1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
2 /*
3 * Copyright (c) STMicroelectronics 2019 - All Rights Reserved
4 * Copyright (c) 2020 Engicam srl
5 * Copyright (c) 2020 Amarula Solutions(India)
6 */
7
8 / {
9 compatible = "engicam,microgea-stm32mp1", "st,stm32mp157";
10
11 memory@c0000000 {
12 device_type = "memory";
13 reg = <0xc0000000 0x10000000>;
14 };
15
16 reserved-memory {
17 #address-cells = <1>;
18 #size-cells = <1>;
19 ranges;
20
21 mcuram2: mcuram2@10000000 {
22 compatible = "shared-dma-pool";
23 reg = <0x10000000 0x40000>;
24 no-map;
25 };
26
27 vdev0vring0: vdev0vring0@10040000 {
28 compatible = "shared-dma-pool";
29 reg = <0x10040000 0x1000>;
30 no-map;
31 };
32
33 vdev0vring1: vdev0vring1@10041000 {
34 compatible = "shared-dma-pool";
35 reg = <0x10041000 0x1000>;
36 no-map;
37 };
38
39 vdev0buffer: vdev0buffer@10042000 {
40 compatible = "shared-dma-pool";
41 reg = <0x10042000 0x4000>;
42 no-map;
43 };
44
45 mcuram: mcuram@30000000 {
46 compatible = "shared-dma-pool";
47 reg = <0x30000000 0x40000>;
48 no-map;
49 };
50
51 retram: retram@38000000 {
52 compatible = "shared-dma-pool";
53 reg = <0x38000000 0x10000>;
54 no-map;
55 };
56 };
57
58 vin: regulator-vin {
59 compatible = "regulator-fixed";
60 regulator-name = "vin";
61 regulator-min-microvolt = <5000000>;
62 regulator-max-microvolt = <5000000>;
63 regulator-always-on;
64 };
65
66 vddcore: regulator-vddcore {
67 compatible = "regulator-fixed";
68 regulator-name = "vddcore";
69 regulator-min-microvolt = <1200000>;
70 regulator-max-microvolt = <1200000>;
71 regulator-always-on;
72 vin-supply = <&vin>;
73 };
74
75 vdd: regulator-vdd {
76 compatible = "regulator-fixed";
77 regulator-name = "vdd";
78 regulator-min-microvolt = <3300000>;
79 regulator-max-microvolt = <3300000>;
80 regulator-always-on;
81 vin-supply = <&vin>;
82 };
83
84 vddq_ddr: regulator-vddq-ddr {
85 compatible = "regulator-fixed";
86 regulator-name = "vddq_ddr";
87 regulator-min-microvolt = <1350000>;
88 regulator-max-microvolt = <1350000>;
89 regulator-always-on;
90 vin-supply = <&vin>;
91 };
92 };
93
94 &dts {
95 status = "okay";
96 };
97
98 &fmc {
99 pinctrl-names = "default", "sleep";
100 pinctrl-0 = <&fmc_pins_a>;
101 pinctrl-1 = <&fmc_sleep_pins_a>;
102 status = "okay";
103
104 nand-controller@4,0 {
105 status = "okay";
106
107 nand@0 {
108 reg = <0>;
109 nand-on-flash-bbt;
110 #address-cells = <1>;
111 #size-cells = <1>;
112 };
113 };
114 };
115
116 &ipcc {
117 status = "okay";
118 };
119
120 &iwdg2 {
121 timeout-sec = <32>;
122 status = "okay";
123 };
124
125 &m4_rproc {
126 memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,
127 <&vdev0vring1>, <&vdev0buffer>;
128 mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;
129 mbox-names = "vq0", "vq1", "shutdown";
130 interrupt-parent = <&exti>;
131 interrupts = <68 1>;
132 status = "okay";
133 };
134
135 &rng1 {
136 status = "okay";
137 };
138
139 &rtc {
140 status = "okay";
141 };
142
143 &vrefbuf {
144 regulator-min-microvolt = <2500000>;
145 regulator-max-microvolt = <2500000>;
146 vdda-supply = <&vdd>;
147 status = "okay";
148 };
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