_add_4bit2(struct s3c_gpio_chip *chip);
126
127
128/** 81/**
129 * samsung_gpiolib_to_irq - convert gpio pin to irq number 82 * samsung_gpiolib_to_irq - convert gpio pin to irq number
130 * @chip: The gpio chip that the pin belongs to. 83 * @chip: The gpio chip that the pin belongs to.
@@ -136,36 +89,36 @@ extern void samsung_gpiolib_add_4bit2(struct s3c_gpio_chip *chip);
136extern int samsung_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset); 89extern int samsung_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset);
137 90
138/* exported for core SoC support to change */ 91/* exported for core SoC support to change */
139extern struct s3c_gpio_cfg s3c24xx_gpiocfg_default; 92extern struct samsung_gpio_cfg s3c24xx_gpiocfg_default;
140 93
141#ifdef CONFIG_S3C_GPIO_TRACK 94#ifdef CONFIG_S3C_GPIO_TRACK
142extern struct s3c_gpio_chip *s3c_gpios[S3C_GPIO_END]; 95extern struct samsung_gpio_chip *s3c_gpios[S3C_GPIO_END];
143 96
144static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int chip) 97static inline struct samsung_gpio_chip *samsung_gpiolib_getchip(unsigned int chip)
145{ 98{
146 return (chip < S3C_GPIO_END) ? s3c_gpios[chip] : NULL; 99 return (chip < S3C_GPIO_END) ? s3c_gpios[chip] : NULL;
147} 100}
148#else 101#else
149/* machine specific code should provide s3c_gpiolib_getchip */ 102/* machine specific code should provide samsung_gpiolib_getchip */
150 103
151#include <mach/gpio-track.h> 104#include <mach/gpio-track.h>
152 105
153static inline void s3c_gpiolib_track(struct s3c_gpio_chip *chip) { } 106static inline void s3c_gpiolib_track(struct samsung_gpio_chip *chip) { }
154#endif 107#endif
155 108
156#ifdef CONFIG_PM 109#ifdef CONFIG_PM
157extern struct s3c_gpio_pm s3c_gpio_pm_1bit; 110extern struct samsung_gpio_pm samsung_gpio_pm_1bit;
158extern struct s3c_gpio_pm s3c_gpio_pm_2bit; 111extern struct samsung_gpio_pm samsung_gpio_pm_2bit;
159extern struct s3c_gpio_pm s3c_gpio_pm_4bit; 112extern struct samsung_gpio_pm samsung_gpio_pm_4bit;
160#define __gpio_pm(x) x 113#define __gpio_pm(x) x
161#else 114#else
162#define s3c_gpio_pm_1bit NULL 115#define samsung_gpio_pm_1bit NULL
163#define s3c_gpio_pm_2bit NULL 116#define samsung_gpio_pm_2bit NULL
164#define s3c_gpio_pm_4bit NULL 117#define samsung_gpio_pm_4bit NULL
165#define __gpio_pm(x) NULL 118#define __gpio_pm(x) NULL
166 119
167#endif /* CONFIG_PM */ 120#endif /* CONFIG_PM */
168 121
169/* locking wrappers to deal with multiple access to the same gpio bank */ 122/* locking wrappers to deal with multiple access to the same gpio bank */
170#define s3c_gpio_lock(_oc, _fl) spin_lock_irqsave(&(_oc)->lock, _fl) 123#define samsung_gpio_lock(_oc, _fl) spin_lock_irqsave(&(_oc)->lock, _fl)
171#define s3c_gpio_unlock(_oc, _fl) spin_unlock_irqrestore(&(_oc)->lock, _fl) 124#define samsung_gpio_unlock(_oc, _fl) spin_unlock_irqrestore(&(_oc)->lock, _fl)
diff --git a/arch/arm/plat-samsung/include/plat/gpio-fns.h b/arch/arm/plat-samsung/include/plat/gpio-fns.h
new file mode 100644
index 000000000000..bab139201761
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/gpio-fns.h
@@ -0,0 +1,98 @@
1/* arch/arm/mach-s3c2410/include/mach/gpio-fns.h
2 *
3 * Copyright (c) 2003-2009 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 *
6 * S3C2410 - hardware
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11*/
12
13#ifndef __MACH_GPIO_FNS_H
14#define __MACH_GPIO_FNS_H __FILE__
15
16/* These functions are in the to-be-removed category and it is strongly
17 * encouraged not to use these in new code. They will be marked deprecated
18 * very soon.
