[ARM] 4951/1: magician: enable external power supply (pda_power) driver
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index a931c38..d152a08 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -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>
@@ -203,6 +204,58 @@
/*
+ * 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 @@
&gpio_keys,
&egpio,
&backlight,
+ &power_supply,
&strataflash,
};