From: Rogerio Pimentel <rogerio.pimentel@freescale.com>
Date: Fri, 11 Oct 2013 19:48:16 +0000 (-0300)
Subject: ARM: dts: imx6qdl-sabresd: Add backlight support for lvds
X-Git-Tag: firefly_0821_release~176^2~5043^2~9^2~5
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=2f35c0c41f6b9a326574fcbcde3736309c51ffc3;p=firefly-linux-kernel-4.4.55.git

ARM: dts: imx6qdl-sabresd: Add backlight support for lvds

This patch adds support for lvds backlight on boards
i.MX6q-SabreSD and i.MX6dl-SabreSD

Signed-off-by: Rogerio Pimentel <rogerio.pimentel@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
---

diff --git a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
index 2035d6698ec5..e75e11b36dff 100644
--- a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
@@ -80,6 +80,14 @@
 		mux-int-port = <2>;
 		mux-ext-port = <3>;
 	};
+
+	backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm1 0 5000000>;
+		brightness-levels = <0 4 8 16 32 64 128 255>;
+		default-brightness-level = <7>;
+		status = "okay";
+	};
 };
 
 &audmux {
@@ -204,6 +212,12 @@
 	};
 };
 
+&pwm1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pwm0_1>;
+	status = "okay";
+};
+
 &ssi2 {
 	fsl,mode = "i2s-slave";
 	status = "okay";