linux-kernel - [PATCH 08/14] arm64: dts: qcom: sdm845: add refgen regulator and use it for DSI

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Message-Id: <20250921-refgen-v1-8-9d93e64133ea@oss.qualcomm.com>
Date: Sun, 21 Sep 2025 10:09:24 +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 08/14] arm64: dts: qcom: sdm845: 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/sdm845.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 13c9515260ef171121607e1b8434f64c4934720f..1c3a7371a2d371f78e13a5b0bc400f79c62d210b 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -2218,6 +2218,11 @@ uart15: serial@...000 {
 			};
 		};
 
+		refgen: regulator@...000 {
+			compatible = "qcom,sdm845-refgen-regulator";
+			reg = <0x0 0x00ff1000 0x0 0x60>;
+		};
+
 		llcc: system-cache-controller@...0000 {
 			compatible = "qcom,sdm845-llcc";
 			reg = <0 0x01100000 0 0x45000>, <0 0x01180000 0 0x50000>,
@@ -4750,6 +4755,8 @@ mdss_dsi0: dsi@...4000 {
 
 				phys = <&mdss_dsi0_phy>;
 
+				refgen-supply = <&refgen>;
+
 				status = "disabled";
 
 				#address-cells = <1>;
@@ -4824,6 +4831,8 @@ mdss_dsi1: dsi@...6000 {
 
 				phys = <&mdss_dsi1_phy>;
 
+				refgen-supply = <&refgen>;
+
 				status = "disabled";
 
 				#address-cells = <1>;

-- 
2.47.3