19 *
20 * Most of the functionality can be either replaced by the gpiocfg calls
21 * for the s3c platform or by the generic GPIOlib API.
22 *
23 * As of 2.6.35-rc, these will be removed, with the few drivers using them
24 * either replaced or given a wrapper until the calls can be removed.
25*/
26
27#include <plat/gpio-cfg.h>
28
29static inline void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int cfg)
30{
31 /* 1:1 mapping between cfgpin and setcfg calls at the moment */
32 s3c_gpio_cfgpin(pin, cfg);
33}
34
35/* external functions for GPIO support
36 *
37 * These allow various different clients to access the same GPIO
38 * registers without conflicting. If your driver only owns the entire
39 * GPIO register, then it is safe to ioremap/__raw_{read|write} to it.
40*/
41
42extern unsigned int s3c2410_gpio_getcfg(unsigned int pin);
43
44/* s3c2410_gpio_getirq
45 *
46 * turn the given pin number into the corresponding IRQ number
47 *
48 * returns:
49 * < 0 = no interrupt for this pin
50 * >=0 = interrupt number for the pin
51*/
52
53extern int s3c2410_gpio_getirq(unsigned int pin);
54
55/* s3c2410_gpio_irqfilter
56 *
57 * set the irq filtering on the given pin
58 *
59 * on = 0 => disable filtering
60 * 1 => enable filtering
61 *
62 * config = S3C2410_EINTFLT_PCLK or S3C2410_EINTFLT_EXTCLK orred with
63 * width of filter (0 through 63)
64 *
65 *
66*/
67
68extern int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on,
69 unsigned int config);
70
71/* s3c2410_gpio_pullup
72 *
73 * This call should be replaced with s3c_gpio_setpull().
74 *
75 * As a note, there is currently no distinction between pull-up and pull-down
76 * in the s3c24xx series devices with only an on/off configuration.
77 */
78
79/* s3c2410_gpio_pullup
80 *
81 * configure the pull-up control on the given pin
82 *
83 * to = 1 => disable the pull-up
84 * 0 => enable the pull-up
85 *
86 * eg;
87 *
88 * s3c2410_gpio_pullup(S3C2410_GPB(0), 0);
89 * s3c2410_gpio_pullup(S3C2410_GPE(8), 0);
90*/
91
92extern void s3c2410_gpio_pullup(unsigned int pin, unsigned int to);
93
94extern void s3c2410_gpio_setpin(unsigned int pin, unsigned int to);
95
96extern unsigned int s3c2410_gpio_getpin(unsigned int pin);
97
98#endif /* __MACH_GPIO_FNS_H */
diff --git a/arch/arm/plat-samsung/include/plat/pm.h b/arch/arm/plat-samsung/include/plat/pm.h
index f6749916d194..dcf68709f9cf 100644
--- a/arch/arm/plat-samsung/include/plat/pm.h
+++ b/arch/arm/plat-samsung/include/plat/pm.h
@@ -165,20 +165,20 @@ extern void s3c_pm_check_store(void);
165extern void s3c_pm_configure_extint(void); 165extern void s3c_pm_configure_extint(void);
166 166
167/** 167/**
168 * s3c_pm_restore_gpios() - restore the state of the gpios after sleep. 168 * samsung_pm_restore_gpios() - restore the state of the gpios after sleep.
169 * 169 *
170 * Restore the state of the GPIO pins after sleep, which may involve ensuring 170 * Restore the state of the GPIO pins after sleep, which may involve ensuring
171 * that we do not glitch the state of the pins from that the bootloader's 171 * that we do not glitch the state of the pins from that the bootloader's
172 * resume code has done. 172 * resume code has done.
173*/ 173*/
174extern void s3c_pm_restore_gpios(void); 174extern void samsung_pm_restore_gpios(void);
175 175
176/** 176/**
177 * s3c_pm_save_gpios() - save the state of the GPIOs for restoring after sleep. 177 * samsung_pm_save_gpios() - save the state of the GPIOs for restoring after sleep.
