linux-kernel - [PATCH 10/10] ARM: sun7i: a20-olinuxino: Enable the user LED

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Date:	Tue, 30 Jul 2013 16:59:54 +0200
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Emilio Lopez <emilio@...pez.com.ar>, kevin.z.m.zh@...il.com,
	sunny@...winnertech.com, shuge@...winnertech.com,
	linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com,
	Maxime Ripard <maxime.ripard@...e-electrons.com>
Subject: [PATCH 10/10] ARM: sun7i: a20-olinuxino: Enable the user LED

The A20-olinuxino Micro has a LED connected to the PH2 pin. Use the
gpio-led driver to enable the control over this LED.

Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
---
 arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
index 96e8c56..70affa7 100644
--- a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
+++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
@@ -19,6 +19,15 @@
 	compatible = "olimex,a20-olinuxino-micro", "allwinner,sun7i-a20";
 
 	soc@...20000 {
+		pinctrl@...20800 {
+			led_pins_olinuxino: led_pins@0 {
+				allwinner,pins = "PH2";
+				allwinner,function = "gpio_out";
+				allwinner,drive = <1>;
+				allwinner,pull = <0>;
+			};
+		};
+
 		uart0: serial@...28000 {
 			pinctrl-names = "default";
 			pinctrl-0 = <&uart0_pins_a>;
@@ -37,4 +46,16 @@
 			status = "okay";
 		};
 	};
+
+	leds {
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&led_pins_olinuxino>;
+
+		green {
+			label = "a20s-olinuxino-micro:green:usr";
+			gpios = <&pio 7 2 0>;
+			default-state = "on";
+		};
+	};
 };
-- 
1.8.3.4

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