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authorArnd Bergmann <arnd@arndb.de>2011-10-31 17:44:18 -0400
committerArnd Bergmann <arnd@arndb.de>2011-10-31 17:44:18 -0400
commit43872fa788060eef91ae437957e0a5e39f1c56fd (patch)
treedba464da61167d84b4f7470edebd5a769a78f9ee /arch/arm/plat-pxa/include
parent91fed558d0f33c74477569f50ed883fe6d430f1f (diff)
parentf55be1bf52aad524dc1bf556ae26c90262c87825 (diff)
Merge branch 'depends/rmk/gpio' into next/fixes
This sorts out merge conflicts with the arm/gpio branch that already got merged into mainline Linux. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/plat-pxa/include')
-rw-r--r--arch/arm/plat-pxa/include/plat/gpio-pxa.h44
-rw-r--r--arch/arm/plat-pxa/include/plat/gpio.h40
2 files changed, 47 insertions, 37 deletions
diff --git a/arch/arm/plat-pxa/include/plat/gpio-pxa.h b/arch/arm/plat-pxa/include/plat/gpio-pxa.h
new file mode 100644
index 00000000000..b6390beff32
--- /dev/null
+++ b/arch/arm/plat-pxa/include/plat/gpio-pxa.h
@@ -0,0 +1,44 @@
1#ifndef __PLAT_PXA_GPIO_H
2#define __PLAT_PXA_GPIO_H
3
4struct irq_data;
5
6/*
7 * We handle the GPIOs by banks, each bank covers up to 32 GPIOs with
8 * one set of registers. The register offsets are organized below:
9 *
10 * GPLR GPDR GPSR GPCR GRER GFER GEDR
11 * BANK 0 - 0x0000 0x000C 0x0018 0x0024 0x0030 0x003C 0x0048
12 * BANK 1 - 0x0004 0x0010 0x001C 0x0028 0x0034 0x0040 0x004C
13 * BANK 2 - 0x0008 0x0014 0x0020 0x002C 0x0038 0x0044 0x0050
14 *
15 * BANK 3 - 0x0100 0x010C 0x0118 0x0124 0x0130 0x013C 0x0148
16 * BANK 4 - 0x0104 0x0110 0x011C 0x0128 0x0134 0x0140 0x014C
17 * BANK 5 - 0x0108 0x0114 0x0120 0x012C 0x0138 0x0144 0x0150
18 *
19 * NOTE:
20 * BANK 3 is only available on PXA27x and later processors.
21 * BANK 4 and 5 are only available on PXA935
22 */
23
24#define GPIO_BANK(n) (GPIO_REGS_VIRT + BANK_OFF(n))
25
26#define GPLR_OFFSET 0x00
27#define GPDR_OFFSET 0x0C
28#define GPSR_OFFSET 0x18
29#define GPCR_OFFSET 0x24
30#define GRER_OFFSET 0x30
31#define GFER_OFFSET 0x3C
32#define GEDR_OFFSET 0x48
33
34/* NOTE: some PXAs have fewer on-chip GPIOs (like PXA255, with 85).
35 * Those cases currently cause holes in the GPIO number space, the
36 * actual number of the last GPIO is recorded by 'pxa_last_gpio'.
37 */
38extern int pxa_last_gpio;
39
40typedef int (*set_wake_t)(struct irq_data *d, unsigned int on);
41
42extern void pxa_init_gpio(int mux_irq, int start, int end, set_wake_t fn);
43
44#endif /* __PLAT_PXA_GPIO_H */
diff --git a/arch/arm/plat-pxa/include/plat/gpio.h b/arch/arm/plat-pxa/include/plat/gpio.h
index 1ddd2b97a72..258f77210b0 100644
--- a/arch/arm/plat-pxa/include/plat/gpio.h
+++ b/arch/arm/plat-pxa/include/plat/gpio.h
@@ -1,35 +1,10 @@
1#ifndef __PLAT_GPIO_H 1#ifndef __PLAT_GPIO_H
2#define __PLAT_GPIO_H 2#define __PLAT_GPIO_H
3 3
4struct irq_data; 4#define __ARM_GPIOLIB_COMPLEX
5 5
6/* 6/* The individual machine provides register offsets and NR_BUILTIN_GPIO */
7 * We handle the GPIOs by banks, each bank covers up to 32 GPIOs with 7#include <mach/gpio-pxa.h>
8 * one set of registers. The register offsets are organized below:
9 *
10 * GPLR GPDR GPSR GPCR GRER GFER GEDR
11 * BANK 0 - 0x0000 0x000C 0x0018 0x0024 0x0030 0x003C 0x0048
12 * BANK 1 - 0x0004 0x0010 0x001C 0x0028 0x0034 0x0040 0x004C
13 * BANK 2 - 0x0008 0x0014 0x0020 0x002C 0x0038 0x0044 0x0050
14 *
15 * BANK 3 - 0x0100 0x010C 0x0118 0x0124 0x0130 0x013C 0x0148
16 * BANK 4 - 0x0104 0x0110 0x011C 0x0128 0x0134 0x0140 0x014C
17 * BANK 5 - 0x0108 0x0114 0x0120 0x012C 0x0138 0x0144 0x0150
18 *
19 * NOTE:
20 * BANK 3 is only available on PXA27x and later processors.
21 * BANK 4 and 5 are only available on PXA935
22 */
23
24#define GPIO_BANK(n) (GPIO_REGS_VIRT + BANK_OFF(n))
25
26#define GPLR_OFFSET 0x00
27#define GPDR_OFFSET 0x0C
28#define GPSR_OFFSET 0x18
29#define GPCR_OFFSET 0x24
30#define GRER_OFFSET 0x30
31#define GFER_OFFSET 0x3C
32#define GEDR_OFFSET 0x48
33 8
34static inline int gpio_get_value(unsigned gpio) 9static inline int gpio_get_value(unsigned gpio)
35{ 10{
@@ -52,13 +27,4 @@ static inline void gpio_set_value(unsigned gpio, int value)
52 27
53#define gpio_cansleep __gpio_cansleep 28#define gpio_cansleep __gpio_cansleep
54 29
55/* NOTE: some PXAs have fewer on-chip GPIOs (like PXA255, with 85).
56 * Those cases currently cause holes in the GPIO number space, the
57 * actual number of the last GPIO is recorded by 'pxa_last_gpio'.
58 */
59extern int pxa_last_gpio;
60
61typedef int (*set_wake_t)(struct irq_data *d, unsigned int on);
62
63extern void pxa_init_gpio(int mux_irq, int start, int end, set_wake_t fn);
64#endif /* __PLAT_GPIO_H */ 30#endif /* __PLAT_GPIO_H */