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From d8f8e88b0ea9cf4e94a601d5ee2601ee8f1b6d52 Mon Sep 17 00:00:00 2001
From: Koen Kooi <koen@dominion.thruhere.net>
Date: Wed, 25 Apr 2012 12:35:07 +0200
Subject: [PATCH 32/79] beaglebone: connect batterycape GPIO to gpio-charger
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
---
arch/arm/mach-omap2/board-am335xevm.c | 46 ++++++++++++++++++++++++++++++++-
1 file changed, 45 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-omap2/board-am335xevm.c b/arch/arm/mach-omap2/board-am335xevm.c
index 3adc4ac..717bb8c 100644
--- a/arch/arm/mach-omap2/board-am335xevm.c
+++ b/arch/arm/mach-omap2/board-am335xevm.c
@@ -135,6 +135,36 @@ static const struct display_panel disp_panel = {
COLOR_ACTIVE,
};
+
+#if defined(CONFIG_CHARGER_GPIO)
+
+#include <linux/power_supply.h>
+#include <linux/power/gpio-charger.h>
+
+/* charger */
+static char *beaglebone_batteries[] = {
+ "battery",
+};
+
+static struct gpio_charger_platform_data beaglebone_charger_pdata = {
+ .name = "battery-cape",
+ .type = POWER_SUPPLY_TYPE_BATTERY,
+ .gpio = GPIO_TO_PIN(1,16),
+ .gpio_active_low = 0,
+ .supplied_to = beaglebone_batteries,
+ .num_supplicants = ARRAY_SIZE(beaglebone_batteries),
+};
+
+static struct platform_device beaglebone_charger_device = {
+ .name = "gpio-charger",
+ .dev = {
+ .platform_data = &beaglebone_charger_pdata,
+ },
+};
+
+#endif /* gpio-charger */
+
+
/* LCD backlight platform Data */
#define AM335X_BACKLIGHT_MAX_BRIGHTNESS 100
#define AM335X_BACKLIGHT_DEFAULT_BRIGHTNESS 50
@@ -506,6 +536,13 @@ static struct pinmux_config haptics_pin_mux[] = {
{NULL, 0},
};
+/* Module pin mux for battery cape */
+static struct pinmux_config batterycape_pin_mux[] = {
+ {"gpmc_a0.gpio1_16", OMAP_MUX_MODE7 | AM33XX_PIN_INPUT},
+ {NULL, 0},
+};
+
+
/* Module pin mux for LCDC */
static struct pinmux_config lcdc_pin_mux[] = {
{"lcd_data0.lcd_data0", OMAP_MUX_MODE0 | AM33XX_PIN_OUTPUT
@@ -2203,7 +2240,14 @@ static void beaglebone_cape_setup(struct memory_accessor *mem_acc, void *context
pr_info("BeagleBone cape: initializing battery cape\n");
// gpio1_6, P9_15 lowbat output
// AIN4, P9_33 vbat
- //foo_init(0,0);
+ setup_pin_mux(batterycape_pin_mux);
+ #if defined(CONFIG_CHARGER_GPIO)
+ int err;
+ err = platform_device_register(&beaglebone_charger_device);
+ if (err)
+ pr_err("failed to register BeagleBone battery cape gpio\n");
+
+ #endif
}
if (!strncmp("BB-BONE-SERL", cape_config.partnumber, 12)) {
--
1.7.10
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