arch/arm/dts/stm32mp157a-dk1.dts

   1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
   2 /*
   3  * Copyright (C) STMicroelectronics 2019 - All Rights Reserved
   4  * Author: Alexandre Torgue <alexandre.torgue@st.com> for STMicroelectronics.
   5  */
   6
   7 /dts-v1/;
   8
   9 #include "stm32mp157c.dtsi"
  10 #include "stm32mp157-pinctrl.dtsi"
  11 #include <dt-bindings/gpio/gpio.h>
  12 #include <dt-bindings/mfd/st,stpmic1.h>
  13
  14 / {
  15         model = "STMicroelectronics STM32MP157A-DK1 Discovery Board";
  16         compatible = "st,stm32mp157a-dk1", "st,stm32mp157";
  17
  18         aliases {
  19                 ethernet0 = &ethernet0;
  20                 serial0 = &uart4;
  21         };
  22
  23         chosen {
  24                 stdout-path = "serial0:115200n8";
  25         };
  26
  27         memory@c0000000 {
  28                 reg = <0xc0000000 0x20000000>;
  29         };
  30
  31         led {
  32                 compatible = "gpio-leds";
  33                 blue {
  34                         label = "heartbeat";
  35                         gpios = <&gpiod 11 GPIO_ACTIVE_HIGH>;
  36                         linux,default-trigger = "heartbeat";
  37                         default-state = "off";
  38                 };
  39         };
  40 };
  41
  42 &ethernet0 {
  43         status = "okay";
  44         pinctrl-0 = <&ethernet0_rgmii_pins_a>;
  45         pinctrl-1 = <&ethernet0_rgmii_pins_sleep_a>;
  46         pinctrl-names = "default", "sleep";
  47         phy-mode = "rgmii";
  48         max-speed = <1000>;
  49         phy-handle = <&phy0>;
  50
  51         mdio0 {
  52                 #address-cells = <1>;
  53                 #size-cells = <0>;
  54                 compatible = "snps,dwmac-mdio";
  55                 phy0: ethernet-phy@0 {
  56                         reg = <0>;
  57                 };
  58         };
  59 };
  60
  61 &i2c4 {
  62         pinctrl-names = "default";
  63         pinctrl-0 = <&i2c4_pins_a>;
  64         i2c-scl-rising-time-ns = <185>;
  65         i2c-scl-falling-time-ns = <20>;
  66         status = "okay";
  67         /delete-property/dmas;
  68         /delete-property/dma-names;
  69
  70         pmic: stpmic@33 {
  71                 compatible = "st,stpmic1";
  72                 reg = <0x33>;
  73                 interrupt-controller;
  74                 #interrupt-cells = <2>;
  75                 status = "okay";
  76
  77                 st,main-control-register = <0x04>;
  78                 st,vin-control-register = <0xc0>;
  79                 st,usb-control-register = <0x20>;
  80
  81                 regulators {
  82                         compatible = "st,stpmic1-regulators";
  83
  84                         ldo1-supply = <&v3v3>;
  85                         ldo3-supply = <&vdd_ddr>;
  86                         ldo6-supply = <&v3v3>;
  87                         pwr_sw1-supply = <&bst_out>;
  88                         pwr_sw2-supply = <&bst_out>;
  89
  90                         vddcore: buck1 {
  91                                 regulator-name = "vddcore";
  92                                 regulator-min-microvolt = <1200000>;
  93                                 regulator-max-microvolt = <1350000>;
  94                                 regulator-always-on;
  95                                 regulator-initial-mode = <0>;
  96                                 regulator-over-current-protection;
  97                         };
  98
  99                         vdd_ddr: buck2 {
 100                                 regulator-name = "vdd_ddr";
 101                                 regulator-min-microvolt = <1350000>;
 102                                 regulator-max-microvolt = <1350000>;
 103                                 regulator-always-on;
 104                                 regulator-initial-mode = <0>;
 105                                 regulator-over-current-protection;
 106                         };
 107
 108                         vdd: buck3 {
 109                                 regulator-name = "vdd";
 110                                 regulator-min-microvolt = <3300000>;
 111                                 regulator-max-microvolt = <3300000>;
 112                                 regulator-always-on;
 113                                 st,mask-reset;
 114                                 regulator-initial-mode = <0>;
 115                                 regulator-over-current-protection;
 116                         };
 117
 118                         v3v3: buck4 {
 119                                 regulator-name = "v3v3";
 120                                 regulator-min-microvolt = <3300000>;
 121                                 regulator-max-microvolt = <3300000>;
 122                                 regulator-always-on;
 123                                 regulator-over-current-protection;
 124                                 regulator-initial-mode = <0>;
 125                         };
 126
 127                         v1v8_audio: ldo1 {
