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/

diff --git a/arch/mips/ralink/Kconfig b/arch/mips/ralink/Kconfig
index 2f6fbb809e51e764d9489b2f93de6710550001f7..493411f5cd75cb77f411114ae38899be7252e3e0 100644 (file)
--- 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 f635a010193f0faf07b41afb37e94961c0175886..040a986de32c1b7c2d13c4688e3230edd8b63a7e 100644 (file)
--- 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 (file)
index 0000000..3b131dd
--- /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 (file)
index 0000000..2fa6b33
--- /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";
+       };
+};