linux-kernel - [PATCH 05/14] arm64: dts: qcom: sc7280: add refgen regulator and use it for DSI

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Message-Id: <20250921-refgen-v1-5-9d93e64133ea@oss.qualcomm.com>
Date: Sun, 21 Sep 2025 10:09:21 +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 05/14] arm64: dts: qcom: sc7280: 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/sc7280.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 4b04dea57ec8cc652e37f1d93c410404adaadd5d..834596fc3fc0a7f9a7e60ac412d39d09c16d6550 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -3885,6 +3885,12 @@ usb_2_hsphy: phy@...4000 {
 			resets = <&gcc GCC_QUSB2PHY_SEC_BCR>;
 		};
 
+		refgen: regulator@...7000 {
+			compatible = "qcom,sc7280-refgen-regulator",
+				     "qcom,sm8250-refgen-regulator";
+			reg = <0x0 0x088e7000 0x0 0x84>;
+		};
+
 		usb_1_qmpphy: phy@...8000 {
 			compatible = "qcom,sc7280-qmp-usb3-dp-phy";
 			reg = <0 0x088e8000 0 0x3000>;
@@ -5074,6 +5080,8 @@ mdss_dsi: dsi@...4000 {
 
 				phys = <&mdss_dsi_phy>;
 
+				refgen-supply = <&refgen>;
+
 				#address-cells = <1>;
 				#size-cells = <0>;
 

-- 
2.47.3