1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
3
4 #include "microAptiv.dtsi"
5
6 / {
7 compatible = "digilent,nexys4ddr";
8
9 aliases {
10 serial0 = &axi_uart16550;
11 };
12 chosen {
13 bootargs = "console=ttyS0,1152
14 stdout-path = "serial0:115200n
15 };
16
17 memory {
18 device_type = "memory";
19 reg = <0x0 0x08000000>;
20 };
21
22 cpuintc: interrupt-controller {
23 #address-cells = <0>;
24 #interrupt-cells = <1>;
25 interrupt-controller;
26 compatible = "mti,cpu-interrup
27 };
28
29 axi_intc: interrupt-controller@1020000
30 #interrupt-cells = <1>;
31 compatible = "xlnx,xps-intc-1.
32 interrupt-controller;
33 reg = <0x10200000 0x10000>;
34 xlnx,kind-of-intr = <0x0>;
35 xlnx,num-intr-inputs = <0x6>;
36
37 interrupt-parent = <&cpuintc>;
38 interrupts = <6>;
39 };
40
41 axi_gpio: gpio@10600000 {
42 #gpio-cells = <1>;
43 compatible = "xlnx,xps-gpio-1.
44 gpio-controller;
45 reg = <0x10600000 0x10000>;
46 xlnx,all-inputs = <0x0>;
47 xlnx,dout-default = <0x0>;
48 xlnx,gpio-width = <0x16>;
49 xlnx,interrupt-present = <0x0>
50 xlnx,is-dual = <0x0>;
51 xlnx,tri-default = <0xffffffff
52 } ;
53
54 axi_ethernetlite: ethernet@10e00000 {
55 compatible = "xlnx,xps-etherne
56 device_type = "network";
57 interrupt-parent = <&axi_intc>
58 interrupts = <1>;
59 phy-handle = <&phy0>;
60 reg = <0x10e00000 0x10000>;
61 xlnx,duplex = <0x1>;
62 xlnx,include-global-buffers =
63 xlnx,include-internal-loopback
64 xlnx,include-mdio = <0x1>;
65 xlnx,instance = "axi_ethernetl
66 xlnx,rx-ping-pong = <0x1>;
67 xlnx,s-axi-id-width = <0x1>;
68 xlnx,tx-ping-pong = <0x1>;
69 xlnx,use-internal = <0x0>;
70 mdio {
71 #address-cells = <1>;
72 #size-cells = <0>;
73 phy0: phy@1 {
74 device_type =
75 reg = <1>;
76 };
77 };
78 };
79
80 axi_uart16550: serial@10400000 {
81 compatible = "ns16550a";
82 reg = <0x10400000 0x10000>;
83
84 reg-shift = <2>;
85 reg-offset = <0x1000>;
86
87 clocks = <&ext>;
88
89 interrupt-parent = <&axi_intc>
90 interrupts = <0>;
91 };
92
93 axi_i2c: i2c@10a00000 {
94 compatible = "xlnx,xps-iic-2.00.a"
95 interrupt-parent = <&axi_intc>;
96 interrupts = <4>;
97 reg = < 0x10a00000 0x10000 >;
98 clocks = <&ext>;
99 xlnx,clk-freq = <0x5f5e100>;
100 xlnx,family = "Artix7";
101 xlnx,gpo-width = <0x1>;
102 xlnx,iic-freq = <0x186a0>;
103 xlnx,scl-inertial-delay = <0x0>;
104 xlnx,sda-inertial-delay = <0x0>;
105 xlnx,ten-bit-adr = <0x0>;
106 #address-cells = <1>;
107 #size-cells = <0>;
108
109 ad7420@4b {
110 compatible = "adi,adt7420";
111 reg = <0x4b>;
112 };
113 } ;
114 };
115
116 &ext {
117 clock-frequency = <50000000>;
118 };
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