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 Solutons(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};
149