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/sm8250.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
index 50dd11432bb2e8d4e9c811b31192331c424f205c..8248ac3119f12919d4988f4bec34fed7139e13e6 100644
--- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
@@ -3901,6 +3901,11 @@ usb_2_hsphy: phy@88e4000 {
 			resets = <&gcc GCC_QUSB2PHY_SEC_BCR>;
 		};
 
+		refgen: regulator@88e7000 {
+			compatible = "qcom,sm8250-refgen-regulator";
+			reg = <0x0 0x088e7000 0x0 0x84>;
+		};
+
 		usb_1_qmpphy: phy@88e8000 {
 			compatible = "qcom,sm8250-qmp-usb3-dp-phy";
 			reg = <0 0x088e8000 0 0x3000>;
@@ -4873,6 +4878,8 @@ mdss_dsi0: dsi@ae94000 {
 
 				phys = <&mdss_dsi0_phy>;
 
+				refgen-supply = <&refgen>;
+
 				status = "disabled";
 
 				#address-cells = <1>;
@@ -4967,6 +4974,8 @@ mdss_dsi1: dsi@ae96000 {
 
 				phys = <&mdss_dsi1_phy>;
 
+				refgen-supply = <&refgen>;
+
 				status = "disabled";
 
 				#address-cells = <1>;

-- 
2.47.3