arch/arm/boot/dts/stm32mp157a-stinger96.dtsi

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * Copyright (C) 2020 Manivannan Sadhasivam
   4  */
   5
   6 /dts-v1/;
   7
   8 #include "stm32mp157.dtsi"
   9 #include "stm32mp15-pinctrl.dtsi"
  10 #include "stm32mp15xxac-pinctrl.dtsi"
  11 #include <dt-bindings/gpio/gpio.h>
  12 #include <dt-bindings/mfd/st,stpmic1.h>
  13
  14 / {
  15         aliases {
  16                 mmc0 = &sdmmc1;
  17                 serial0 = &uart4;
  18                 serial1 = &uart7;
  19                 serial2 = &usart2;
  20                 spi0 = &spi4;
  21         };
  22
  23         chosen {
  24                 stdout-path = "serial1:115200n8";
  25         };
  26
  27         memory@c0000000 {
  28                 device_type = "memory";
  29                 reg = <0xc0000000 0x10000000>;
  30         };
  31
  32         led {
  33                 compatible = "gpio-leds";
  34
  35                 led1 {
  36                         label = "green:user1";
  37                         gpios = <&gpioa 13 GPIO_ACTIVE_HIGH>;
  38                         linux,default-trigger = "heartbeat";
  39                         default-state = "off";
  40                 };
  41
  42                 led2 {
  43                         label = "green:user2";
  44                         gpios = <&gpioh 3 GPIO_ACTIVE_HIGH>;
  45                         linux,default-trigger = "mmc0";
  46                         default-state = "off";
  47                 };
  48
  49                 led3 {
  50                         label = "green:user3";
  51                         gpios = <&gpioh 2 GPIO_ACTIVE_HIGH>;
  52                         linux,default-trigger = "mmc1";
  53                         default-state = "off";
  54                 };
  55
  56                 led4 {
  57                         label = "green:user4";
  58                         gpios = <&gpiof 12 GPIO_ACTIVE_HIGH>;
  59                         linux,default-trigger = "none";
  60                         default-state = "off";
  61                         panic-indicator;
  62                 };
  63         };
  64
  65         sd_switch: regulator-sd_switch {
  66                 compatible = "regulator-gpio";
  67                 regulator-name = "sd_switch";
  68                 regulator-min-microvolt = <1800000>;
  69                 regulator-max-microvolt = <2900000>;
  70                 regulator-type = "voltage";
  71                 regulator-always-on;
  72
  73                 gpios = <&gpioa 8 GPIO_ACTIVE_HIGH>;
  74                 gpios-states = <0>;
  75                 states = <1800000 0x1>,
  76                          <2900000 0x0>;
  77         };
  78 };
  79
  80 /* Only headless mode is supported */
  81 &gpu {
  82         status = "disabled";
  83 };
  84
  85 /* LS-I2C0 */
  86 &i2c2 {
  87         pinctrl-names = "default";
  88         pinctrl-0 = <&i2c2_pins_a>;
  89         i2c-scl-rising-time-ns = <1000>;
  90         i2c-scl-falling-time-ns = <300>;
  91         status = "okay";
  92         /delete-property/dmas;
  93         /delete-property/dma-names;
  94 };
  95
  96 &i2c4 {
  97         pinctrl-names = "default";
  98         pinctrl-0 = <&i2c4_pins_a>;
  99         i2c-scl-rising-time-ns = <185>;
 100         i2c-scl-falling-time-ns = <20>;
 101         status = "okay";
 102         /delete-property/dmas;
 103         /delete-property/dma-names;
 104
 105         pmic: stpmic@33 {
 106                 compatible = "st,stpmic1";
 107                 reg = <0x33>;
 108                 interrupts-extended = <&gpioa 0 IRQ_TYPE_EDGE_FALLING>;
 109                 interrupt-controller;
 110                 #interrupt-cells = <2>;
 111                 status = "okay";
 112
 113                 regulators {
 114                         compatible = "st,stpmic1-regulators";
 115
 116                         ldo1-supply = <&v3v3>;
 117                         ldo2-supply = <&v3v3>;
 118                         ldo3-supply = <&vdd_ddr>;
 119                         ldo5-supply = <&v3v3>;
 120                         ldo6-supply = <&v3v3>;
