1 files changed, 118 insertions, 0 deletions

diff --git a/arch/mips/boot/dts/xilfpga/nexys4ddr.dts b/arch/mips/boot/dts/xilfpga/nexys4ddr.dts
new file mode 100644
index 000000000..cc8dbea09
--- /dev/null
+++ b/arch/mips/boot/dts/xilfpga/nexys4ddr.dts
@@ -0,0 +1,118 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include "microAptiv.dtsi"
+
+/ {
+        compatible = "digilent,nexys4ddr";
+
+        aliases {
+                serial0 = &axi_uart16550;
+        };
+        chosen {
+                bootargs = "console=ttyS0,115200";
+                stdout-path = "serial0:115200n8";
+        };
+
+        memory {
+                device_type = "memory";
+                reg = <0x0 0x08000000>;
+        };
+
+        cpuintc: interrupt-controller {
+                #address-cells = <0>;
+                #interrupt-cells = <1>;
+                interrupt-controller;
+                compatible = "mti,cpu-interrupt-controller";
+        };
+
+        axi_intc: interrupt-controller@10200000 {
+                #interrupt-cells = <1>;
+                compatible = "xlnx,xps-intc-1.00.a";
+                interrupt-controller;
+                reg = <0x10200000 0x10000>;
+                xlnx,kind-of-intr = <0x0>;
+                xlnx,num-intr-inputs = <0x6>;
+
+                interrupt-parent = <&cpuintc>;
+                interrupts = <6>;
+        };
+
+        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_ethernetlite: ethernet@10e00000 {
+                compatible = "xlnx,xps-ethernetlite-3.00.a";
+                device_type = "network";
+                interrupt-parent = <&axi_intc>;
+                interrupts = <1>;
+                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 {
+                                device_type = "ethernet-phy";
+                                reg = <1>;
+                        };
+                };
+        };
+
+        axi_uart16550: serial@10400000 {
+                compatible = "ns16550a";
+                reg = <0x10400000 0x10000>;
+
+                reg-shift = <2>;
+                reg-offset = <0x1000>;
+
+                clocks  = <&ext>;
+
+                interrupt-parent = <&axi_intc>;
+                interrupts = <0>;
+        };
+
+        axi_i2c: i2c@10a00000 {
+            compatible = "xlnx,xps-iic-2.00.a";
+            interrupt-parent = <&axi_intc>;
+            interrupts = <4>;
+            reg = < 0x10a00000 0x10000 >;
+            clocks = <&ext>;
+            xlnx,clk-freq = <0x5f5e100>;
+            xlnx,family = "Artix7";
+            xlnx,gpo-width = <0x1>;
+            xlnx,iic-freq = <0x186a0>;
+            xlnx,scl-inertial-delay = <0x0>;
+            xlnx,sda-inertial-delay = <0x0>;
+            xlnx,ten-bit-adr = <0x0>;
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            ad7420@4b {
+                compatible = "adi,adt7420";
+                reg = <0x4b>;
+            };
+        } ;
+};
+
+&ext {
+        clock-frequency = <50000000>;
+};