ARM: rockchip: Add rv1108-elgin-r1 board support

Add the initial support for Elgin R1 board, which is based on the
RV1108 SoC and has the following features currently supported in
U-Boot:

- UART
- eMMC
- USB

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 949ee47..dc6f6b2 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -53,6 +53,7 @@
 	rk3399-puma-ddr1600.dtb \
 	rk3399-puma-ddr1866.dtb \
 	rk3399-rock960.dtb \
+	rv1108-elgin-r1.dtb \
 	rv1108-evb.dtb
 dtb-$(CONFIG_ARCH_MESON) += \
 	meson-gxbb-nanopi-k2.dtb \
diff --git a/arch/arm/dts/rv1108-elgin-r1.dts b/arch/arm/dts/rv1108-elgin-r1.dts
new file mode 100644
index 0000000..32b9594
--- /dev/null
+++ b/arch/arm/dts/rv1108-elgin-r1.dts
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2016 Rockchip Electronics Co., Ltd
+ */
+
+/dts-v1/;
+
+#include "rv1108.dtsi"
+
+/ {
+	model = "Elgin RV1108 R1 board";
+	compatible = "elgin,rv1108-elgin", "rockchip,rv1108";
+
+	memory@60000000 {
+		device_type = "memory";
+		reg = <0x60000000 0x08000000>;
+	};
+
+	chosen {
+		stdout-path = "serial2:1500000n8";
+	};
+};
+
+&emmc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
+	bus-width = <8>;
+	cap-mmc-highspeed;
+	disable-wp;
+	non-removable;
+	status = "okay";
+};
+
+&u2phy {
+	status = "okay";
+
+	u2phy_otg: otg-port {
+		status = "okay";
+	};
+};
+
+&uart2 {
+	status = "okay";
+};
+
+&usb20_otg {
+	status = "okay";
+};
diff --git a/arch/arm/mach-rockchip/rv1108/Kconfig b/arch/arm/mach-rockchip/rv1108/Kconfig
index e6cba66..8883aea 100644
--- a/arch/arm/mach-rockchip/rv1108/Kconfig
+++ b/arch/arm/mach-rockchip/rv1108/Kconfig
@@ -17,6 +17,11 @@
 	   * 10/100 Mbps Ethernet
 	   * camera interface compatible with imx323 / ov2710 / ov4689
 
+config TARGET_ELGIN_RV1108
+	bool "ELGIN_RV1108"
+	help
+	  RV1108 ELGIN is a board based on the Rockchip RV1108.
+
 config SYS_SOC
 	default "rockchip"
 
@@ -24,5 +29,6 @@
 	default 0x400
 
 source board/rockchip/evb_rv1108/Kconfig
+source board/elgin/elgin_rv1108/Kconfig
 
 endif