0001 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
0002 /*
0003 * Copyright (c) STMicroelectronics 2019 - All Rights Reserved
0004 * Copyright (c) 2020 Engicam srl
0005 * Copyright (c) 2020 Amarula Solutons(India)
0006 */
0007
0008 / {
0009 compatible = "engicam,microgea-stm32mp1", "st,stm32mp157";
0010
0011 memory@c0000000 {
0012 device_type = "memory";
0013 reg = <0xc0000000 0x10000000>;
0014 };
0015
0016 reserved-memory {
0017 #address-cells = <1>;
0018 #size-cells = <1>;
0019 ranges;
0020
0021 mcuram2: mcuram2@10000000 {
0022 compatible = "shared-dma-pool";
0023 reg = <0x10000000 0x40000>;
0024 no-map;
0025 };
0026
0027 vdev0vring0: vdev0vring0@10040000 {
0028 compatible = "shared-dma-pool";
0029 reg = <0x10040000 0x1000>;
0030 no-map;
0031 };
0032
0033 vdev0vring1: vdev0vring1@10041000 {
0034 compatible = "shared-dma-pool";
0035 reg = <0x10041000 0x1000>;
0036 no-map;
0037 };
0038
0039 vdev0buffer: vdev0buffer@10042000 {
0040 compatible = "shared-dma-pool";
0041 reg = <0x10042000 0x4000>;
0042 no-map;
0043 };
0044
0045 mcuram: mcuram@30000000 {
0046 compatible = "shared-dma-pool";
0047 reg = <0x30000000 0x40000>;
0048 no-map;
0049 };
0050
0051 retram: retram@38000000 {
0052 compatible = "shared-dma-pool";
0053 reg = <0x38000000 0x10000>;
0054 no-map;
0055 };
0056 };
0057
0058 vin: regulator-vin {
0059 compatible = "regulator-fixed";
0060 regulator-name = "vin";
0061 regulator-min-microvolt = <5000000>;
0062 regulator-max-microvolt = <5000000>;
0063 regulator-always-on;
0064 };
0065
0066 vddcore: regulator-vddcore {
0067 compatible = "regulator-fixed";
0068 regulator-name = "vddcore";
0069 regulator-min-microvolt = <1200000>;
0070 regulator-max-microvolt = <1200000>;
0071 regulator-always-on;
0072 vin-supply = <&vin>;
0073 };
0074
0075 vdd: regulator-vdd {
0076 compatible = "regulator-fixed";
0077 regulator-name = "vdd";
0078 regulator-min-microvolt = <3300000>;
0079 regulator-max-microvolt = <3300000>;
0080 regulator-always-on;
0081 vin-supply = <&vin>;
0082 };
0083
0084 vddq_ddr: regulator-vddq-ddr {
0085 compatible = "regulator-fixed";
0086 regulator-name = "vddq_ddr";
0087 regulator-min-microvolt = <1350000>;
0088 regulator-max-microvolt = <1350000>;
0089 regulator-always-on;
0090 vin-supply = <&vin>;
0091 };
0092 };
0093
0094 &dts {
0095 status = "okay";
0096 };
0097
0098 &fmc {
0099 pinctrl-names = "default", "sleep";
0100 pinctrl-0 = <&fmc_pins_a>;
0101 pinctrl-1 = <&fmc_sleep_pins_a>;
0102 status = "okay";
0103
0104 nand-controller@4,0 {
0105 status = "okay";
0106
0107 nand@0 {
0108 reg = <0>;
0109 nand-on-flash-bbt;
0110 #address-cells = <1>;
0111 #size-cells = <1>;
0112 };
0113 };
0114 };
0115
0116 &ipcc {
0117 status = "okay";
0118 };
0119
0120 &iwdg2{
0121 timeout-sec = <32>;
0122 status = "okay";
0123 };
0124
0125 &m4_rproc{
0126 memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,
0127 <&vdev0vring1>, <&vdev0buffer>;
0128 mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;
0129 mbox-names = "vq0", "vq1", "shutdown";
0130 interrupt-parent = <&exti>;
0131 interrupts = <68 1>;
0132 status = "okay";
0133 };
0134
0135 &rng1 {
0136 status = "okay";
0137 };
0138
0139 &rtc{
0140 status = "okay";
0141 };
0142
0143 &vrefbuf {
0144 regulator-min-microvolt = <2500000>;
0145 regulator-max-microvolt = <2500000>;
0146 vdda-supply = <&vdd>;
0147 status = "okay";
0148 };
