MLK-11318-2 ARM: dts: imx7d-sdb: add dts support for pwm backlight

Add dts support for pwm backlight on imx_4.1.y branch.

Signed-off-by: Fancy Fang <chen.fang@freescale.com>

diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts
index 43c264d..b55ba3c 100644 (file)
--- a/arch/arm/boot/dts/imx7d-sdb.dts
+++ b/arch/arm/boot/dts/imx7d-sdb.dts
@@ -93,6 +93,15 @@
                        regulator-min-microvolt = <1800000>;
                        regulator-max-microvolt = <1800000>;
                };
+
+       };
+
+       backlight {
+               compatible = "pwm-backlight";
+               pwms = <&pwm1 0 5000000>;
+               brightness-levels = <0 4 8 16 32 64 128 255>;
+               default-brightness-level = <6>;
+               status = "okay";
        };
 
        spi4 {