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/sdm670.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm670.dtsi b/arch/arm64/boot/dts/qcom/sdm670.dtsi
index c33f3de779f6ef457a3336fa4fbe39175c378cce..c3264a31bccf25fca9eae7fa7734ff43c9db410a 100644
--- a/arch/arm64/boot/dts/qcom/sdm670.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm670.dtsi
@@ -1124,6 +1124,12 @@ i2c15: i2c@a9c000 {
 			};
 		};
 
+		refgen: regulator@ff1000 {
+			compatible = "qcom,sdm670-refgen-regulator",
+				     "qcom,sdm845-refgen-regulator";
+			reg = <0x0 0x00ff1000 0x0 0x60>;
+		};
+
 		mem_noc: interconnect@1380000 {
 			compatible = "qcom,sdm670-mem-noc";
 			reg = <0 0x01380000 0 0x27200>;
@@ -1926,6 +1932,8 @@ mdss_dsi0: dsi@ae94000 {
 
 				phys = <&mdss_dsi0_phy>;
 
+				refgen-supply = <&refgen>;
+
 				#address-cells = <1>;
 				#size-cells = <0>;
 
@@ -2000,6 +2008,8 @@ mdss_dsi1: dsi@ae96000 {
 
 				phys = <&mdss_dsi1_phy>;
 
+				refgen-supply = <&refgen>;
+
 				#address-cells = <1>;
 				#size-cells = <0>;
 

-- 
2.47.3