DT: MIPS: ralink: add RT2880 dts files

Add a dtsi file for RT2880 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/5188/

diff --git a/arch/mips/ralink/Kconfig b/arch/mips/ralink/Kconfig
index 86f6c77605361b49926ed33d3b4b880404fddd1c..2f6fbb809e51e764d9489b2f93de6710550001f7 100644 (file)
--- a/arch/mips/ralink/Kconfig
+++ b/arch/mips/ralink/Kconfig
@@ -34,6 +34,10 @@ choice
        config DTB_RT_NONE
                bool "None"
 
+       config DTB_RT2880_EVAL
+               bool "RT2880 eval kit"
+               depends on SOC_RT288X
+
        config DTB_RT305X_EVAL
                bool "RT305x eval kit"
                depends on SOC_RT305X

diff --git a/arch/mips/ralink/dts/Makefile b/arch/mips/ralink/dts/Makefile
index 1a69fb300955391b30f56e64e93850769774d1aa..f635a010193f0faf07b41afb37e94961c0175886 100644 (file)
--- a/arch/mips/ralink/dts/Makefile
+++ b/arch/mips/ralink/dts/Makefile
@@ -1 +1,2 @@
+obj-$(CONFIG_DTB_RT2880_EVAL) := rt2880_eval.dtb.o
 obj-$(CONFIG_DTB_RT305X_EVAL) := rt3052_eval.dtb.o

diff --git a/arch/mips/ralink/dts/rt2880.dtsi b/arch/mips/ralink/dts/rt2880.dtsi
new file mode 100644 (file)
index 0000000..182afde
--- /dev/null
+++ b/arch/mips/ralink/dts/rt2880.dtsi
@@ -0,0 +1,58 @@
+/ {
+       #address-cells = <1>;
+       #size-cells = <1>;
+       compatible = "ralink,rt2880-soc";
+
+       cpus {
+               cpu@0 {
+                       compatible = "mips,mips4KEc";
+               };
+       };
+
+       cpuintc: cpuintc@0 {
+               #address-cells = <0>;
+               #interrupt-cells = <1>;
+               interrupt-controller;
+               compatible = "mti,cpu-interrupt-controller";
+       };
+
+       palmbus@300000 {
+               compatible = "palmbus";
+               reg = <0x300000 0x200000>;
+                ranges = <0x0 0x300000 0x1FFFFF>;
+
+               #address-cells = <1>;
+               #size-cells = <1>;
+
+               sysc@0 {
+                       compatible = "ralink,rt2880-sysc";
+                       reg = <0x0 0x100>;
+               };
+
+               intc: intc@200 {
+                       compatible = "ralink,rt2880-intc";
+                       reg = <0x200 0x100>;
+
+                       interrupt-controller;
+                       #interrupt-cells = <1>;
+
+                       interrupt-parent = <&cpuintc>;
+                       interrupts = <2>;
+               };
+
+               memc@300 {
+                       compatible = "ralink,rt2880-memc";
+                       reg = <0x300 0x100>;
+               };
+
+               uartlite@c00 {
+                       compatible = "ralink,rt2880-uart", "ns16550a";
+                       reg = <0xc00 0x100>;
+
+                       interrupt-parent = <&intc>;
+                       interrupts = <8>;
+
+                       reg-shift = <2>;
+               };
+       };
+};

diff --git a/arch/mips/ralink/dts/rt2880_eval.dts b/arch/mips/ralink/dts/rt2880_eval.dts
new file mode 100644 (file)
index 0000000..322d700
--- /dev/null
+++ b/arch/mips/ralink/dts/rt2880_eval.dts
@@ -0,0 +1,46 @@
+/dts-v1/;
+
+/include/ "rt2880.dtsi"
+
+/ {
+       compatible = "ralink,rt2880-eval-board", "ralink,rt2880-soc";
+       model = "Ralink RT2880 evaluation board";
+
+       memory@0 {
+               reg = <0x8000000 0x2000000>;
+       };
+
+       chosen {
+               bootargs = "console=ttyS0,57600";
+       };
+
+       cfi@1f000000 {
+               compatible = "cfi-flash";
+               reg = <0x1f000000 0x400000>;
+
+               bank-width = <2>;
+               device-width = <2>;
+               #address-cells = <1>;
+               #size-cells = <1>;
+
+               partition@0 {
+                       label = "uboot";
+                       reg = <0x0 0x30000>;
+                       read-only;
+               };
+               partition@30000 {
+                       label = "uboot-env";
+                       reg = <0x30000 0x10000>;
+                       read-only;
+               };
+               partition@40000 {
+                       label = "calibration";
+                       reg = <0x40000 0x10000>;
+                       read-only;
+               };
+               partition@50000 {
+                       label = "linux";
+                       reg = <0x50000 0x3b0000>;
+               };
+       };
+};