[PATCH v2 7/9] ARM: tegra: lg-x3: Add backlight LED controller node

[Svyatoslav Ryhel <clamor95@gmail.com>]

Add node for TI LM3533 LED controller used in this device for panel
backlight.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
---
 arch/arm/boot/dts/nvidia/tegra30-lg-p880.dts |  2 ++
 arch/arm/boot/dts/nvidia/tegra30-lg-p895.dts |  2 ++
 arch/arm/boot/dts/nvidia/tegra30-lg-x3.dtsi  | 24 ++++++++++++++++++++
 3 files changed, 28 insertions(+)

diff --git a/arch/arm/boot/dts/nvidia/tegra30-lg-p880.dts b/arch/arm/boot/dts/nvidia/tegra30-lg-p880.dts
index f888987ce1340..3a5e66d869b1b 100644
--- a/arch/arm/boot/dts/nvidia/tegra30-lg-p880.dts
+++ b/arch/arm/boot/dts/nvidia/tegra30-lg-p880.dts
@@ -155,6 +155,8 @@ panel@1 {
 				vdd-supply = <&vcc_3v0_lcd>;
 				vddio-supply = <&iovcc_1v8_lcd>;
 
+				backlight = <&backlight>;
+
 				port {
 					panel_input: endpoint {
 						remote-endpoint = <&bridge_output>;
diff --git a/arch/arm/boot/dts/nvidia/tegra30-lg-p895.dts b/arch/arm/boot/dts/nvidia/tegra30-lg-p895.dts
index bb20197bcdfff..0d56fd25ce178 100644
--- a/arch/arm/boot/dts/nvidia/tegra30-lg-p895.dts
+++ b/arch/arm/boot/dts/nvidia/tegra30-lg-p895.dts
@@ -179,6 +179,8 @@ panel@1 {
 				vcc-supply = <&vcc_3v0_lcd>;
 				iovcc-supply = <&iovcc_1v8_lcd>;
 
+				backlight = <&backlight>;
+
 				port {
 					panel_input: endpoint {
 						remote-endpoint = <&bridge_output>;
diff --git a/arch/arm/boot/dts/nvidia/tegra30-lg-x3.dtsi b/arch/arm/boot/dts/nvidia/tegra30-lg-x3.dtsi
index 1f10f4bfb5f24..2dbef0185a0b8 100644
--- a/arch/arm/boot/dts/nvidia/tegra30-lg-x3.dtsi
+++ b/arch/arm/boot/dts/nvidia/tegra30-lg-x3.dtsi
@@ -1170,6 +1170,30 @@ rmi4-f11@11 {
 			};
 		};
 
+		led-controller@36 {
+			compatible = "ti,lm3533";
+			reg = <0x36>;
+
+			enable-gpios = <&gpio TEGRA_GPIO(N, 6) GPIO_ACTIVE_HIGH>;
+			vin-supply = <&vdd_3v3_vbat>;
+
+			ti,boost-ovp-microvolt = <24000000>;
+			ti,boost-freq-hz = <500000>;
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			backlight: backlight@0 {
+				compatible = "ti,lm3533-backlight";
+				reg = <0>;
+
+				led-max-microamp = <23400>;
+				led-sources = <0 1>;
+
+				ti,linear-mapping-mode;
+			};
+		};
+
 		max14526: muic@44 {
 			compatible = "maxim,max14526";
 			reg = <0x44>;
-- 
2.53.0