diff options
Diffstat (limited to 'recipes-kernel/linux/linux-ti33x-psp-3.2/beaglebone/0032-beaglebone-connect-batterycape-GPIO-to-gpio-charger.patch')
| -rw-r--r-- | recipes-kernel/linux/linux-ti33x-psp-3.2/beaglebone/0032-beaglebone-connect-batterycape-GPIO-to-gpio-charger.patch | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-ti33x-psp-3.2/beaglebone/0032-beaglebone-connect-batterycape-GPIO-to-gpio-charger.patch b/recipes-kernel/linux/linux-ti33x-psp-3.2/beaglebone/0032-beaglebone-connect-batterycape-GPIO-to-gpio-charger.patch new file mode 100644 index 00000000..8eb42339 --- /dev/null +++ b/recipes-kernel/linux/linux-ti33x-psp-3.2/beaglebone/0032-beaglebone-connect-batterycape-GPIO-to-gpio-charger.patch @@ -0,0 +1,84 @@ +From b81fd612ad4d08415df513e2627b35439cd921e5 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 32/33] 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 + |