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From:   Joel Selvaraj <jo@jsfamily.in>
To:     Sumit Semwal <sumit.semwal@linaro.org>,
        Thierry Reding <thierry.reding@gmail.com>,
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        Joel Selvaraj <jo@jsfamily.in>
Subject: [PATCH 3/3] arm64: dts: qcom: sdm845-xiaomi-beryllium: enable qcom wled backlight and link to panel
Date:   Wed, 30 Mar 2022 12:26:39 +0530
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Xiaomi Poco F1 uses the QCOM WLED driver for backlight control.
Enable and link it to the panel to use it.

Signed-off-by: Joel Selvaraj <jo@jsfamily.in>
---
 .../arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts
index 798fc72578a7..3ebb0f9905d3 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts
@@ -231,6 +231,7 @@ panel@0 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 
+		backlight = <&pmi8998_wled>;
 		reset-gpios = <&tlmm 6 GPIO_ACTIVE_LOW>;
 
 		port {
@@ -314,6 +315,18 @@ vol_up_pin_a: vol-up-active {
 	};
 };
 
+&pmi8998_wled {
+	status = "okay";
+	qcom,current-boost-limit = <970>;
+	qcom,ovp-millivolt = <29600>;
+	qcom,current-limit-microamp = <20000>;
+	qcom,enabled-strings = <0 1>;
+	qcom,num-strings = <2>;
+	qcom,switching-freq = <600>;
+	qcom,external-pfet;
+	qcom,cabc;
+};
+
 &pm8998_pon {
 	resin {
 		compatible = "qcom,pm8941-resin";
-- 
2.35.1