aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/plat-s3c24xx
diff options
context:
space:
mode:
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/arm/plat-s3c24xx
parent59ca37f74a6e9d3e9367359f2fcbb286df7d9748 (diff)
parentb391f8cf606679e97b02e3b9dca8a1d9956a5301 (diff)
Merge branch 'next/topic-gpio-samsung' into next-samsung-devel
Diffstat (limited to 'arch/arm/plat-s3c24xx')
-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
4 files changed, 0 insertions, 328 deletions
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);
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-18 05:11:24 -0500