ARM: dts: rv1108: Add support for rv1108-elgin-r1 board

rv1108-elgin-r1 board is based on Rockchip RV1108 SoC.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

3 files changed, 212 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/arm/rockchip.yaml b/Documentation/devicetree/bindings/arm/rockchip.yaml
index b12958bda09c..d30fff4b4676 100644
--- a/Documentation/devicetree/bindings/arm/rockchip.yaml
+++ b/Documentation/devicetree/bindings/arm/rockchip.yaml
@@ -60,6 +60,11 @@ properties:
           - const: chipspark,rayeager-px2
           - const: rockchip,rk3066a
 
+      - description: Elgin RV1108 R1
+        items:
+          - const: elgin,rv1108-r1
+          - const: rockchip,rv1108
+
       - description: Firefly Firefly-RK3288
         items:
           - enum:
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index bd40148a15b2..d9a5649b322b 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -868,6 +868,7 @@ dtb-$(CONFIG_ARCH_RENESAS) += \
 	r9a06g032-rzn1d400-db.dtb \
 	sh73a0-kzm9g.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += \
+	rv1108-elgin-r1.dtb \
 	rv1108-evb.dtb \
 	rk3036-evb.dtb \
 	rk3036-kylin.dtb \
diff --git a/arch/arm/boot/dts/rv1108-elgin-r1.dts b/arch/arm/boot/dts/rv1108-elgin-r1.dts
new file mode 100644
index 000000000000..658057d871af
--- /dev/null
+++ b/arch/arm/boot/dts/rv1108-elgin-r1.dts
@@ -0,0 +1,206 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+/*
+ * Copyright (C) 2018 O.S. Systems Software LTDA.
+ */
+
+/dts-v1/;
+
+#include "rv1108.dtsi"
+
+/ {
+	model = "Elgin RV1108 R1 board";
+	compatible = "elgin,rv1108-r1", "rockchip,rv1108";
+
+	memory@60000000 {
+		device_type = "memory";
+		reg = <0x60000000 0x08000000>;
+	};
+
+	chosen {
+		stdout-path = "serial2:1500000n8";
+	};
+
+	vcc_sys: vsys-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vsys";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-boot-on;
+	};
+};
+
+&cpu0 {
+	cpu-supply = <&vdd_core>;
+};
+
+&emmc {
+	bus-width = <8>;
+	cap-mmc-highspeed;
+	disable-wp;
+	no-sd;
+	no-sdio;
+	non-removable;
+	mmc-ddr-1_8v;
+	mmc-hs200-1_8v;
+	pinctrl-names = "default";
+	pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
+	status = "okay";
+};
+
+&gmac {
+	clock_in_out = "output";
+	pinctrl-names = "default";
+	pinctrl-0 = <&rmii_pins>;
+	snps,reset-gpio = <&gpio1 RK_PC1 GPIO_ACTIVE_LOW>;
+	snps,reset-active-low;
+	status = "okay";
+};
+
+&i2c0 {
+	clock-frequency = <400000>;
+	i2c-scl-rising-time-ns = <275>;
+	i2c-scl-falling-time-ns = <16>;
+	status = "okay";
+
+	rk805: pmic@18 {
+		compatible = "rockchip,rk805";
+		reg = <0x18>;
+		interrupt-parent = <&gpio0>;
+		interrupts = <RK_PB4 IRQ_TYPE_LEVEL_LOW>;
+		rockchip,system-power-controller;
+
+		vcc1-supply = <&vcc_sys>;
+		vcc2-supply = <&vcc_sys>;
+		vcc3-supply = <&vcc_sys>;
+		vcc4-supply = <&vcc_sys>;
+		vcc5-supply = <&vcc_sys>;
+		vcc6-supply = <&vcc_sys>;
+
+		regulators {
+			vdd_core: DCDC_REG1 {
+				regulator-name= "vdd_core";
+				regulator-min-microvolt = <700000>;
+				regulator-max-microvolt = <1500000>;
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-state-mem {
+					regulator-state-enabled;
+					regulator-state-uv = <900000>;
+				};
+			};
+
+			vdd_cam: DCDC_REG2 {
+				regulator-name= "vdd_cam";
+				regulator-min-microvolt = <700000>;
+				regulator-max-microvolt = <2000000>;
+				regulator-state-mem {
+					regulator-state-disabled;
+				};
+			};
+
+			vcc_ddr: DCDC_REG3 {
+				regulator-name= "vcc_ddr";
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-state-mem {
+					regulator-state-enabled;
+				};
+			};
+
+			vcc_io: DCDC_REG4 {
+				regulator-name= "vcc_io";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-state-mem {
+					regulator-state-enabled;
+					regulator-state-uv = <3300000>;
+				};
+			};
+
+			vdd_10: LDO_REG1 {
+				regulator-name= "vdd_10";
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <1000000>;
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-state-mem {
+					regulator-state-disabled;
+				};
+			};
+
+			vcc_18: LDO_REG2 {
+				regulator-name= "vcc_18";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-state-mem {
+					regulator-state-disabled;
+				};
+			};
+
+			vdd10_pmu: LDO_REG3 {
+				regulator-name= "vdd10_pmu";
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <1000000>;
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-state-mem {
+					regulator-state-enabled;
+					regulator-state-uv = <1000000>;
+				};
+			};
+		};
+	};
+};
+
+&spi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spim1_clk &spim1_cs0 &spim1_tx &spim1_rx>;
+	status = "okay";
+
+	dh2228fv: dac@0 {
+		compatible = "rohm,dh2228fv";
+		reg = <0>;
+		spi-max-frequency = <24000000>;
+		spi-cpha;
+		spi-cpol;
+	};
+};
+
+&u2phy {
+	status = "okay";
+
+	u2phy_host: host-port {
+		status = "okay";
+	};
+
+	u2phy_otg: otg-port {
+		status = "okay";
+	};
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_xfer>;
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};
+
+&usb_host_ehci {
+	status = "okay";
+};
+
+&usb_host_ohci {
+	status = "okay";
+};
+
+&usb_otg {
+	status = "okay";
+};