linux-kernel - [PATCH 11/14] arm64: dts: qcom: sm8250: add refgen regulator and use it for DSI

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Message-Id: <20250921-refgen-v1-11-9d93e64133ea@oss.qualcomm.com>
Date: Sun, 21 Sep 2025 10:09:27 +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 11/14] arm64: dts: qcom: sm8250: add refgen regulator and
 use it for DSI

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

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
---
 arch/arm64/boot/dts/qcom/sm8250.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
index 50dd11432bb2e8d4e9c811b31192331c424f205c..8248ac3119f12919d4988f4bec34fed7139e13e6 100644
--- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
@@ -3901,6 +3901,11 @@ usb_2_hsphy: phy@...4000 {
 			resets = <&gcc GCC_QUSB2PHY_SEC_BCR>;
 		};
 
+		refgen: regulator@...7000 {
+			compatible = "qcom,sm8250-refgen-regulator";
+			reg = <0x0 0x088e7000 0x0 0x84>;
+		};
+
 		usb_1_qmpphy: phy@...8000 {
 			compatible = "qcom,sm8250-qmp-usb3-dp-phy";
 			reg = <0 0x088e8000 0 0x3000>;
@@ -4873,6 +4878,8 @@ mdss_dsi0: dsi@...4000 {
 
 				phys = <&mdss_dsi0_phy>;
 
+				refgen-supply = <&refgen>;
+
 				status = "disabled";
 
 				#address-cells = <1>;
@@ -4967,6 +4974,8 @@ mdss_dsi1: dsi@...6000 {
 
 				phys = <&mdss_dsi1_phy>;
 
+				refgen-supply = <&refgen>;
+
 				status = "disabled";
 
 				#address-cells = <1>;

-- 
2.47.3