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

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Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Philipp Zabel 2008-04-09 19:25:56 +01:00 committed by Russell King
parent bdb0c16acb
commit 350d115d1e
2 changed files with 59 additions and 1 deletions
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6
arch/arm/configs/magician_defconfig
View File

@ -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

54
arch/arm/mach-pxa/magician.c
View File

@ -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,
};