diff options
| author | Dmitry Baryshkov <dbaryshkov@gmail.com> | 2008-06-14 11:43:36 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-07-07 13:22:05 +0100 |
| commit | 53b14ea336ca45f34821ad78a1b45c2315283621 (patch) | |
| tree | 74d73cb94f26581624c108e8f8312060d1f668bb /arch/arm | |
| parent | 4440cbd69fc71bab8ed932e237b2a453b365ab9b (diff) | |
[ARM] 5099/1: Tosa: support AC-in detection.
Add support for ac-in via pda_power device.
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-pxa/tosa.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c index 2fe0998ac3f..f3b12d2897a 100644 --- a/arch/arm/mach-pxa/tosa.c +++ b/arch/arm/mach-pxa/tosa.c @@ -27,6 +27,7 @@ #include <linux/gpio_keys.h> #include <linux/input.h> #include <linux/gpio.h> +#include <linux/pda_power.h> #include <asm/setup.h> #include <asm/mach-types.h> @@ -410,6 +411,70 @@ static struct pxaficp_platform_data tosa_ficp_platform_data = { }; /* + * Tosa AC IN + */ +static int tosa_power_init(struct device *dev) +{ + int ret = gpio_request(TOSA_GPIO_AC_IN, "ac in"); + if (ret) + goto err_gpio_req; + + ret = gpio_direction_input(TOSA_GPIO_AC_IN); + if (ret) + goto err_gpio_in; + + return 0; + +err_gpio_in: + gpio_free(TOSA_GPIO_AC_IN); +err_gpio_req: + return ret; +} + +static void tosa_power_exit(struct device *dev) +{ + gpio_free(TOSA_GPIO_AC_IN); +} + +static int tosa_power_ac_online(void) +{ + return gpio_get_value(TOSA_GPIO_AC_IN) == 0; +} + +static char *tosa_ac_supplied_to[] = { + "main-battery", + "backup-battery", + "jacket-battery", +}; + +static struct pda_power_pdata tosa_power_data = { + .init = tosa_power_init, + .is_ac_online = tosa_power_ac_online, + .exit = tosa_power_exit, + .supplied_to = tosa_ac_supplied_to, + .num_supplicants = ARRAY_SIZE(tosa_ac_supplied_to), +}; + +static struct resource tosa_power_resource[] = { + { + .name = "ac", + .start = gpio_to_irq(TOSA_GPIO_AC_IN), + .end = gpio_to_irq(TOSA_GPIO_AC_IN), + .flags = IORESOURCE_IRQ | + IORESOURCE_IRQ_HIGHEDGE | + IORESOURCE_IRQ_LOWEDGE, + }, +}; + +static struct platform_device tosa_power_device = { + .name = "pda-power", + .id = -1, + .dev.platform_data = &tosa_power_data, + .resource = tosa_power_resource, + .num_resources = ARRAY_SIZE(tosa_power_resource), +}; + +/* * Tosa Keyboard */ static struct platform_device tosakbd_device = { @@ -633,6 +698,7 @@ static struct platform_device *devices[] __initdata = { &tosascoop_device, &tosascoop_jc_device, &tc6393xb_device, + &tosa_power_device, &tosakbd_device, &tosa_gpio_keys_device, &tosaled_device, |