linux-kernel - [PATCH 04/14] arm64: dts: qcom: sc7180: add refgen regulator and use it for DSI

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Message-Id: <20250921-refgen-v1-4-9d93e64133ea@oss.qualcomm.com>
Date: Sun, 21 Sep 2025 10:09:20 +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 04/14] arm64: dts: qcom: sc7180: 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/sc7180.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index a0df10a97c7f8aa5cd468c8983e74256490d1d06..a47182994c564e036dba25c772454320dc41cc7c 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -1474,6 +1474,12 @@ uart11: serial@...000 {
 			};
 		};
 
+		refgen: regulator@...000 {
+			compatible = "qcom,sc7180-refgen-regulator",
+				     "qcom,sdm845-refgen-regulator";
+			reg = <0x0 0x00ff1000 0x0 0x60>;
+		};
+
 		config_noc: interconnect@...0000 {
 			compatible = "qcom,sc7180-config-noc";
 			reg = <0 0x01500000 0 0x28000>;
@@ -3332,6 +3338,8 @@ mdss_dsi0: dsi@...4000 {
 
 				phys = <&mdss_dsi0_phy>;
 
+				refgen-supply = <&refgen>;
+
 				#address-cells = <1>;
 				#size-cells = <0>;
 

-- 
2.47.3