From 0b35b2d11774fadd48b9492bacd89a9757965ecc Mon Sep 17 00:00:00 2001 From: Lukasz Majewski Date: Sun, 20 May 2018 08:33:16 +0200 Subject: [PATCH] board: Add support for KEY1 status detection on K+P's HSC|DDC boards This code provides information if the K+P's imx53 boards had KEY1 pressed. Signed-off-by: Lukasz Majewski --- arch/arm/dts/imx53-kp.dts | 2 ++ board/k+p/kp_imx53/kp_imx53.c | 14 ++++++++++++++ 2 files changed, 16 insertions(+) diff --git a/arch/arm/dts/imx53-kp.dts b/arch/arm/dts/imx53-kp.dts index 6322ef1323..ca98fb59c6 100644 --- a/arch/arm/dts/imx53-kp.dts +++ b/arch/arm/dts/imx53-kp.dts @@ -88,6 +88,8 @@ MX53_PAD_EIM_CS0__GPIO2_23 0x1e4 /* LCD BACKLIGHT */ MX53_PAD_GPIO_1__GPIO1_1 0x1e4 + /* KEY1 GPIO */ + MX53_PAD_EIM_RW__GPIO2_26 0x1e4 >; }; diff --git a/board/k+p/kp_imx53/kp_imx53.c b/board/k+p/kp_imx53/kp_imx53.c index 6b0db6b8de..7e947fb617 100644 --- a/board/k+p/kp_imx53/kp_imx53.c +++ b/board/k+p/kp_imx53/kp_imx53.c @@ -23,6 +23,7 @@ #define PHY_nRST IMX_GPIO_NR(7, 6) #define BOOSTER_OFF IMX_GPIO_NR(2, 23) #define LCD_BACKLIGHT IMX_GPIO_NR(1, 1) +#define KEY1 IMX_GPIO_NR(2, 26) DECLARE_GLOBAL_DATA_PTR; @@ -196,6 +197,17 @@ void board_disable_display(void) gpio_direction_output(LCD_BACKLIGHT, 0); } +void board_misc_setup(void) +{ + gpio_request(KEY1, "KEY1_GPIO"); + gpio_direction_input(KEY1); + + if (gpio_get_value(KEY1)) + env_set("key1", "off"); + else + env_set("key1", "on"); +} + int board_late_init(void) { int ret = 0; @@ -215,5 +227,7 @@ int board_late_init(void) show_eeprom(); read_board_id(); + board_misc_setup(); + return ret; } -- 2.39.5