arch/arm/boot/dts/stm32mp157a-icore-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,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 };