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

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.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@88e4000 {
 			resets = <&gcc GCC_QUSB2PHY_SEC_BCR>;
 		};
 
+		refgen: regulator@88e7000 {
+			compatible = "qcom,sc7280-refgen-regulator",
+				     "qcom,sm8250-refgen-regulator";
+			reg = <0x0 0x088e7000 0x0 0x84>;
+		};
+
 		usb_1_qmpphy: phy@88e8000 {
 			compatible = "qcom,sc7280-qmp-usb3-dp-phy";
 			reg = <0 0x088e8000 0 0x3000>;
@@ -5074,6 +5080,8 @@ mdss_dsi: dsi@ae94000 {
 
 				phys = <&mdss_dsi_phy>;
 
+				refgen-supply = <&refgen>;
+
 				#address-cells = <1>;
 				#size-cells = <0>;
 

-- 
2.47.3