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,icore-stm32mp1", "st,stm32mp157";
 10
 11	memory@c0000000 {
 12		device_type = "memory";
 13		reg = <0xc0000000 0x20000000>;
 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	vddcore: regulator-vddcore {
 59		compatible = "regulator-fixed";
 60		regulator-name = "vddcore";
 61		regulator-min-microvolt = <1200000>;
 62		regulator-max-microvolt = <1200000>;
 63		regulator-always-on;
 64	};
 65
 66	vdd: regulator-vdd {
 67		compatible = "regulator-fixed";
 68		regulator-name = "vdd";
 69		regulator-min-microvolt = <3300000>;
 70		regulator-max-microvolt = <3300000>;
 71		regulator-always-on;
 72	};
 73
 74	vdd_usb: regulator-vdd-usb {
 75		compatible = "regulator-fixed";
 76		regulator-name = "vdd_usb";
 77		regulator-min-microvolt = <3300000>;
 78		regulator-max-microvolt = <3300000>;
 79		regulator-always-on;
 80	};
 81
 82	vdda: regulator-vdda {
 83		compatible = "regulator-fixed";
 84		regulator-name = "vdda";
 85		regulator-min-microvolt = <3300000>;
 86		regulator-max-microvolt = <3300000>;
 87		regulator-always-on;
 88	};
 89
 90	vdd_ddr: regulator-vdd-ddr {
 91		compatible = "regulator-fixed";
 92		regulator-name = "vdd_ddr";
 93		regulator-min-microvolt = <1350000>;
 94		regulator-max-microvolt = <1350000>;
 95		regulator-always-on;
 96	};
 97
 98	vtt_ddr: regulator-vtt-ddr {
 99		compatible = "regulator-fixed";
100		regulator-name = "vtt_ddr";
101		regulator-min-microvolt = <675000>;
102		regulator-max-microvolt = <675000>;
103		regulator-always-on;
104		vin-supply = <&vdd>;
105	};
106
107	vref_ddr: regulator-vref-ddr {
108		compatible = "regulator-fixed";
109		regulator-name = "vref_ddr";
110		regulator-min-microvolt = <675000>;
111		regulator-max-microvolt = <675000>;
112		regulator-always-on;
113		vin-supply = <&vdd>;
114	};
115
116	vdd_sd: regulator-vdd-sd {
117		compatible = "regulator-fixed";
118		regulator-name = "vdd_sd";
119		regulator-min-microvolt = <3300000>;
120		regulator-max-microvolt = <3300000>;
121		regulator-always-on;
122	};
123
124	v3v3: regulator-v3v3 {
125		compatible = "regulator-fixed";
126		regulator-name = "v3v3";
127		regulator-min-microvolt = <3300000>;
128		regulator-max-microvolt = <3300000>;
129		regulator-always-on;
130	};
131
132	v2v8: regulator-v2v8 {
133		compatible = "regulator-fixed";
134		regulator-name = "v2v8";
135		regulator-min-microvolt = <2800000>;
136		regulator-max-microvolt = <2800000>;
137		regulator-always-on;
138		vin-supply = <&v3v3>;
139	};
140
141	v1v8: regulator-v1v8 {
142		compatible = "regulator-fixed";
143		regulator-name = "v1v8";
144		regulator-min-microvolt = <1800000>;
145		regulator-max-microvolt = <1800000>;
146		regulator-always-on;
147		vin-supply = <&v3v3>;
148	};
149};
150
151&dts {
152	status = "okay";
153};
154
155&i2c2 {
156	i2c-scl-falling-time-ns = <20>;
157	i2c-scl-rising-time-ns = <185>;
158	pinctrl-names = "default", "sleep";
159	pinctrl-0 = <&i2c2_pins_a>;
160	pinctrl-1 = <&i2c2_sleep_pins_a>;
161	status = "okay";
162};
163
164&ipcc {
165	status = "okay";
166};
167
168&iwdg2{
169	timeout-sec = <32>;
170	status = "okay";
171};
172
173&m4_rproc{
174	memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,
175			<&vdev0vring1>, <&vdev0buffer>;
176	mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;
177	mbox-names = "vq0", "vq1", "shutdown";
178	interrupt-parent = <&exti>;
179	interrupts = <68 1>;
180	status = "okay";
181};
182
183&rng1 {
184	status = "okay";
185};
186
187&rtc{
188	status = "okay";
189};
190
191&vrefbuf {
192	regulator-min-microvolt = <2500000>;
193	regulator-max-microvolt = <2500000>;
194	vdda-supply = <&vdd>;
195	status = "okay";
196};