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

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.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@88ea000 {
 			status = "disabled";
 		};
 
+		refgen: regulator@891c000 {
+			compatible = "qcom,sa8775p-refgen-regulator",
+				     "qcom,sm8250-refgen-regulator";
+			reg = <0x0 0x0891c000 0x0 0x84>;
+		};
+
 		usb_0: usb@a600000 {
 			compatible = "qcom,sa8775p-dwc3", "qcom,snps-dwc3";
 			reg = <0 0x0a600000 0 0xfc100>;
@@ -4899,6 +4905,8 @@ mdss0_dsi0: dsi@ae94000 {
 				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@ae96000 {
 				operating-points-v2 = <&mdss_dsi_opp_table>;
 				power-domains = <&rpmhpd SA8775P_MMCX>;
 
+				refgen-supply = <&refgen>;
+
 				#address-cells = <1>;
 				#size-cells = <0>;
 

-- 
2.47.3