 128                                 regulator-name = "v1v8_audio";
 129                                 regulator-min-microvolt = <1800000>;
 130                                 regulator-max-microvolt = <1800000>;
 131                                 regulator-always-on;
 132                                 interrupts = <IT_CURLIM_LDO1 0>;
 133                         };
 134
 135                         v3v3_hdmi: ldo2 {
 136                                 regulator-name = "v3v3_hdmi";
 137                                 regulator-min-microvolt = <3300000>;
 138                                 regulator-max-microvolt = <3300000>;
 139                                 regulator-always-on;
 140                                 interrupts = <IT_CURLIM_LDO2 0>;
 141                         };
 142
 143                         vtt_ddr: ldo3 {
 144                                 regulator-name = "vtt_ddr";
 145                                 regulator-min-microvolt = <500000>;
 146                                 regulator-max-microvolt = <750000>;
 147                                 regulator-always-on;
 148                                 regulator-over-current-protection;
 149                         };
 150
 151                         vdd_usb: ldo4 {
 152                                 regulator-name = "vdd_usb";
 153                                 regulator-min-microvolt = <3300000>;
 154                                 regulator-max-microvolt = <3300000>;
 155                                 interrupts = <IT_CURLIM_LDO4 0>;
 156                         };
 157
 158                         vdda: ldo5 {
 159                                 regulator-name = "vdda";
 160                                 regulator-min-microvolt = <2900000>;
 161                                 regulator-max-microvolt = <2900000>;
 162                                 interrupts = <IT_CURLIM_LDO5 0>;
 163                                 regulator-boot-on;
 164                         };
 165
 166                         v1v2_hdmi: ldo6 {
 167                                 regulator-name = "v1v2_hdmi";
 168                                 regulator-min-microvolt = <1200000>;
 169                                 regulator-max-microvolt = <1200000>;
 170                                 regulator-always-on;
 171                                 interrupts = <IT_CURLIM_LDO6 0>;
 172
 173                         };
 174
 175                         vref_ddr: vref_ddr {
 176                                 regulator-name = "vref_ddr";
 177                                 regulator-always-on;
 178                                 regulator-over-current-protection;
 179                         };
 180
 181                          bst_out: boost {
 182                                 regulator-name = "bst_out";
 183                                 interrupts = <IT_OCP_BOOST 0>;
 184                          };
 185
 186                         vbus_otg: pwr_sw1 {
 187                                 regulator-name = "vbus_otg";
 188                                 interrupts = <IT_OCP_OTG 0>;
 189                                 regulator-active-discharge;
 190                          };
 191
 192                          vbus_sw: pwr_sw2 {
 193                                 regulator-name = "vbus_sw";
 194                                 interrupts = <IT_OCP_SWOUT 0>;
 195                                 regulator-active-discharge;
 196                          };
 197                 };
 198
 199                 onkey {
 200                         compatible = "st,stpmic1-onkey";
 201                         interrupts = <IT_PONKEY_F 0>, <IT_PONKEY_R 1>;
 202                         interrupt-names = "onkey-falling", "onkey-rising";
 203                         status = "okay";
 204                 };
 205
 206                 watchdog {
 207                         compatible = "st,stpmic1-wdt";
 208                         status = "disabled";
 209                 };
 210         };
 211 };
 212
 213 &iwdg2 {
 214         timeout-sec = <32>;
 215         status = "okay";
 216 };
 217
 218 &pwr {
 219         pwr-supply = <&vdd>;
 220 };
 221
 222 &rng1 {
 223         status = "okay";
 224 };
 225
 226 &rtc {
 227         status = "okay";
 228 };
 229
 230 &sdmmc1 {
 231         pinctrl-names = "default";
 232         pinctrl-0 = <&sdmmc1_b4_pins_a>;
 233         broken-cd;
 234         st,neg-edge;
 235         bus-width = <4>;
 236         vmmc-supply = <&v3v3>;
 237         status = "okay";
 238 };
 239
 240 &uart4 {
 241         pinctrl-names = "default";
 242         pinctrl-0 = <&uart4_pins_a>;
 243         status = "okay";
 244 };
 245
 246 &usbh_ehci {
 247         phys = <&usbphyc_port0>;
 248         phy-names = "usb";
 249         status = "okay";
 250 };
 251
 252 &usbphyc {
 253         vdd3v3-supply = <&vdd_usb>;
 254         status = "okay";
 255 };
 256
 257 &vrefbuf {
 258         regulator-min-microvolt = <2500000>;
 259         regulator-max-microvolt = <2500000>;
 260         vdda-supply = <&vdd>;
 261         status = "okay";
 262 };