Commit 53b14ea3 authored by Dmitry Baryshkov's avatar Dmitry Baryshkov Committed by Russell King
Browse files

[ARM] 5099/1: Tosa: support AC-in detection. 



Add support for ac-in via pda_power device.

Signed-off-by: default avatarDmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 4440cbd6

arch/arm/mach-pxa/tosa.c

+66 −0
Original line number Diff line number Diff line
@@ -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>
@@ -409,6 +410,70 @@ static struct pxaficp_platform_data tosa_ficp_platform_data = { 
	.shutdown = tosa_irda_shutdown,

};



/*

 * 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

 */
@@ -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,