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/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@a94000 {
 			};
 		};
 
+		refgen: regulator@ff1000 {
+			compatible = "qcom,sc7180-refgen-regulator",
+				     "qcom,sdm845-refgen-regulator";
+			reg = <0x0 0x00ff1000 0x0 0x60>;
+		};
+
 		config_noc: interconnect@1500000 {
 			compatible = "qcom,sc7180-config-noc";
 			reg = <0 0x01500000 0 0x28000>;
@@ -3332,6 +3338,8 @@ mdss_dsi0: dsi@ae94000 {
 
 				phys = <&mdss_dsi0_phy>;
 
+				refgen-supply = <&refgen>;
+
 				#address-cells = <1>;
 				#size-cells = <0>;
 

-- 
2.47.3