178 * 178 *
179 * Save the GPIO states for resotration on resume. See s3c_pm_restore_gpios(). 179 * Save the GPIO states for resotration on resume. See samsung_pm_restore_gpios().
180 */ 180 */
181extern void s3c_pm_save_gpios(void); 181extern void samsung_pm_save_gpios(void);
182 182
183extern void s3c_pm_save_core(void); 183extern void s3c_pm_save_core(void);
184extern void s3c_pm_restore_core(void); 184extern void s3c_pm_restore_core(void);
diff --git a/arch/arm/plat-samsung/pm-gpio.c b/arch/arm/plat-samsung/pm-gpio.c
index 96528200eb79..4be016eaa6db 100644
--- a/arch/arm/plat-samsung/pm-gpio.c
+++ b/arch/arm/plat-samsung/pm-gpio.c
@@ -28,13 +28,13 @@
28#define OFFS_DAT (0x04) 28#define OFFS_DAT (0x04)
29#define OFFS_UP (0x08) 29#define OFFS_UP (0x08)
30 30
31static void s3c_gpio_pm_1bit_save(struct s3c_gpio_chip *chip) 31static void samsung_gpio_pm_1bit_save(struct samsung_gpio_chip *chip)
32{ 32{
33 chip->pm_save[0] = __raw_readl(chip->base + OFFS_CON); 33 chip->pm_save[0] = __raw_readl(chip->base + OFFS_CON);
34 chip->pm_save[1] = __raw_readl(chip->base + OFFS_DAT); 34 chip->pm_save[1] = __raw_readl(chip->base + OFFS_DAT);
35} 35}
36 36
37static void s3c_gpio_pm_1bit_resume(struct s3c_gpio_chip *chip) 37static void samsung_gpio_pm_1bit_resume(struct samsung_gpio_chip *chip)
38{ 38{
39 void __iomem *base = chip->base; 39 void __iomem *base = chip->base;
40 u32 old_gpcon = __raw_readl(base + OFFS_CON); 40 u32 old_gpcon = __raw_readl(base + OFFS_CON);
@@ -60,12 +60,12 @@ static void s3c_gpio_pm_1bit_resume(struct s3c_gpio_chip *chip)
60 chip->chip.label, old_gpcon, gps_gpcon, old_gpdat, gps_gpdat); 60 chip->chip.label, old_gpcon, gps_gpcon, old_gpdat, gps_gpdat);
61} 61}
62 62
63struct s3c_gpio_pm s3c_gpio_pm_1bit = { 63struct samsung_gpio_pm samsung_gpio_pm_1bit = {
64 .save = s3c_gpio_pm_1bit_save, 64 .save = samsung_gpio_pm_1bit_save,
65 .resume = s3c_gpio_pm_1bit_resume, 65 .resume = samsung_gpio_pm_1bit_resume,
66}; 66};
67 67
68static void s3c_gpio_pm_2bit_save(struct s3c_gpio_chip *chip) 68static void samsung_gpio_pm_2bit_save(struct samsung_gpio_chip *chip)
69{ 69{
70 chip->pm_save[0] = __raw_readl(chip->base + OFFS_CON); 70 chip->pm_save[0] = __raw_readl(chip->base + OFFS_CON);
71 chip->pm_save[1] = __raw_readl(chip->base + OFFS_DAT); 71 chip->pm_save[1] = __raw_readl(chip->base + OFFS_DAT);
@@ -95,7 +95,7 @@ static inline int is_out(unsigned long con)
95} 95}
96 96
97/** 97/**
98 * s3c_gpio_pm_2bit_resume() - restore the given GPIO bank 98 * samsung_gpio_pm_2bit_resume() - restore the given GPIO bank
99 * @chip: The chip information to resume. 99 * @chip: The chip information to resume.
100 * 100 *
101 * Restore one of the GPIO banks that was saved during suspend. This is 101 * Restore one of the GPIO banks that was saved during suspend. This is
@@ -121,7 +121,7 @@ static inline int is_out(unsigned long con)
121 * [1] this assumes that writing to a pin DAT whilst in SFN will set the 121 * [1] this assumes that writing to a pin DAT whilst in SFN will set the
122 * state for when it is next output. 122 * state for when it is next output.
