mips: ath79: Add AR934x support
Add support for the Atheros AR934x WiSoCs. This patchs adds complete
system init, including PLL and DRAM init, both of which happen from
full C environment, since the AR934x has proper SRAM.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Cc: Wills Wang <wills.wang@live.com>
diff --git a/arch/mips/dts/ar934x.dtsi b/arch/mips/dts/ar934x.dtsi
new file mode 100644
index 0000000..7a036a8
--- /dev/null
+++ b/arch/mips/dts/ar934x.dtsi
@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2016 Marek Vasut <marex@denx.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include "skeleton.dtsi"
+
+/ {
+ compatible = "qca,ar934x";
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "mips,mips74Kc";
+ reg = <0>;
+ };
+ };
+
+ clocks {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ xtal: xtal {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-output-names = "xtal";
+ };
+ };
+
+ ahb {
+ compatible = "simple-bus";
+ ranges;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ apb {
+ compatible = "simple-bus";
+ ranges;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ ehci0: ehci@1b000100 {
+ compatible = "generic-ehci";
+ reg = <0x1b000100 0x100>;
+
+ status = "disabled";
+ };
+
+ uart0: uart@18020000 {
+ compatible = "ns16550";
+ reg = <0x18020000 0x20>;
+ reg-shift = <2>;
+
+ status = "disabled";
+ };
+
+ gmac0: eth@0x19000000 {
+ compatible = "qca,ag934x-mac";
+ reg = <0x19000000 0x200>;
+ phy = <&phy0>;
+ phy-mode = "rgmii";
+
+ status = "disabled";
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ phy0: ethernet-phy@0 {
+ reg = <0>;
+ };
+ };
+ };
+
+ gmac1: eth@0x1a000000 {
+ compatible = "qca,ag934x-mac";
+ reg = <0x1a000000 0x200>;
+ phy = <&phy1>;
+ phy-mode = "rgmii";
+
+ status = "disabled";
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ phy1: ethernet-phy@0 {
+ reg = <0>;
+ };
+ };
+ };
+ };
+
+ spi0: spi@1f000000 {
+ compatible = "qca,ar7100-spi";
+ reg = <0x1f000000 0x10>;
+
+ status = "disabled";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ };
+};