This patch enables backlight support.
Signed-off-by: Biju Das <[email protected]>
Reviewed-by: Laurent Pinchart <[email protected]>
---
V1-->V2
* No change
* Added Laurent's Reviewed-by tag.
V2-->V3
* No Change
---
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