123 */ 123 */
124static void s3c_gpio_pm_2bit_resume(struct s3c_gpio_chip *chip) 124static void samsung_gpio_pm_2bit_resume(struct samsung_gpio_chip *chip)
125{ 125{
126 void __iomem *base = chip->base; 126 void __iomem *base = chip->base;
127 u32 old_gpcon = __raw_readl(base + OFFS_CON); 127 u32 old_gpcon = __raw_readl(base + OFFS_CON);
@@ -187,13 +187,13 @@ static void s3c_gpio_pm_2bit_resume(struct s3c_gpio_chip *chip)
187 chip->chip.label, old_gpcon, gps_gpcon, old_gpdat, gps_gpdat); 187 chip->chip.label, old_gpcon, gps_gpcon, old_gpdat, gps_gpdat);
188} 188}
189 189
190struct s3c_gpio_pm s3c_gpio_pm_2bit = { 190struct samsung_gpio_pm samsung_gpio_pm_2bit = {
191 .save = s3c_gpio_pm_2bit_save, 191 .save = samsung_gpio_pm_2bit_save,
192 .resume = s3c_gpio_pm_2bit_resume, 192 .resume = samsung_gpio_pm_2bit_resume,
193}; 193};
194 194
195#if defined(CONFIG_ARCH_S3C64XX) || defined(CONFIG_PLAT_S5P) 195#if defined(CONFIG_ARCH_S3C64XX) || defined(CONFIG_PLAT_S5P)
196static void s3c_gpio_pm_4bit_save(struct s3c_gpio_chip *chip) 196static void samsung_gpio_pm_4bit_save(struct samsung_gpio_chip *chip)
197{ 197{
198 chip->pm_save[1] = __raw_readl(chip->base + OFFS_CON); 198 chip->pm_save[1] = __raw_readl(chip->base + OFFS_CON);
199 chip->pm_save[2] = __raw_readl(chip->base + OFFS_DAT); 199 chip->pm_save[2] = __raw_readl(chip->base + OFFS_DAT);
@@ -203,7 +203,7 @@ static void s3c_gpio_pm_4bit_save(struct s3c_gpio_chip *chip)
203 chip->pm_save[0] = __raw_readl(chip->base - 4); 203 chip->pm_save[0] = __raw_readl(chip->base - 4);
204} 204}
205 205
206static u32 s3c_gpio_pm_4bit_mask(u32 old_gpcon, u32 gps_gpcon) 206static u32 samsung_gpio_pm_4bit_mask(u32 old_gpcon, u32 gps_gpcon)
207{ 207{
208 u32 old, new, mask; 208 u32 old, new, mask;
209 u32 change_mask = 0x0; 209 u32 change_mask = 0x0;
@@ -242,14 +242,14 @@ static u32 s3c_gpio_pm_4bit_mask(u32 old_gpcon, u32 gps_gpcon)
242 return change_mask; 242 return change_mask;
243} 243}
244 244
245static void s3c_gpio_pm_4bit_con(struct s3c_gpio_chip *chip, int index) 245static void samsung_gpio_pm_4bit_con(struct samsung_gpio_chip *chip, int index)
246{ 246{
247 void __iomem *con = chip->base + (index * 4); 247 void __iomem *con = chip->base + (index * 4);
248 u32 old_gpcon = __raw_readl(con); 248 u32 old_gpcon = __raw_readl(con);
249 u32 gps_gpcon = chip->pm_save[index + 1]; 249 u32 gps_gpcon = chip->pm_save[index + 1];
250 u32 gpcon, mask; 250 u32 gpcon, mask;
251 251
252 mask = s3c_gpio_pm_4bit_mask(old_gpcon, gps_gpcon); 252 mask = samsung_gpio_pm_4bit_mask(old_gpcon, gps_gpcon);
253 253
254 gpcon = old_gpcon & ~mask; 254 gpcon = old_gpcon & ~mask;
255 gpcon |= gps_gpcon & mask; 255 gpcon |= gps_gpcon & mask;
@@ -257,7 +257,7 @@ static void s3c_gpio_pm_4bit_con(struct s3c_gpio_chip *chip, int index)
