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authorThomas Kunze <thommycheck@gmx.de>2009-02-10 13:48:32 +0100
committerThomas Kunze <tkunze@tkunze-desktop.(none)>2009-11-27 21:07:24 +0100
commit9823b2d0f9547742fc40857f9ef153d6956266f2 (patch)
treefcabc2f0890b8667afac162d77cc0152739b57e3 /arch/arm/mach-sa1100
parentf1fce597e68c91f04381ad869579fd2fe6064101 (diff)
downloadlinux-2.6.34-ux500-9823b2d0f9547742fc40857f9ef153d6956266f2.tar.gz
collie: support pda_power driver
This add the pda-power platform device to collie.
Diffstat (limited to 'arch/arm/mach-sa1100')
-rw-r--r--arch/arm/mach-sa1100/collie.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c
index 395cf09b28b..fdab9d929e8 100644
--- a/arch/arm/mach-sa1100/collie.c
+++ b/arch/arm/mach-sa1100/collie.c
@@ -26,6 +26,7 @@
#include <linux/mtd/partitions.h>
#include <linux/timer.h>
#include <linux/gpio.h>
+#include <linux/pda_power.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -89,6 +90,69 @@ static struct mcp_plat_data collie_mcp_data = {
.gpio_base = COLLIE_TC35143_GPIO_BASE,
};
+/*
+ * Collie AC IN
+ */
+static int collie_power_init(struct device *dev)
+{
+ int ret = gpio_request(COLLIE_GPIO_AC_IN, "ac in");
+ if (ret)
+ goto err_gpio_req;
+
+ ret = gpio_direction_input(COLLIE_GPIO_AC_IN);
+ if (ret)
+ goto err_gpio_in;
+
+ return 0;
+
+err_gpio_in:
+ gpio_free(COLLIE_GPIO_AC_IN);
+err_gpio_req:
+ return ret;
+}
+
+static void collie_power_exit(struct device *dev)
+{
+ gpio_free(COLLIE_GPIO_AC_IN);
+}
+
+static int collie_power_ac_online(void)
+{
+ return gpio_get_value(COLLIE_GPIO_AC_IN) == 2;
+}
+
+static char *collie_ac_supplied_to[] = {
+ "main-battery",
+ "backup-battery",
+};
+
+static struct pda_power_pdata collie_power_data = {
+ .init = collie_power_init,
+ .is_ac_online = collie_power_ac_online,
+ .exit = collie_power_exit,
+ .supplied_to = collie_ac_supplied_to,
+ .num_supplicants = ARRAY_SIZE(collie_ac_supplied_to),
+};
+
+static struct resource collie_power_resource[] = {
+ {
+ .name = "ac",
+ .start = gpio_to_irq(COLLIE_GPIO_AC_IN),
+ .end = gpio_to_irq(COLLIE_GPIO_AC_IN),
+ .flags = IORESOURCE_IRQ |
+ IORESOURCE_IRQ_HIGHEDGE |
+ IORESOURCE_IRQ_LOWEDGE,
+ },
+};
+
+static struct platform_device collie_power_device = {
+ .name = "pda-power",
+ .id = -1,
+ .dev.platform_data = &collie_power_data,
+ .resource = collie_power_resource,
+ .num_resources = ARRAY_SIZE(collie_power_resource),
+};
+
#ifdef CONFIG_SHARP_LOCOMO
/*
* low-level UART features.
@@ -180,6 +244,7 @@ struct platform_device collie_locomo_device = {
static struct platform_device *devices[] __initdata = {
&collie_locomo_device,
&colliescoop_device,
+ &collie_power_device,
};
static struct mtd_partition collie_partitions[] = {