From 1e1fa7f1f4ddc5b5021fae6e79157359b49189dd Mon Sep 17 00:00:00 2001
From: Pritesh Raithatha <praithatha@nvidia.com>
Date: Tue, 27 Sep 2011 13:31:46 +0530
Subject: arm: tegra: ventana: add gpio charger support

-Separate ac detection from battery driver

Bug 877456

Change-Id: I411ca707c58422075bdb27105bafc86a8de4e63e
Signed-off-by: Pritesh Raithatha <praithatha@nvidia.com>
Reviewed-on: http://git-master/r/54636
Reviewed-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
Tested-by: Rohan Somvanshi <rsomvanshi@nvidia.com>

Rebase-Id: R34bd7290f4c20c55bba8730b48fabe3fe0f566e1
---
 arch/arm/mach-tegra/board-ventana-power.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'arch/arm/mach-tegra/board-ventana-power.c')

diff --git a/arch/arm/mach-tegra/board-ventana-power.c b/arch/arm/mach-tegra/board-ventana-power.c
index c3e644d1aa1d..7f85b91cfb25 100644
--- a/arch/arm/mach-tegra/board-ventana-power.c
+++ b/arch/arm/mach-tegra/board-ventana-power.c
@@ -23,6 +23,7 @@
 #include <linux/mfd/tps6586x.h>
 #include <linux/gpio.h>
 #include <linux/io.h>
+#include <linux/power/gpio-charger.h>
 
 #include <mach/iomap.h>
 #include <mach/irqs.h>
@@ -261,6 +262,33 @@ int __init ventana_regulator_init(void)
 	return 0;
 }
 
+static char *ventana_battery[] = {
+	"battery",
+};
+
+static struct gpio_charger_platform_data ventana_charger_pdata = {
+	.name = "ac",
+	.type = POWER_SUPPLY_TYPE_MAINS,
+	.gpio = AC_PRESENT_GPIO,
+	.gpio_active_low = 1,
+	.supplied_to = ventana_battery,
+	.num_supplicants = ARRAY_SIZE(ventana_battery),
+};
+
+static struct platform_device ventana_charger_device = {
+	.name = "gpio-charger",
+	.dev = {
+		.platform_data = &ventana_charger_pdata,
+	},
+};
+
+int __init ventana_charger_init(void)
+{
+	tegra_gpio_enable(AC_PRESENT_GPIO);
+	platform_device_register(&ventana_charger_device);
+	return 0;
+}
+
 static int __init ventana_pcie_init(void)
 {
 	int ret;
-- 
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