257 __raw_writel(gpcon, con); 257 __raw_writel(gpcon, con);
258} 258}
259 259
260static void s3c_gpio_pm_4bit_resume(struct s3c_gpio_chip *chip) 260static void samsung_gpio_pm_4bit_resume(struct samsung_gpio_chip *chip)
261{ 261{
262 void __iomem *base = chip->base; 262 void __iomem *base = chip->base;
263 u32 old_gpcon[2]; 263 u32 old_gpcon[2];
@@ -269,10 +269,10 @@ static void s3c_gpio_pm_4bit_resume(struct s3c_gpio_chip *chip)
269 old_gpcon[0] = 0; 269 old_gpcon[0] = 0;
270 old_gpcon[1] = __raw_readl(base + OFFS_CON); 270 old_gpcon[1] = __raw_readl(base + OFFS_CON);
271 271
272 s3c_gpio_pm_4bit_con(chip, 0); 272 samsung_gpio_pm_4bit_con(chip, 0);
273 if (chip->chip.ngpio > 8) { 273 if (chip->chip.ngpio > 8) {
274 old_gpcon[0] = __raw_readl(base - 4); 274 old_gpcon[0] = __raw_readl(base - 4);
275 s3c_gpio_pm_4bit_con(chip, -1); 275 samsung_gpio_pm_4bit_con(chip, -1);
276 } 276 }
277 277
278 /* Now change the configurations that require DAT,CON */ 278 /* Now change the configurations that require DAT,CON */
@@ -298,19 +298,19 @@ static void s3c_gpio_pm_4bit_resume(struct s3c_gpio_chip *chip)
298 old_gpdat, gps_gpdat); 298 old_gpdat, gps_gpdat);
299} 299}
300 300
301struct s3c_gpio_pm s3c_gpio_pm_4bit = { 301struct samsung_gpio_pm samsung_gpio_pm_4bit = {
302 .save = s3c_gpio_pm_4bit_save, 302 .save = samsung_gpio_pm_4bit_save,
303 .resume = s3c_gpio_pm_4bit_resume, 303 .resume = samsung_gpio_pm_4bit_resume,
304}; 304};
305#endif /* CONFIG_ARCH_S3C64XX || CONFIG_PLAT_S5P */ 305#endif /* CONFIG_ARCH_S3C64XX || CONFIG_PLAT_S5P */
306 306
307/** 307/**
308 * s3c_pm_save_gpio() - save gpio chip data for suspend 308 * samsung_pm_save_gpio() - save gpio chip data for suspend
309 * @ourchip: The chip for suspend. 309 * @ourchip: The chip for suspend.
310 */ 310 */
311static void s3c_pm_save_gpio(struct s3c_gpio_chip *ourchip) 311static void samsung_pm_save_gpio(struct samsung_gpio_chip *ourchip)
312{ 312{
313 struct s3c_gpio_pm *pm = ourchip->pm; 313 struct samsung_gpio_pm *pm = ourchip->pm;
314 314
315 if (pm == NULL || pm->save == NULL) 315 if (pm == NULL || pm->save == NULL)
316 S3C_PMDBG("%s: no pm for %s\n", __func__, ourchip->chip.label); 316 S3C_PMDBG("%s: no pm for %s\n", __func__, ourchip->chip.label);
@@ -319,24 +319,24 @@ static void s3c_pm_save_gpio(struct s3c_gpio_chip *ourchip)
319} 319}
320 320
321/** 321/**
322 * s3c_pm_save_gpios() - Save the state of the GPIO banks. 322 * samsung_pm_save_gpios() - Save the state of the GPIO banks.
323 * 323 *
324 * For all the GPIO banks, save the state of each one ready for going 324 * For all the GPIO banks, save the state of each one ready for going
325 * into a suspend mode. 325 * into a suspend mode.
