dtb: amd: Add support for new AMD Overdrive boards

Add device tree files for AMD Overdrive boards which comes with
AMD Seattle Revision B0 and B1 SOCs.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm64/boot/dts/amd/Makefile

-dtb-$(CONFIG_ARCH_SEATTLE) += amd-overdrive.dtb
+dtb-$(CONFIG_ARCH_SEATTLE) += amd-overdrive.dtb \
+			amd-overdrive-rev-b0.dtb amd-overdrive-rev-b1.dtb
 
 always		:= $(dtb-y)
 subdir-y	:= $(dts-dirs)

arch/arm64/boot/dts/amd/amd-overdrive-rev-b0.dts

+/*
+ * DTS file for AMD Seattle Overdrive Development Board
+ * Note: For Seattle Rev.B0
+ *
+ * Copyright (C) 2015 Advanced Micro Devices, Inc.
+ */
+
+/dts-v1/;
+
+/include/ "amd-seattle-soc.dtsi"
+
+/ {
+	model = "AMD Seattle (Rev.B0) Development Board (Overdrive)";
+	compatible = "amd,seattle-overdrive", "amd,seattle";
+
+	chosen {
+		stdout-path = &serial0;
+	};
+
+	psci {
+		compatible   = "arm,psci-0.2";
+		method       = "smc";
+	};
+};
+
+&ccp0 {
+	status = "ok";
+	amd,zlib-support = <1>;
+};
+
+/**
+ * NOTE: In Rev.B, gpio0 is reserved.
+ */
+&gpio1 {
+	status = "ok";
+};
+
+&gpio2 {
+	status = "ok";
+};
+
+&gpio3 {
+	status = "ok";
+};
+
+&gpio4 {
+	status = "ok";
+};
+
+&i2c0 {
+	status = "ok";
+};
+
+&i2c1 {
+	status = "ok";
+};
+
+&pcie0 {
+	status = "ok";
+};
+
+&spi0 {
+	status = "ok";
+};
+
+&spi1 {
+	status = "ok";
+	sdcard0: sdcard@0 {
+		compatible = "mmc-spi-slot";
+		reg = <0>;
+		spi-max-frequency = <20000000>;
+		voltage-ranges = <3200 3400>;
+		pl022,hierarchy = <0>;
+		pl022,interface = <0>;
+		pl022,com-mode = <0x0>;
+		pl022,rx-level-trig = <0>;
+		pl022,tx-level-trig = <0>;
+	};
+};
+
+&ipmi_kcs {
+	status = "ok";
+};
+
+&smb0 {
+	/include/ "amd-seattle-xgbe-b.dtsi"
+};

arch/arm64/boot/dts/amd/amd-overdrive-rev-b1.dts

+/*
+ * DTS file for AMD Seattle Overdrive Development Board
+ * Note: For Seattle Rev.B1
+ *
+ * Copyright (C) 2015 Advanced Micro Devices, Inc.
+ */
+
+/dts-v1/;
+
+/include/ "amd-seattle-soc.dtsi"
+
+/ {
+	model = "AMD Seattle (Rev.B1) Development Board (Overdrive)";
+	compatible = "amd,seattle-overdrive", "amd,seattle";
+
+	chosen {
+		stdout-path = &serial0;
+	};
+
+	psci {
+		compatible   = "arm,psci-0.2";
+		method       = "smc";
+	};
+};
+
+&ccp0 {
+	status = "ok";
+	amd,zlib-support = <1>;
+};
+
+/**
+ * NOTE: In Rev.B, gpio0 is reserved.
+ */
+&gpio1 {
+	status = "ok";
+};
+
+&gpio2 {
+	status = "ok";
+};
+
+&gpio3 {
+	status = "ok";
+};
+
+&gpio4 {
+	status = "ok";
+};
+
+&i2c0 {
+	status = "ok";
+};
+
+&i2c1 {
+	status = "ok";
+};
+
+&pcie0 {
+	status = "ok";
+};
+
+&sata1 {
+	status = "ok";
+};
+
+&spi0 {
+	status = "ok";
+};
+
+&spi1 {
+	status = "ok";
+	sdcard0: sdcard@0 {
+		compatible = "mmc-spi-slot";
+		reg = <0>;
+		spi-max-frequency = <20000000>;
+		voltage-ranges = <3200 3400>;
+		pl022,hierarchy = <0>;
+		pl022,interface = <0>;
+		pl022,com-mode = <0x0>;
+		pl022,rx-level-trig = <0>;
+		pl022,tx-level-trig = <0>;
+	};
+};
+
+&ipmi_kcs {
+	status = "ok";
+};
+
+&smb0 {
+	/include/ "amd-seattle-xgbe-b.dtsi"
+};