linux-kernel - [PATCH 03/14] arm64: dts: qcom: lemans: add refgen regulator and use it for DSI

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Message-Id: <20250921-refgen-v1-3-9d93e64133ea@oss.qualcomm.com>
Date: Sun, 21 Sep 2025 10:09:19 +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 03/14] arm64: dts: qcom: lemans: 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/lemans.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/lemans.dtsi b/arch/arm64/boot/dts/qcom/lemans.dtsi
index 7b5f0b4d1be75d1aa757069522bbcf20898a321e..b9607cfa117c8a5d71105c7787a8db79d36cc842 100644
--- a/arch/arm64/boot/dts/qcom/lemans.dtsi
+++ b/arch/arm64/boot/dts/qcom/lemans.dtsi
@@ -3975,6 +3975,12 @@ usb_1_qmpphy: phy@...a000 {
 			status = "disabled";
 		};
 
+		refgen: regulator@...c000 {
+			compatible = "qcom,sa8775p-refgen-regulator",
+				     "qcom,sm8250-refgen-regulator";
+			reg = <0x0 0x0891c000 0x0 0x84>;
+		};
+
 		usb_0: usb@...0000 {
 			compatible = "qcom,sa8775p-dwc3", "qcom,snps-dwc3";
 			reg = <0 0x0a600000 0 0xfc100>;
@@ -4899,6 +4905,8 @@ mdss0_dsi0: dsi@...4000 {
 				operating-points-v2 = <&mdss_dsi_opp_table>;
 				power-domains = <&rpmhpd SA8775P_MMCX>;
 
+				refgen-supply = <&refgen>;
+
 				#address-cells = <1>;
 				#size-cells = <0>;
 
@@ -4981,6 +4989,8 @@ mdss0_dsi1: dsi@...6000 {
 				operating-points-v2 = <&mdss_dsi_opp_table>;
 				power-domains = <&rpmhpd SA8775P_MMCX>;
 
+				refgen-supply = <&refgen>;
+
 				#address-cells = <1>;
 				#size-cells = <0>;
 

-- 
2.47.3