mips: xilfpga: Add device tree files

Mostly the same as the Kernel upstream device tree file except for

- alias for the serial console node
- ethernet node as the ethernet stuff isn't upstream on kernel.org yet
- uart clock-frequency passed directly in the node

Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
Reviewed-by: Paul Burton <paul.burton@imgtec.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>

diff --git a/arch/mips/dts/Makefile b/arch/mips/dts/Makefile
index 2f04d73b83ffc824cdadb4c903085bf6997698c3..5f311d40ca4b0456618370608d1aaf0997db983f 100644 (file)
--- a/arch/mips/dts/Makefile
+++ b/arch/mips/dts/Makefile
@@ -6,6 +6,7 @@ dtb-$(CONFIG_TARGET_AP121) += ap121.dtb
 dtb-$(CONFIG_TARGET_AP143) += ap143.dtb
 dtb-$(CONFIG_TARGET_MALTA) += mti,malta.dtb
 dtb-$(CONFIG_TARGET_PIC32MZDASK) += pic32mzda_sk.dtb
+dtb-$(CONFIG_TARGET_XILFPGA) += nexys4ddr.dtb
 dtb-$(CONFIG_BOARD_TPLINK_WDR4300) += tplink_wdr4300.dtb
 
 targets += $(dtb-y)

diff --git a/arch/mips/dts/microAptiv.dtsi b/arch/mips/dts/microAptiv.dtsi
new file mode 100644 (file)
index 0000000..81d518e
--- /dev/null
+++ b/arch/mips/dts/microAptiv.dtsi
@@ -0,0 +1,21 @@
+/ {
+       #address-cells = <1>;
+       #size-cells = <1>;
+       compatible = "img,xilfpga";
+
+       cpus {
+               #address-cells = <1>;
+               #size-cells = <0>;
+               cpu@0 {
+                       device_type = "cpu";
+                       compatible = "mips,m14Kc";
+                       clocks  = <&ext>;
+                       reg = <0>;
+               };
+       };
+
+       ext: ext {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+       };
+};

diff --git a/arch/mips/dts/nexys4ddr.dts b/arch/mips/dts/nexys4ddr.dts
new file mode 100644 (file)
index 0000000..e254ab1
--- /dev/null
+++ b/arch/mips/dts/nexys4ddr.dts
@@ -0,0 +1,62 @@
+/dts-v1/;
+
+#include "microAptiv.dtsi"
+
+/ {
+       compatible = "digilent,nexys4ddr";
+
+       memory {
+               device_type = "memory";
+               reg = <0x0 0x08000000>;
+       };
+
+       cpuintc: interrupt-controller@0 {
+               #address-cells = <0>;
+               #interrupt-cells = <1>;
+               interrupt-controller;
+               compatible = "mti,cpu-interrupt-controller";
+       };
+
+       aliases {
+               console = &axi_uart16550;
+       };
+
+       axi_ethernetlite: ethernet@10e00000 {
+               compatible = "xlnx,xps-ethernetlite-1.00.a";
+               device_type = "network";
+               local-mac-address = [08 86 4C 0D F7 09];
+               phy-handle = <&phy0>;
+               reg = <0x10e00000 0x10000>;
+               xlnx,duplex = <0x1>;
+               xlnx,include-global-buffers = <0x1>;
+               xlnx,include-internal-loopback = <0x0>;
+               xlnx,include-mdio = <0x1>;
+               xlnx,instance = "axi_ethernetlite_inst";
+               xlnx,rx-ping-pong = <0x1>;
+               xlnx,s-axi-id-width = <0x1>;
+               xlnx,tx-ping-pong = <0x1>;
+               xlnx,use-internal = <0x0>;
+               mdio {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       phy0: phy@1 {
+                               compatible = <0x0007c0f0 0xfffffff0>;
+                               device_type = "ethernet-phy";
+                               reg = <1>;
+                       } ;
+               } ;
+        } ;
+
+
+       axi_uart16550: serial@10400000 {
+               compatible = "ns16550a";
+               reg = <0x10400000 0x10000>;
+
+               reg-shift = <2>;
+               reg-offset = <0x1000>;
+
+               clock-frequency = <50000000>;
+
+       };
+};
+