Merge tag 'renesas-arm64-dt2-for-v4.21' of...

Merge tag 'renesas-arm64-dt2-for-v4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt

Second Round of Renesas ARM64 Based SoC DT Updates for v4.21

* R-Car D3 (r8a77995) SoC based Draak board
  - Add the backlight device for the LVDS1 output

* R-Car H3 (r8a7795) ES1.0 SoC
  - Add missing power domains to IPMMU nodes

* R-Car M3-N (r8a77965) SoC
  - Remove non-existent IPMMU-IR

* tag 'renesas-arm64-dt2-for-v4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  arm64: dts: renesas: r8a77995: draak: Add backlight
  arm64: dts: renesas: r8a7795-es1: Add missing power domains to IPMMU nodes
  arm64: dts: renesas: r8a77965: Remove non-existent IPMMU-IR
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm64/boot/dts/renesas/r8a7795-es1.dtsi

@@ -28,6 +28,7 @@ ipmmu_mp1: mmu@ec680000 {
 		compatible = "renesas,ipmmu-r8a7795";
 		reg = <0 0xec680000 0 0x1000>;
 		renesas,ipmmu-main = <&ipmmu_mm 5>;
+		power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
 		#iommu-cells = <1>;
 	};
 
@@ -35,6 +36,7 @@ ipmmu_sy: mmu@e7730000 {
 		compatible = "renesas,ipmmu-r8a7795";
 		reg = <0 0xe7730000 0 0x1000>;
 		renesas,ipmmu-main = <&ipmmu_mm 8>;
+		power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
 		#iommu-cells = <1>;
 	};
 

arch/arm64/boot/dts/renesas/r8a77965.dtsi

@@ -795,14 +795,6 @@ ipmmu_hc: mmu@e6570000 {
 			#iommu-cells = <1>;
 		};
 
-		ipmmu_ir: mmu@ff8b0000 {
-			compatible = "renesas,ipmmu-r8a77965";
-			reg = <0 0xff8b0000 0 0x1000>;
-			renesas,ipmmu-main = <&ipmmu_mm 3>;
-			power-domains = <&sysc R8A77965_PD_A3IR>;
-			#iommu-cells = <1>;
-		};
-
 		ipmmu_mm: mmu@e67b0000 {
 			compatible = "renesas,ipmmu-r8a77965";
 			reg = <0 0xe67b0000 0 0x1000>;

arch/arm64/boot/dts/renesas/r8a77995-draak.dts

@@ -24,6 +24,17 @@ chosen {
 		stdout-path = "serial0:115200n8";
 	};
 
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm1 0 50000>;
+
+		brightness-levels = <256 128 64 16 8 4 0>;
+		default-brightness-level = <6>;
+
+		power-supply = <&reg_12p0v>;
+		enable-gpios = <&gpio4 0 GPIO_ACTIVE_HIGH>;
+	};
+
 	composite-in {
 		compatible = "composite-video-connector";
 
@@ -104,6 +115,15 @@ reg_3p3v: regulator1 {
 		regulator-always-on;
 	};
 
+	reg_12p0v: regulator1 {
+		compatible = "regulator-fixed";
+		regulator-name = "D12.0V";
+		regulator-min-microvolt = <12000000>;
+		regulator-max-microvolt = <12000000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
 	vga {
 		compatible = "vga-connector";