[PATCH 12/15] MIPS: black-swift: enable GPIO LED

[Antony Pavlov]

Signed-off-by: Antony Pavlov <antonynpavlov at gmail.com>
---
 .../boards/black-swift/include/board/board_pbl_start.h    |  6 ++++++
 arch/mips/dts/black-swift.dts                             | 15 +++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/arch/mips/boards/black-swift/include/board/board_pbl_start.h b/arch/mips/boards/black-swift/include/board/board_pbl_start.h
index 0d68004..ee21a85 100644
--- a/arch/mips/boards/black-swift/include/board/board_pbl_start.h
+++ b/arch/mips/boards/black-swift/include/board/board_pbl_start.h
@@ -46,6 +46,12 @@ skip_pll_ram_config:
 	debug_ll_ar9331_init
 	mips_nmon
 
+	/*
+	 * It is amazing but we have to enable MDIO on GPIO
+	 * to use GPIO27 for LED1.
+	 */
+	pbl_ar9331_mdio_gpio_enable
+
 	copy_to_link_location	pbl_start
 
 	.set	pop
diff --git a/arch/mips/dts/black-swift.dts b/arch/mips/dts/black-swift.dts
index 270374d..b0fa3b0 100644
--- a/arch/mips/dts/black-swift.dts
+++ b/arch/mips/dts/black-swift.dts
@@ -1,6 +1,7 @@
 /dts-v1/;
 
 #include "ar9331.dtsi"
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	model = "Black Swift";
@@ -13,12 +14,26 @@
 	aliases {
 		spiflash = &spiflash;
 	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		s1 {
+			label = "LED1";
+			gpios = <&gpio 27 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+		};
+	};
 };
 
 &serial0 {
 	status = "okay";
 };
 
+&gpio {
+	status = "okay";
+};
+
 &spi {
 	num-chipselects = <1>;
 	status = "okay";
-- 
2.7.0