summaryrefslogtreecommitdiffstats
path: root/kernel/arch/mips/boot/dts/xilfpga
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/arch/mips/boot/dts/xilfpga')
-rw-r--r--kernel/arch/mips/boot/dts/xilfpga/Makefile9
-rw-r--r--kernel/arch/mips/boot/dts/xilfpga/microAptiv.dtsi21
-rw-r--r--kernel/arch/mips/boot/dts/xilfpga/nexys4ddr.dts46
3 files changed, 76 insertions, 0 deletions
diff --git a/kernel/arch/mips/boot/dts/xilfpga/Makefile b/kernel/arch/mips/boot/dts/xilfpga/Makefile
new file mode 100644
index 000000000..913a752a9
--- /dev/null
+++ b/kernel/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/kernel/arch/mips/boot/dts/xilfpga/microAptiv.dtsi b/kernel/arch/mips/boot/dts/xilfpga/microAptiv.dtsi
new file mode 100644
index 000000000..81d518e75
--- /dev/null
+++ b/kernel/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/kernel/arch/mips/boot/dts/xilfpga/nexys4ddr.dts b/kernel/arch/mips/boot/dts/xilfpga/nexys4ddr.dts
new file mode 100644
index 000000000..686ebd113
--- /dev/null
+++ b/kernel/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>;
+};