[PATCH 5/5] ARM: dts: imx7ulp-evk: Add backlight support

Anson Huang anson.huang at nxp.com
Mon Mar 11 00:16:37 PDT 2019


This patch adds i.MX7ULP EVK board MIPI-DSI backlight
support.

Signed-off-by: Anson Huang <Anson.Huang at nxp.com>
---
 arch/arm/boot/dts/imx7ulp-evk.dts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/imx7ulp-evk.dts b/arch/arm/boot/dts/imx7ulp-evk.dts
index 002b0c5..f5b9828 100644
--- a/arch/arm/boot/dts/imx7ulp-evk.dts
+++ b/arch/arm/boot/dts/imx7ulp-evk.dts
@@ -22,6 +22,14 @@
 		reg = <0x60000000 0x40000000>;
 	};
 
+	backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm0 1 50000>;
+		brightness-levels = <0 20 25 30 35 40 100>;
+		default-brightness-level = <6>;
+		status = "okay";
+	};
+
 	reg_vsd_3v3: regulator-vsd-3v3 {
 		compatible = "regulator-fixed";
 		regulator-name = "VSD_3V3";
-- 
2.7.4




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