linux-kernel - [PATCH 06/14] arm64: dts: qcom: sc8180x: add refgen regulator and use it for DSI

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Message-Id: <20250921-refgen-v1-6-9d93e64133ea@oss.qualcomm.com>
Date: Sun, 21 Sep 2025 10:09:22 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        cros-qcom-dts-watchers@...omium.org
Cc: linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: [PATCH 06/14] arm64: dts: qcom: sc8180x: add refgen regulator and
 use it for DSI

Add the refgen regulator block and use it for the DSI controllers.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
---
 arch/arm64/boot/dts/qcom/sc8180x.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc8180x.dtsi b/arch/arm64/boot/dts/qcom/sc8180x.dtsi
index 85c2afcb417def2be3d99026c7febd9f9db25da3..e3143a4a41c948cf4ddbf4b137a1323366566fdc 100644
--- a/arch/arm64/boot/dts/qcom/sc8180x.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc8180x.dtsi
@@ -2530,6 +2530,12 @@ usb_mp_hsphy1: phy@...5000 {
 			status = "disabled";
 		};
 
+		refgen: regulator@...7000 {
+			compatible = "qcom,sc8180x-refgen-regulator",
+				     "qcom,sdm845-refgen-regulator";
+			reg = <0x0 0x088e7000 0x0 0x60>;
+		};
+
 		usb_prim_qmpphy: phy@...8000 {
 			compatible = "qcom,sc8180x-qmp-usb3-dp-phy";
 			reg = <0 0x088e8000 0 0x3000>;
@@ -3116,6 +3122,8 @@ mdss_dsi0: dsi@...4000 {
 				phys = <&mdss_dsi0_phy>;
 				phy-names = "dsi";
 
+				refgen-supply = <&refgen>;
+
 				status = "disabled";
 
 				ports {
@@ -3203,6 +3211,8 @@ mdss_dsi1: dsi@...6000 {
 				phys = <&mdss_dsi1_phy>;
 				phy-names = "dsi";
 
+				refgen-supply = <&refgen>;
+
 				status = "disabled";
 
 				ports {

-- 
2.47.3