[PATCH v3 01/10] arm64: dts: qcom: sc8280xp-arcata: Enable backlight

[Jérôme de Bretagne via B4 Relay]

From: Jérôme de Bretagne <jerome.debretagne@xxxxxxxxx>

Add backlight nodes and enable backlight so that it can be controlled
with the corresponding buttons found on Surface Pro Type Cover keyboards.

Signed-off-by: Jérôme de Bretagne <jerome.debretagne@xxxxxxxxx>
---
 .../boot/dts/qcom/sc8280xp-microsoft-arcata.dts    | 27 ++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-microsoft-arcata.dts b/arch/arm64/boot/dts/qcom/sc8280xp-microsoft-arcata.dts
index f2b4470d4407fb5b6a3dbac8bc972c010c31bd06..f24f60dc73afea6eeee0ea26472cda3223811752 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-microsoft-arcata.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-microsoft-arcata.dts
@@ -46,6 +46,15 @@ wcd938x: audio-codec {
 		#sound-dai-cells = <1>;
 	};
 
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pmc8280c_lpg 3 1000000>;
+		enable-gpios = <&pmc8280_1_gpios 8 GPIO_ACTIVE_HIGH>;
+
+		pinctrl-0 = <&edp_bl_en>, <&edp_bl_pwm>;
+		pinctrl-names = "default";
+	};
+
 	pmic-glink {
 		compatible = "qcom,sc8280xp-pmic-glink", "qcom,pmic-glink";
 
@@ -553,6 +562,10 @@ &pcie4_phy {
 	status = "okay";
 };
 
+&pmc8280c_lpg {
+	status = "okay";
+};
+
 &pmk8280_pon_pwrkey {
 	status = "okay";
 };
@@ -853,6 +866,13 @@ &lpass_tlmm {
 	status = "okay";
 };
 
+&pmc8280_1_gpios {
+	edp_bl_en: edp-bl-en-state {
+		pins = "gpio8";
+		function = "normal";
+	};
+};
+
 &pmc8280_2_gpios {
 	wwan_sw_en: wwan-sw-en-state {
 		pins = "gpio1";
@@ -860,6 +880,13 @@ wwan_sw_en: wwan-sw-en-state {
 	};
 };
 
+&pmc8280c_gpios {
+	edp_bl_pwm: edp-bl-pwm-state {
+		pins = "gpio8";
+		function = "func1";
+	};
+};
+
 &pmr735a_gpios {
 	hastings_reg_en: hastings-reg-en-state {
 		pins = "gpio1";

-- 
2.47.3