arm: add initial support for the Phytium Pomelo Board
This adds platform code and the device tree for the Phytium Pomelo Board.
The initial support comprises the UART and the PCIE.
Signed-off-by: weichangzheng <nicholas_zheng@outlook.com>
diff --git a/arch/arm/dts/phytium-pomelo.dts b/arch/arm/dts/phytium-pomelo.dts
new file mode 100644
index 0000000..3f809c0
--- /dev/null
+++ b/arch/arm/dts/phytium-pomelo.dts
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * dts file for Phytium Pomelo board
+ * Copyright (C) 2021, Phytium Ltd.
+ * lixinde <lixinde@phytium.com.cn>
+ * weichangzheng <weichangzheng@phytium.com.cn>
+ */
+/dts-v1/;
+
+/ {
+ model = "Phytium Pomelo Board";
+ compatible = "phytium,d2000-pomelo", "phytium,d2000";
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ sysclk_48mhz: clk48mhz {
+ compatible = "fixed-clock";
+ #clock-cells = <0x0>;
+ clock-frequency = <48000000>;
+ clock-output-names = "sysclk_48mhz";
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ uart0: serial@28001000 {
+ compatible = "arm,pl011", "arm,primecell";
+ reg = <0x0 0x28001000 0x0 0x1000>;
+ clocks = <&sysclk_48mhz>;
+ };
+
+ pcie@40000000 {
+ compatible = "pci-host-ecam-generic";
+ device_type = "pci";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ reg = <0x0 0x40000000 0x0 0x10000000>;
+ ranges = <0x01000000 0x00 0x00000000 0x0 0x50000000 0x0 0x00F00000>,
+ <0x02000000 0x00 0x58000000 0x0 0x58000000 0x0 0x28000000>,
+ <0x43000000 0x10 0x00000000 0x10 0x00000000 0x10 0x00000000>;
+ };
+ };
+};