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};