DT: MIPS: ralink: add RT3883 dts files

Add a dtsi file for RT3883 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/5189/

4 files changed, 79 insertions, 0 deletions

diff --git a/arch/mips/ralink/Kconfig b/arch/mips/ralink/Kconfig
index 2f6fbb809e51..493411f5cd75 100644
--- a/arch/mips/ralink/Kconfig
+++ b/arch/mips/ralink/Kconfig
@@ -42,6 +42,10 @@ choice
                 bool "RT305x eval kit"
                 depends on SOC_RT305X
 
+        config DTB_RT3883_EVAL
+                bool "RT3883 eval kit"
+                depends on SOC_RT3883
+
 endchoice
 
 endif
diff --git a/arch/mips/ralink/dts/Makefile b/arch/mips/ralink/dts/Makefile
index f635a010193f..040a986de32c 100644
--- a/arch/mips/ralink/dts/Makefile
+++ b/arch/mips/ralink/dts/Makefile
@@ -1,2 +1,3 @@
 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
diff --git a/arch/mips/ralink/dts/rt3883.dtsi b/arch/mips/ralink/dts/rt3883.dtsi
new file mode 100644
index 000000000000..3b131dd0d5ac
--- /dev/null
+++ b/arch/mips/ralink/dts/rt3883.dtsi
@@ -0,0 +1,58 @@
+/ {
+        #address-cells = <1>;
+        #size-cells = <1>;
+        compatible = "ralink,rt3883-soc";
+
+        cpus {
+                cpu@0 {
+                        compatible = "mips,mips74Kc";
+                };
+        };
+
+        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,rt3883-sysc", "ralink,rt3050-sysc";
+                        reg = <0x0 0x100>;
+                };
+
+                intc: intc@200 {
+                        compatible = "ralink,rt3883-intc", "ralink,rt2880-intc";
+                        reg = <0x200 0x100>;
+
+                        interrupt-controller;
+                        #interrupt-cells = <1>;
+
+                        interrupt-parent = <&cpuintc>;
+                        interrupts = <2>;
+                };
+
+                memc@300 {
+                        compatible = "ralink,rt3883-memc", "ralink,rt3050-memc";
+                        reg = <0x300 0x100>;
+                };
+
+                uartlite@c00 {
+                        compatible = "ralink,rt3883-uart", "ralink,rt2880-uart", "ns16550a";
+                        reg = <0xc00 0x100>;
+
+                        interrupt-parent = <&intc>;
+                        interrupts = <12>;
+
+                        reg-shift = <2>;
+                };
+        };
+};
diff --git a/arch/mips/ralink/dts/rt3883_eval.dts b/arch/mips/ralink/dts/rt3883_eval.dts
new file mode 100644
index 000000000000..2fa6b330bf4f
--- /dev/null
+++ b/arch/mips/ralink/dts/rt3883_eval.dts
@@ -0,0 +1,16 @@
+/dts-v1/;
+
+/include/ "rt3883.dtsi"
+
+/ {
+        compatible = "ralink,rt3883-eval-board", "ralink,rt3883-soc";
+        model = "Ralink RT3883 evaluation board";
+
+        memory@0 {
+                reg = <0x0 0x2000000>;
+        };
+
+        chosen {
+                bootargs = "console=ttyS0,57600";
+        };
+};