DT: MIPS: ralink: add MT7620A dts files

Add a dtsi file for MT7620A SoC and a sample dts file.

Signed-off-by: John Crispin <blogic@openwrt.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Patchwork: http://patchwork.linux-mips.org/patch/5190/

4 files changed, 79 insertions, 0 deletions

diff --git a/arch/mips/ralink/Kconfig b/arch/mips/ralink/Kconfig
index 493411f5cd75..026e823d871d 100644
--- a/arch/mips/ralink/Kconfig
+++ b/arch/mips/ralink/Kconfig
@@ -46,6 +46,10 @@ choice
                 bool "RT3883 eval kit"
                 depends on SOC_RT3883
 
+        config DTB_MT7620A_EVAL
+                bool "MT7620A eval kit"
+                depends on SOC_MT7620
+
 endchoice
 
 endif
diff --git a/arch/mips/ralink/dts/Makefile b/arch/mips/ralink/dts/Makefile
index 040a986de32c..18194fa93e80 100644
--- a/arch/mips/ralink/dts/Makefile
+++ b/arch/mips/ralink/dts/Makefile
@@ -1,3 +1,4 @@
 obj-$(CONFIG_DTB_RT2880_EVAL) := rt2880_eval.dtb.o
 obj-$(CONFIG_DTB_RT305X_EVAL) := rt3052_eval.dtb.o
 obj-$(CONFIG_DTB_RT3883_EVAL) := rt3883_eval.dtb.o
+obj-$(CONFIG_DTB_MT7620A_EVAL) := mt7620a_eval.dtb.o
diff --git a/arch/mips/ralink/dts/mt7620a.dtsi b/arch/mips/ralink/dts/mt7620a.dtsi
new file mode 100644
index 000000000000..08bf24fefe9f
--- /dev/null
+++ b/arch/mips/ralink/dts/mt7620a.dtsi
@@ -0,0 +1,58 @@
+/ {
+        #address-cells = <1>;
+        #size-cells = <1>;
+        compatible = "ralink,mtk7620a-soc";
+
+        cpus {
+                cpu@0 {
+                        compatible = "mips,mips24KEc";
+                };
+        };
+
+        cpuintc: cpuintc@0 {
+                #address-cells = <0>;
+                #interrupt-cells = <1>;
+                interrupt-controller;
+                compatible = "mti,cpu-interrupt-controller";
+        };
+
+        palmbus@10000000 {
+                compatible = "palmbus";
+                reg = <0x10000000 0x200000>;
+                ranges = <0x0 0x10000000 0x1FFFFF>;
+
+                #address-cells = <1>;
+                #size-cells = <1>;
+
+                sysc@0 {
+                        compatible = "ralink,mt7620a-sysc";
+                        reg = <0x0 0x100>;
+                };
+
+                intc: intc@200 {
+                        compatible = "ralink,mt7620a-intc", "ralink,rt2880-intc";
+                        reg = <0x200 0x100>;
+
+                        interrupt-controller;
+                        #interrupt-cells = <1>;
+
+                        interrupt-parent = <&cpuintc>;
+                        interrupts = <2>;
+                };
+
+                memc@300 {
+                        compatible = "ralink,mt7620a-memc", "ralink,rt3050-memc";
+                        reg = <0x300 0x100>;
+                };
+
+                uartlite@c00 {
+                        compatible = "ralink,mt7620a-uart", "ralink,rt2880-uart", "ns16550a";
+                        reg = <0xc00 0x100>;
+
+                        interrupt-parent = <&intc>;
+                        interrupts = <12>;
+
+                        reg-shift = <2>;
+                };
+        };
+};
diff --git a/arch/mips/ralink/dts/mt7620a_eval.dts b/arch/mips/ralink/dts/mt7620a_eval.dts
new file mode 100644
index 000000000000..35eb874ab7f1
--- /dev/null
+++ b/arch/mips/ralink/dts/mt7620a_eval.dts
@@ -0,0 +1,16 @@
+/dts-v1/;
+
+/include/ "mt7620a.dtsi"
+
+/ {
+        compatible = "ralink,mt7620a-eval-board", "ralink,mt7620a-soc";
+        model = "Ralink MT7620A evaluation board";
+
+        memory@0 {
+                reg = <0x0 0x2000000>;
+        };
+
+        chosen {
+                bootargs = "console=ttyS0,57600";
+        };
+};