linux-kernel - [PATCH] ARM: dts: rockchip: add the leds control for kylin board

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Message-Id: <1453870989-6999-1-git-send-email-wxt@rock-chips.com>
Date:	Wed, 27 Jan 2016 13:03:09 +0800
From:	Caesar Wang <wxt@...k-chips.com>
To:	heiko@...ech.de
Cc:	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	Caesar Wang <wxt@...k-chips.com>
Subject: [PATCH] ARM: dts: rockchip: add the leds control for kylin board

As the kylin schematic drawing, add the needed work led for
kylin board.

Run:
ucho 0 > /sys/class/leds/kylin:red:led/brightness
echo 1 > /sys/class/leds/kylin:red:led/brightness

The led can be normall on/off on kylin board.

Signed-off-by: Caesar Wang <wxt@...k-chips.com>

---

Hi Heiko,

Describing the content:
- This patch is based on your v4.6-clk/next branch.
- Verified on
  https://github.com/Caesar-github/rockchip/commits/kylin/next.

 arch/arm/boot/dts/rk3036-kylin.dts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm/boot/dts/rk3036-kylin.dts b/arch/arm/boot/dts/rk3036-kylin.dts
index 190f22c..3332a7f 100644
--- a/arch/arm/boot/dts/rk3036-kylin.dts
+++ b/arch/arm/boot/dts/rk3036-kylin.dts
@@ -46,6 +46,17 @@
 	model = "Rockchip RK3036 KylinBoard";
 	compatible = "rockchip,rk3036-kylin", "rockchip,rk3036";
 
+	leds: gpio-leds {
+		compatible = "gpio-leds";
+
+		work {
+			gpios = <&gpio2 30 GPIO_ACTIVE_HIGH>;
+			label = "kylin:red:led";
+			pinctrl-names = "default";
+			pinctrl-0 = <&led_ctl>;
+		};
+	};
+
 	sdio_pwrseq: sdio-pwrseq {
 		compatible = "mmc-pwrseq-simple";
 		pinctrl-names = "default";
@@ -359,6 +370,12 @@
 };
 
 &pinctrl {
+	leds {
+		led_ctl: led-ctl {
+			rockchip,pins = <2 30 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
 	pmic {
 		pmic_int: pmic-int {
 			rockchip,pins = <2 2 RK_FUNC_GPIO &pcfg_pull_default>;
-- 
1.9.1