This patch enables backlight support. Signed-off-by: Biju Das <biju.das@xxxxxxxxxxxxxx> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> --- V1-->V2 * No change * Added Laurent's Reviewed-by tag. --- arch/arm64/boot/dts/renesas/hihope-rzg2-ex.dtsi | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/hihope-rzg2-ex.dtsi b/arch/arm64/boot/dts/renesas/hihope-rzg2-ex.dtsi index 4280b19..70f9a2a 100644 --- a/arch/arm64/boot/dts/renesas/hihope-rzg2-ex.dtsi +++ b/arch/arm64/boot/dts/renesas/hihope-rzg2-ex.dtsi @@ -13,6 +13,14 @@ chosen { bootargs = "ignore_loglevel rw root=/dev/nfs ip=on"; }; + + backlight { + compatible = "pwm-backlight"; + pwms = <&pwm0 0 50000>; + + brightness-levels = <0 2 8 16 32 64 128 255>; + default-brightness-level = <6>; + }; }; &avb { @@ -82,4 +90,16 @@ groups = "can1_data"; function = "can1"; }; + + pwm0_pins: pwm0 { + groups = "pwm0"; + function = "pwm0"; + }; +}; + +&pwm0 { + pinctrl-0 = <&pwm0_pins>; + pinctrl-names = "default"; + + status = "okay"; }; -- 2.7.4