arch/arm/boot/dts/stm32mp157a-microgea-stm32mp1.dtsi

   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 };