 121                         pwr_sw1-supply = <&bst_out>;
 122                         pwr_sw2-supply = <&bst_out>;
 123
 124                         vddcore: buck1 {
 125                                 regulator-name = "vddcore";
 126                                 regulator-min-microvolt = <1200000>;
 127                                 regulator-max-microvolt = <1350000>;
 128                                 regulator-always-on;
 129                                 regulator-initial-mode = <0>;
 130                                 regulator-over-current-protection;
 131                         };
 132
 133                         vdd_ddr: buck2 {
 134                                 regulator-name = "vdd_ddr";
 135                                 regulator-min-microvolt = <1500000>;
 136                                 regulator-max-microvolt = <1500000>;
 137                                 regulator-always-on;
 138                                 regulator-initial-mode = <0>;
 139                                 regulator-over-current-protection;
 140                         };
 141
 142                         vdd: buck3 {
 143                                 regulator-name = "vdd";
 144                                 regulator-min-microvolt = <1800000>;
 145                                 regulator-max-microvolt = <1800000>;
 146                                 regulator-always-on;
 147                                 st,mask-reset;
 148                                 regulator-initial-mode = <0>;
 149                                 regulator-over-current-protection;
 150                         };
 151
 152                         v3v3: buck4 {
 153                                 regulator-name = "v3v3";
 154                                 regulator-min-microvolt = <3300000>;
 155                                 regulator-max-microvolt = <3300000>;
 156                                 regulator-always-on;
 157                                 regulator-over-current-protection;
 158                                 regulator-initial-mode = <0>;
 159                         };
 160
 161                         vdda: ldo1 {
 162                                 regulator-name = "vdda";
 163                                 regulator-min-microvolt = <1800000>;
 164                                 regulator-max-microvolt = <1800000>;
 165                                 regulator-always-on;
 166                                 interrupts = <IT_CURLIM_LDO1 0>;
 167                         };
 168
 169                         v2v9: ldo2 {
 170                                 regulator-name = "v2v9";
 171                                 regulator-min-microvolt = <2900000>;
 172                                 regulator-max-microvolt = <2900000>;
 173                                 regulator-always-on;
 174                                 interrupts = <IT_CURLIM_LDO2 0>;
 175                         };
 176
 177                         vtt_ddr: ldo3 {
 178                                 regulator-name = "vtt_ddr";
 179                                 regulator-min-microvolt = <500000>;
 180                                 regulator-max-microvolt = <750000>;
 181                                 regulator-always-on;
 182                                 regulator-over-current-protection;
 183                         };
 184
 185                         vdd_usb: ldo4 {
 186                                 regulator-name = "vdd_usb";
 187                                 interrupts = <IT_CURLIM_LDO4 0>;
 188                         };
 189
 190                         vdd_sd: ldo5 {
 191                                 regulator-name = "vdd_sd";
 192                                 regulator-min-microvolt = <2900000>;
 193                                 regulator-max-microvolt = <2900000>;
 194                                 interrupts = <IT_CURLIM_LDO5 0>;
 195                                 regulator-boot-on;
 196                         };
 197
 198                         v1v8: ldo6 {
 199                                 regulator-name = "v1v8";
 200                                 regulator-min-microvolt = <1800000>;
