ARM: dts: rmobile: Synchronize Gen3 DTs with Linux 5.2

Backport and squash below Linux 5.2 commits for R-Car Gen3:

Commit id       * Summary line
6fffb98645e67b5   arm64: dts: renesas: r8a77990: ebisu: Add GPIO expander
b068ed6efe6244d   arm64: dts: renesas: r8a77990: Fix SPDX license identifier style
96c25882252704d ! arm64: dts: renesas: r8a7796: remove unneeded sound #address/size-cells
71ac75dffdae2f8   arm64: dts: renesas: r8a77990: ebisu: Enable LVDS1 encoder
9a0ff5c727b60a3   arm64: dts: renesas: r8a77995: draak: Enable LVDS1 encoder
9130c15829846fa   arm64: dts: renesas: ebisu: Fix adv7482 hexadecimal register address
191f7dcd1f5ea1f   arm64: dts: renesas: r8a77965: add SSIU support for sound
a8f6110e64422d5   arm64: dts: renesas: ebisu: Enable VIN5
4162aa9db3d4469   arm64: dts: renesas: r8a77995: draak: Enable CAN0, CAN1
af965ba3248edde   arm64: dts: renesas: r8a77990: Remove invalid compatible value for CSI40
1f4c123a98098cc   arm64: dts: renesas: r8a77990-ebisu: Add BD9571 PMIC
474706117c2baa6   arm64: dts: renesas: ebisu: Add PMIC DDR0 Backup Power config
e2fa79de7ecbef4   arm64: dts: renesas: Update Ebisu and Draak bootargs
de8e8daaf7190ef   arm64: dts: renesas: salvator-common: Sort node label
05f1d882d28b871   arm64: dts: renesas: r8a77995: draak: Fix EthernetAVB phy mode to rgmii
7a516e49d975311   arm64: dts: renesas: use extended audio dmac register
e3414b8c45afa5c   arm64: dts: renesas: salvator-common: Add GPIO keys support
720066d17c973fd   arm64: dts: renesas: r8a7795: Add CMT device nodes
99cb95103e2d058   arm64: dts: renesas: r8a77965: Add CMT device nodes
28a5c61b5136d58   arm64: dts: renesas: r8a77990: Add CMT device nodes
32d622f3290b2a1   arm64: dts: renesas: r8a77965: Remove reg-names of display node

(*) Patch id mismatch between Linux and U-Boot commit.
[!] Dropped changes in arch/arm64/boot/dts/renesas/r8a7796-salvator-xs.dts,
    since the file doesn't exist in the U-Boot tree.

Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>

1 files changed, 50 insertions, 3 deletions

diff --git a/arch/arm/dts/r8a77990-ebisu.dts b/arch/arm/dts/r8a77990-ebisu.dts
index 144c0820cf6..c7277258995 100644
--- a/arch/arm/dts/r8a77990-ebisu.dts
+++ b/arch/arm/dts/r8a77990-ebisu.dts
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Device Tree Source for the ebisu board
  *
@@ -19,7 +19,7 @@
 	};
 
 	chosen {
-		bootargs = "ignore_loglevel";
+		bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
 		stdout-path = "serial0:115200n8";
 	};
 
@@ -337,6 +337,15 @@
 &i2c0 {
 	status = "okay";
 
+	io_expander: gpio@20 {
+		compatible = "onnn,pca9654";
+		reg = <0x20>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-parent = <&gpio2>;
+		interrupts = <22 IRQ_TYPE_LEVEL_LOW>;
+	};
+
 	hdmi-encoder@39 {
 		compatible = "adi,adv7511w";
 		reg = <0x39>;
@@ -398,7 +407,7 @@
 		};
 
 		port@a {
-			reg = <0xa>;
+			reg = <10>;
 
 			adv7482_txa: endpoint {
 				clock-lanes = <0>;
@@ -440,6 +449,28 @@
 	};
 };
 
+&i2c_dvfs {
+	status = "okay";
+
+	clock-frequency = <400000>;
+
+	pmic: pmic@30 {
+		pinctrl-0 = <&irq0_pins>;
+		pinctrl-names = "default";
+
+		compatible = "rohm,bd9571mwv";
+		reg = <0x30>;
+		interrupt-parent = <&intc_ex>;
+		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		rohm,ddr-backup-power = <0x1>;
+		rohm,rstbmode-level;
+	};
+};
+
 &lvds0 {
 	status = "okay";
 
@@ -458,6 +489,13 @@
 };
 
 &lvds1 {
+	/*
+	 * Even though the LVDS1 output is not connected, the encoder must be
+	 * enabled to supply a pixel clock to the DU for the DPAD output when
+	 * LVDS0 is in use.
+	 */
+	status = "okay";
+
 	clocks = <&cpg CPG_MOD 727>,
 		 <&x13_clk>,
 		 <&extal_clk>;
@@ -495,6 +533,11 @@
 		function = "du";
 	};
 
+	irq0_pins: irq0 {
+		groups = "intc_ex_irq0";
+		function = "intc_ex";
+	};
+
 	pwm3_pins: pwm3 {
 		groups = "pwm3_b";
 		function = "pwm3";
@@ -650,6 +693,10 @@
 	status = "okay";
 };
 
+&vin5 {
+	status = "okay";
+};
+
 &xhci0 {
 	pinctrl-0 = <&usb30_pins>;
 	pinctrl-names = "default";