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Commit 350d115d authored by Philipp Zabel's avatar Philipp Zabel Committed by Russell King
Browse files

[ARM] 4951/1: magician: enable external power supply (pda_power) driver 



Signed-off-by: default avatarPhilipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent bdb0c16a

arch/arm/configs/magician_defconfig

+5 −1
Original line number Diff line number Diff line
@@ -695,7 +695,11 @@ CONFIG_I2C_PXA=m 
# CONFIG_SPI is not set

# CONFIG_SPI_MASTER is not set

# CONFIG_W1 is not set

# CONFIG_POWER_SUPPLY is not set

CONFIG_POWER_SUPPLY=y

# CONFIG_POWER_SUPPLY_DEBUG is not set

CONFIG_PDA_POWER=y

# CONFIG_APM_POWER is not set

# CONFIG_BATTERY_DS2760 is not set

# CONFIG_HWMON is not set

# CONFIG_WATCHDOG is not set

arch/arm/mach-pxa/magician.c

+54 −0
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ 
#include <linux/mtd/mtd.h>

#include <linux/mtd/map.h>

#include <linux/mtd/physmap.h>

#include <linux/pda_power.h>



#include <asm/gpio.h>

#include <asm/hardware.h>
@@ -202,6 +203,58 @@ static struct platform_device backlight = { 
};





/*

 * External power

 */



static int magician_is_ac_online(void)

{

	return gpio_get_value(EGPIO_MAGICIAN_CABLE_STATE_AC);

}



static int magician_is_usb_online(void)

{

	return gpio_get_value(EGPIO_MAGICIAN_CABLE_STATE_USB);

}



static void magician_set_charge(int flags)

{

	gpio_set_value(GPIO30_MAGICIAN_nCHARGE_EN, !flags);

	gpio_set_value(EGPIO_MAGICIAN_CHARGE_EN, flags);

}



static struct pda_power_pdata power_supply_info = {

	.is_ac_online = magician_is_ac_online,

	.is_usb_online = magician_is_usb_online,

	.set_charge = magician_set_charge,

};



static struct resource power_supply_resources[] = {

	[0] = {

		.name  = "ac",

		.flags = IORESOURCE_IRQ,

		.start = IRQ_MAGICIAN_AC,

		.end   = IRQ_MAGICIAN_AC,

	},

	[1] = {

		.name  = "usb",

		.flags = IORESOURCE_IRQ,

		.start = IRQ_MAGICIAN_AC,

		.end   = IRQ_MAGICIAN_AC,

	},

};



static struct platform_device power_supply = {

	.name = "pda-power",

	.id   = -1,

	.dev  = {

		.platform_data = &power_supply_info,

	},

	.resource      = power_supply_resources,

	.num_resources = ARRAY_SIZE(power_supply_resources),

};





/*

 * MMC/SD

 */
@@ -299,6 +352,7 @@ static struct platform_device *devices[] __initdata = { 
	&gpio_keys,

	&egpio,

	&backlight,

	&power_supply,

	&strataflash,

};