 201                                 regulator-max-microvolt = <1800000>;
 202                                 regulator-always-on;
 203                                 interrupts = <IT_CURLIM_LDO6 0>;
 204                         };
 205
 206                         vref_ddr: vref_ddr {
 207                                 regulator-name = "vref_ddr";
 208                                 regulator-always-on;
 209                         };
 210
 211                         bst_out: boost {
 212                                 regulator-name = "bst_out";
 213                                 interrupts = <IT_OCP_BOOST 0>;
 214                         };
 215
 216                         vbus_otg: pwr_sw1 {
 217                                 regulator-name = "vbus_otg";
 218                                 interrupts = <IT_OCP_OTG 0>;
 219                                 regulator-active-discharge = <1>;
 220                         };
 221
 222                         vbus_sw: pwr_sw2 {
 223                                 regulator-name = "vbus_sw";
 224                                 interrupts = <IT_OCP_SWOUT 0>;
 225                                 regulator-active-discharge = <1>;
 226                         };
 227                 };
 228
 229                 onkey {
 230                         compatible = "st,stpmic1-onkey";
 231                         interrupts = <IT_PONKEY_F 0>, <IT_PONKEY_R 1>;
 232                         interrupt-names = "onkey-falling", "onkey-rising";
 233                         status = "okay";
 234                 };
 235
 236                 watchdog {
 237                         compatible = "st,stpmic1-wdt";
 238                         status = "disabled";
 239                 };
 240         };
 241 };
 242
 243 &iwdg2 {
 244         timeout-sec = <32>;
 245         status = "okay";
 246 };
 247
 248 &pwr_regulators {
 249         vdd-supply = <&vdd>;
 250         vdd_3v3_usbfs-supply = <&vdd_usb>;
 251 };
 252
 253 &rng1 {
 254         status = "okay";
 255 };
 256
 257 &rtc {
 258         status = "okay";
 259 };
 260
 261 &sdmmc1 {
 262         pinctrl-names = "default", "opendrain", "sleep";
 263         pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_b>;
 264         pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_dir_pins_b>;
 265         pinctrl-2 = <&sdmmc1_b4_sleep_pins_a &sdmmc1_dir_sleep_pins_b>;
 266         broken-cd;
 267         disable-wp;
 268         st,sig-dir;
 269         st,neg-edge;
 270         st,use-ckin;
 271         bus-width = <4>;
 272         vmmc-supply = <&vdd_sd>;
 273         vqmmc-supply = <&sd_switch>;
 274         status = "okay";
 275 };
 276
 277 /* LS-SPI0 */
 278 &spi4 {
 279         pinctrl-names = "default";
 280         pinctrl-0 = <&spi4_pins_a>;
 281         cs-gpios = <&gpioe 11 GPIO_ACTIVE_HIGH>;
 282         status = "okay";
 283 };
 284
 285 /* BG96 */
 286 &usart2 {
 287         pinctrl-names = "default", "sleep";
 288         pinctrl-0 = <&usart2_pins_b>;
 289         pinctrl-1 = <&usart2_sleep_pins_b>;
 290         st,hw-flow-ctrl;
 291         status = "okay";
 292 };
 293
 294 /* LS-UART0 */
 295 &uart4 {
 296         pinctrl-names = "default";
 297         pinctrl-0 = <&uart4_pins_c>;
 298         st,hw-flow-ctrl;
 299         status = "okay";
 300 };
 301
 302 /* Debug console */
 303 &uart7 {
 304         pinctrl-names = "default";
 305         pinctrl-0 = <&uart7_pins_b>;
 306         status = "okay";
 307 };
 308
 309 &usbh_ehci {
 310         phys = <&usbphyc_port0>;
 311         phy-names = "usb";
 312         status = "okay";
 313 };
 314
 315 &usbotg_hs {
 316         dr_mode = "peripheral";
 317         pinctrl-0 = <&usbotg_hs_pins_a>;
 318         pinctrl-names = "default";
 319         phy-names = "usb2-phy";
 320         phys = <&usbphyc_port1 0>;
 321         vbus-supply = <&vbus_otg>;
 322         status = "okay";
 323 };
 324
 325 &usbphyc {
 326         status = "okay";
 327 };
 328
 329 &usbphyc_port0 {
 330         phy-supply = <&vdd_usb>;
 331 };
 332
 333 &usbphyc_port1 {
 334         phy-supply = <&vdd_usb>;
 335 };