MIPS: xilfpga: Add xilfpga device tree files.

Add device tree files for the MIPSfpga platform.

See Documentation/devicetree/bindings/mips/img/xilfpga.txt
for details about MIPSfpga

Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
Cc: robh+dt@kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/11362/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/boot/dts/Makefile b/arch/mips/boot/dts/Makefile
index 778a34028c1b1fb6b67754053e24ea09828eee31..0571ef7697b02e9c51eea5e7c47dd92f3536a418 100644 (file)
--- a/arch/mips/boot/dts/Makefile
+++ b/arch/mips/boot/dts/Makefile
@@ -6,6 +6,7 @@ dts-dirs        += mti
 dts-dirs       += netlogic
 dts-dirs       += qca
 dts-dirs       += ralink
+dts-dirs       += xilfpga
 
 obj-y          := $(addsuffix /, $(dts-dirs))
 

diff --git a/arch/mips/boot/dts/xilfpga/Makefile b/arch/mips/boot/dts/xilfpga/Makefile
new file mode 100644 (file)
index 0000000..913a752
--- /dev/null
+++ b/arch/mips/boot/dts/xilfpga/Makefile
@@ -0,0 +1,9 @@
+dtb-$(CONFIG_XILFPGA_NEXYS4DDR)        += nexys4ddr.dtb
+
+obj-y                          += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
+
+# Force kbuild to make empty built-in.o if necessary
+obj-                           += dummy.o
+
+always                         := $(dtb-y)
+clean-files    := *.dtb *.dtb.S

diff --git a/arch/mips/boot/dts/xilfpga/microAptiv.dtsi b/arch/mips/boot/dts/xilfpga/microAptiv.dtsi
new file mode 100644 (file)
index 0000000..81d518e
--- /dev/null
+++ b/arch/mips/boot/dts/xilfpga/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/boot/dts/xilfpga/nexys4ddr.dts b/arch/mips/boot/dts/xilfpga/nexys4ddr.dts
new file mode 100644 (file)
index 0000000..686ebd1
--- /dev/null
+++ b/arch/mips/boot/dts/xilfpga/nexys4ddr.dts
@@ -0,0 +1,46 @@
+/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";
+       };
+
+       axi_gpio: gpio@10600000 {
+               #gpio-cells = <1>;
+               compatible = "xlnx,xps-gpio-1.00.a";
+               gpio-controller;
+               reg = <0x10600000 0x10000>;
+               xlnx,all-inputs = <0x0>;
+               xlnx,dout-default = <0x0>;
+               xlnx,gpio-width = <0x16>;
+               xlnx,interrupt-present = <0x0>;
+               xlnx,is-dual = <0x0>;
+               xlnx,tri-default = <0xffffffff>;
+       } ;
+
+       axi_uart16550: serial@10400000 {
+               compatible = "ns16550a";
+               reg = <0x10400000 0x10000>;
+
+               reg-shift = <2>;
+               reg-offset = <0x1000>;
+
+               clocks  = <&ext>;
+       };
+};
+
+&ext {
+       clock-frequency = <50000000>;
+};