diff options
| author | Varadarajan, Charulatha <charu@ti.com> | 2010-12-08 03:26:56 +0300 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2010-12-08 03:26:56 +0300 |
| commit | c95d10bc49d50a9bc0f63a6eae79bb2707dabfdc (patch) | |
| tree | b6d4fb201cd2eb73af0c96db5143ce2d3b9857f4 /arch/arm/plat-omap | |
| parent | 9a748053f5f58a77cd71864f1d7b804175b0e47d (diff) | |
| download | linux-c95d10bc49d50a9bc0f63a6eae79bb2707dabfdc.tar.xz | |
OMAP15xx: GPIO: Introduce support for GPIO init
Add support for handling OMAP15xx specific gpio_init by
providing platform device data and doing device registration.
Signed-off-by: Charulatha V <charu@ti.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/plat-omap')
| -rw-r--r-- | arch/arm/plat-omap/gpio.c | 10 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/gpio.h | 18 |
2 files changed, 20 insertions, 8 deletions
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c index e4741905285b..2b0d90109828 100644 --- a/arch/arm/plat-omap/gpio.c +++ b/arch/arm/plat-omap/gpio.c @@ -205,13 +205,6 @@ struct gpio_bank { u32 dbck_enable_mask; }; -#define METHOD_MPUIO 0 -#define METHOD_GPIO_1510 1 -#define METHOD_GPIO_1610 2 -#define METHOD_GPIO_7XX 3 -#define METHOD_GPIO_24XX 5 -#define METHOD_GPIO_44XX 6 - #ifdef CONFIG_ARCH_OMAP16XX static struct gpio_bank gpio_bank_1610[5] = { { OMAP1_MPUIO_VBASE, NULL, INT_MPUIO, IH_MPUIO_BASE, @@ -335,7 +328,8 @@ static struct gpio_bank gpio_bank_44xx[6] = { #endif static struct gpio_bank *gpio_bank; -static int gpio_bank_count; +/* TODO: Analyze removing gpio_bank_count usage from driver code */ +int gpio_bank_count; static inline struct gpio_bank *get_gpio_bank(int gpio) { diff --git a/arch/arm/plat-omap/include/plat/gpio.h b/arch/arm/plat-omap/include/plat/gpio.h index de1c604962eb..5bef86d76a6a 100644 --- a/arch/arm/plat-omap/include/plat/gpio.h +++ b/arch/arm/plat-omap/include/plat/gpio.h @@ -27,6 +27,7 @@ #define __ASM_ARCH_OMAP_GPIO_H #include <linux/io.h> +#include <linux/platform_device.h> #include <mach/irqs.h> #define OMAP1_MPUIO_BASE 0xfffb5000 @@ -71,6 +72,23 @@ IH_MPUIO_BASE + ((nr) & 0x0f) : \ IH_GPIO_BASE + (nr)) +#define METHOD_MPUIO 0 +#define METHOD_GPIO_1510 1 +#define METHOD_GPIO_1610 2 +#define METHOD_GPIO_7XX 3 +#define METHOD_GPIO_24XX 5 +#define METHOD_GPIO_44XX 6 + +struct omap_gpio_platform_data { + u16 virtual_irq_start; + int bank_type; + int bank_width; /* GPIO bank width */ + bool dbck_flag; /* dbck required or not - True for OMAP3&4 */ +}; + +/* TODO: Analyze removing gpio_bank_count usage from driver code */ +extern int gpio_bank_count; + extern int omap_gpio_init(void); /* Call from board init only */ extern void omap2_gpio_prepare_for_idle(int power_state); extern void omap2_gpio_resume_after_idle(void); |