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List: linux-arm-kernel
Subject: [PATCH 8/10] magician: enable external power supply (pda_power) driver
From: Philipp Zabel <philipp.zabel () gmail ! com>
Date: 2007-12-28 12:32:17
Message-ID: 1198845137.8701.53.camel () localhost ! localdomain
[Download RAW message or body]
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
---
arch/arm/configs/magician_defconfig | 6 +++-
arch/arm/mach-pxa/magician.c | 54 +++++++++++++++++++++++++++++++++++
2 files changed, 59 insertions(+), 1 deletions(-)
diff --git a/arch/arm/configs/magician_defconfig b/arch/arm/configs/magician_defconfig
index 8801c14..d6c234f 100644
--- a/arch/arm/configs/magician_defconfig
+++ b/arch/arm/configs/magician_defconfig
@@ -684,7 +684,11 @@ 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
diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index f05797d..78a850b 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>
@@ -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
*/
@@ -312,6 +365,7 @@ static struct platform_device *devices[] __initdata = {
&gpio_keys,
&egpio,
&backlight,
+ &power_supply,
&strataflash,
};
--
1.5.3.7
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