[PATCH 20/20] Enable led on boot to notify user of boot status

[Nicolas Boulenguez]

From: Marius Gripsgard <marius at ubports.com>

---
 arch/arm/mach-sunxi/Kconfig | 5 +++++
 board/sunxi/board.c         | 4 ++--
 configs/pinephone_defconfig | 1 +
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
index 8421f3b685..2bfdf7738b 100644
--- a/arch/arm/mach-sunxi/Kconfig
+++ b/arch/arm/mach-sunxi/Kconfig
@@ -1,5 +1,10 @@
 if ARCH_SUNXI
 
+config PINEPHONE_LEDS
+	bool "Notify boot status via LEDs on PinePhone"
+	---help---
+	LED boot notification.
+
 config SPL_LDSCRIPT
 	default "arch/arm/cpu/armv7/sunxi/u-boot-spl.lds" if !ARM64
 
diff --git a/board/sunxi/board.c b/board/sunxi/board.c
index abd7e390b2..a117b89ba2 100644
--- a/board/sunxi/board.c
+++ b/board/sunxi/board.c
@@ -637,6 +638,12 @@ void sunxi_board_init(void)
 {
 	int power_failed = 0;
 
+#ifdef CONFIG_PINEPHONE_LEDS
+	/* PD18:G PD19:R PD20:B */
+	gpio_request(SUNXI_GPD(18), "led:green");
+	gpio_direction_output(SUNXI_GPD(18), 1);
+#endif
+
 #ifdef CONFIG_SY8106A_POWER
 	power_failed = sy8106a_set_vout1(CONFIG_SY8106A_VOUT1_VOLT);
 #endif
diff --git a/configs/pinephone_defconfig b/configs/pinephone_defconfig
index ff5da42ce0..9de6ab2316 100644
--- a/configs/pinephone_defconfig
+++ b/configs/pinephone_defconfig
@@ -1,6 +21,7 @@
 CONFIG_ARM=y
 CONFIG_ARCH_SUNXI=y
 CONFIG_SPL=y
+CONFIG_PINEPHONE_LEDS=y
 CONFIG_MACH_SUN50I=y
 CONFIG_SUNXI_DRAM_LPDDR3_STOCK=y
 CONFIG_DRAM_CLK=552
-- 
2.26.2