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arm64: dts: qcom: msm8917-xiaomi-riva: Add display backlight 

Redmi 5A display uses pwm backlight, add support for it.

Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250213-pm8937-pwm-v2-3-49ea59801a33@mainlining.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
pull/1253/head
Barnabás Czémán 2025-02-13 20:54:49 +01:00 committed by Bjorn Andersson
parent b18c1aa640
commit 5b74065e6c
1 changed files with 25 additions and 0 deletions
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25
arch/arm64/boot/dts/qcom/msm8917-xiaomi-riva.dts
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@ -20,6 +20,14 @@
qcom,msm-id = <QCOM_ID_MSM8917 0>;
qcom,board-id = <0x1000b 2>, <0x2000b 2>;
pwm_backlight: backlight {
compatible = "pwm-backlight";
pwms = <&pm8937_pwm 0 100000>;
brightness-levels = <0 255>;
num-interpolated-steps = <255>;
default-brightness-level = <128>;
};
battery: battery {
compatible = "simple-battery";
charge-full-design-microamp-hours = <3000000>;
@ -131,6 +139,23 @@
};
};
&pm8937_gpios {
pwm_enable_default: pwm-enable-default-state {
pins = "gpio8";
function = "dtest2";
output-low;
bias-disable;
qcom,drive-strength = <2>;
};
};
&pm8937_pwm {
pinctrl-0 = <&pwm_enable_default>;
pinctrl-names = "default";
status = "okay";
};
&pm8937_resin {
linux,code = <KEY_VOLUMEDOWN>;