326 */ 326 */
327void s3c_pm_save_gpios(void) 327void samsung_pm_save_gpios(void)
328{ 328{
329 struct s3c_gpio_chip *ourchip; 329 struct samsung_gpio_chip *ourchip;
330 unsigned int gpio_nr; 330 unsigned int gpio_nr;
331 331
332 for (gpio_nr = 0; gpio_nr < S3C_GPIO_END;) { 332 for (gpio_nr = 0; gpio_nr < S3C_GPIO_END;) {
333 ourchip = s3c_gpiolib_getchip(gpio_nr); 333 ourchip = samsung_gpiolib_getchip(gpio_nr);
334 if (!ourchip) { 334 if (!ourchip) {
335 gpio_nr++; 335 gpio_nr++;
336 continue; 336 continue;
337 } 337 }
338 338
339 s3c_pm_save_gpio(ourchip); 339 samsung_pm_save_gpio(ourchip);
340 340
341 S3C_PMDBG("%s: save %08x,%08x,%08x,%08x\n", 341 S3C_PMDBG("%s: save %08x,%08x,%08x,%08x\n",
342 ourchip->chip.label, 342 ourchip->chip.label,
@@ -351,12 +351,12 @@ void s3c_pm_save_gpios(void)
351} 351}
352 352
353/** 353/**
354 * s3c_pm_resume_gpio() - restore gpio chip data after suspend 354 * samsung_pm_resume_gpio() - restore gpio chip data after suspend
355 * @ourchip: The suspended chip. 355 * @ourchip: The suspended chip.
356 */ 356 */
357static void s3c_pm_resume_gpio(struct s3c_gpio_chip *ourchip) 357static void samsung_pm_resume_gpio(struct samsung_gpio_chip *ourchip)
358{ 358{
359 struct s3c_gpio_pm *pm = ourchip->pm; 359 struct samsung_gpio_pm *pm = ourchip->pm;
360 360
361 if (pm == NULL || pm->resume == NULL) 361 if (pm == NULL || pm->resume == NULL)
362 S3C_PMDBG("%s: no pm for %s\n", __func__, ourchip->chip.label); 362 S3C_PMDBG("%s: no pm for %s\n", __func__, ourchip->chip.label);
@@ -364,19 +364,19 @@ static void s3c_pm_resume_gpio(struct s3c_gpio_chip *ourchip)
364 pm->resume(ourchip); 364 pm->resume(ourchip);
365} 365}
366 366
367void s3c_pm_restore_gpios(void) 367void samsung_pm_restore_gpios(void)
368{ 368{
369 struct s3c_gpio_chip *ourchip; 369 struct samsung_gpio_chip *ourchip;
370 unsigned int gpio_nr; 370 unsigned int gpio_nr;
371 371
372 for (gpio_nr = 0; gpio_nr < S3C_GPIO_END;) { 372 for (gpio_nr = 0; gpio_nr < S3C_GPIO_END;) {
373 ourchip = s3c_gpiolib_getchip(gpio_nr); 373 ourchip = samsung_gpiolib_getchip(gpio_nr);
374 if (!ourchip) { 374 if (!ourchip) {
375 gpio_nr++; 375 gpio_nr++;
376 continue; 376 continue;
377 } 377 }
378 378
379 s3c_pm_resume_gpio(ourchip); 379 samsung_pm_resume_gpio(ourchip);
380 380
381 gpio_nr += ourchip->chip.ngpio; 381 gpio_nr += ourchip->chip.ngpio;
382 gpio_nr += CONFIG_S3C_GPIO_SPACE; 382 gpio_nr += CONFIG_S3C_GPIO_SPACE;
diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c
index ae6f99834cdd..64ab65f0fdbc 100644
--- a/arch/arm/plat-samsung/pm.c
+++ b/arch/arm/plat-samsung/pm.c
@@ -268,8 +268,8 @@ static int s3c_pm_enter(suspend_state_t state)
268 268
269 /* save all necessary core registers not covered by the drivers */ 269 /* save all necessary core registers not covered by the drivers */
270 270
271 s3c_pm_save_gpios(); 271 samsung_pm_save_gpios();
272 s3c_pm_saved_gpios(); 272 samsung_pm_saved_gpios();
273 s3c_pm_save_uarts(); 273 s3c_pm_save_uarts();
274 s3c_pm_save_core(); 274 s3c_pm_save_core();
275 275
@@ -306,7 +306,7 @@ static int s3c_pm_enter(suspend_state_t state)
306 306
307 s3c_pm_restore_core(); 307 s3c_pm_restore_core();
308 s3c_pm_restore_uarts(); 308 s3c_pm_restore_uarts();
309 s3c_pm_restore_gpios(); 309 samsung_pm_restore_gpios();
310 s3c_pm_restored_gpios(); 310 s3c_pm_restored_gpios();
311 311
312 s3c_pm_debug_init(); 312 s3c_pm_debug_init();
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-25 13:34:19 -0500