Tom Rini | 844493d | 2025-01-26 16:17:47 -0600 | [diff] [blame] | 1 | // SPDX-License-Identifier: (GPL-2.0+ OR MIT) |
| 2 | /* |
| 3 | * at91-sam9x75_curiosity.dts - Device Tree file for Microchip SAM9X75 Curiosity board |
| 4 | * |
| 5 | * Copyright (C) 2023 Microchip Technology Inc. and its subsidiaries |
| 6 | * |
| 7 | * Author: Varshini Rajendran <varshini.rajendran@microchip.com> |
| 8 | */ |
| 9 | /dts-v1/; |
| 10 | #include "sam9x7.dtsi" |
| 11 | #include <dt-bindings/input/input.h> |
| 12 | |
| 13 | / { |
| 14 | model = "Microchip SAM9X75 Curiosity"; |
| 15 | compatible = "microchip,sam9x75-curiosity", "microchip,sam9x7", "atmel,at91sam9"; |
| 16 | |
| 17 | aliases { |
| 18 | i2c0 = &i2c6; |
| 19 | }; |
| 20 | |
| 21 | chosen { |
| 22 | stdout-path = "serial0:115200n8"; |
| 23 | }; |
| 24 | |
| 25 | gpio-keys { |
| 26 | compatible = "gpio-keys"; |
| 27 | pinctrl-names = "default"; |
| 28 | pinctrl-0 = <&pinctrl_key_gpio_default>; |
| 29 | |
| 30 | button-user { |
| 31 | label = "USER"; |
| 32 | gpios = <&pioC 9 GPIO_ACTIVE_LOW>; |
| 33 | linux,code = <KEY_0>; |
| 34 | wakeup-source; |
| 35 | }; |
| 36 | }; |
| 37 | |
| 38 | led-controller { |
| 39 | compatible = "gpio-leds"; |
| 40 | |
| 41 | led_red: led-red { |
| 42 | label = "red"; |
| 43 | gpios = <&pioC 14 GPIO_ACTIVE_HIGH>; |
| 44 | pinctrl-0 = <&pinctrl_red_led_gpio_default>; |
| 45 | }; |
| 46 | |
| 47 | led_green: led-green { |
| 48 | label = "green"; |
| 49 | gpios = <&pioC 21 GPIO_ACTIVE_HIGH>; |
| 50 | pinctrl-0 = <&pinctrl_green_led_gpio_default>; |
| 51 | }; |
| 52 | |
| 53 | led_blue: led-blue { |
| 54 | label = "blue"; |
| 55 | gpios = <&pioC 20 GPIO_ACTIVE_HIGH>; |
| 56 | pinctrl-0 = <&pinctrl_blue_led_gpio_default>; |
| 57 | linux,default-trigger = "heartbeat"; |
| 58 | }; |
| 59 | }; |
| 60 | |
| 61 | memory@20000000 { |
| 62 | reg = <0x20000000 0x10000000>; |
| 63 | device_type = "memory"; |
| 64 | }; |
| 65 | }; |
| 66 | |
| 67 | &classd { |
| 68 | pinctrl-names = "default"; |
| 69 | pinctrl-0 = <&pinctrl_classd_default>; |
| 70 | atmel,pwm-type = "diff"; |
| 71 | atmel,non-overlap-time = <10>; |
| 72 | status = "okay"; |
| 73 | }; |
| 74 | |
| 75 | &dbgu { |
| 76 | pinctrl-names = "default"; |
| 77 | pinctrl-0 = <&pinctrl_dbgu_default>; |
| 78 | status = "okay"; |
| 79 | }; |
| 80 | |
| 81 | &dma0 { |
| 82 | status = "okay"; |
| 83 | }; |
| 84 | |
| 85 | &flx6 { |
| 86 | atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>; |
| 87 | status = "okay"; |
| 88 | }; |
| 89 | |
| 90 | &i2c6 { |
Tom Rini | 844493d | 2025-01-26 16:17:47 -0600 | [diff] [blame] | 91 | pinctrl-names = "default"; |
| 92 | pinctrl-0 = <&pinctrl_flx6_default>; |
| 93 | i2c-analog-filter; |
| 94 | i2c-digital-filter; |
| 95 | i2c-digital-filter-width-ns = <35>; |
| 96 | status = "okay"; |
| 97 | |
| 98 | pmic@5b { |
| 99 | compatible = "microchip,mcp16502"; |
| 100 | reg = <0x5b>; |
| 101 | |
| 102 | regulators { |
| 103 | vdd_3v3: VDD_IO { |
| 104 | regulator-name = "VDD_IO"; |
| 105 | regulator-min-microvolt = <3300000>; |
| 106 | regulator-max-microvolt = <3300000>; |
| 107 | regulator-initial-mode = <2>; |
| 108 | regulator-allowed-modes = <2>, <4>; |
| 109 | regulator-always-on; |
| 110 | |
| 111 | regulator-state-standby { |
| 112 | regulator-on-in-suspend; |
| 113 | regulator-mode = <4>; |
| 114 | }; |
| 115 | |
| 116 | regulator-state-mem { |
| 117 | regulator-mode = <4>; |
| 118 | }; |
| 119 | }; |
| 120 | |
| 121 | vddioddr: VDD_DDR { |
| 122 | regulator-name = "VDD_DDR"; |
| 123 | regulator-min-microvolt = <1350000>; |
| 124 | regulator-max-microvolt = <1350000>; |
| 125 | regulator-initial-mode = <2>; |
| 126 | regulator-allowed-modes = <2>, <4>; |
| 127 | regulator-always-on; |
| 128 | |
| 129 | regulator-state-standby { |
| 130 | regulator-on-in-suspend; |
| 131 | regulator-mode = <4>; |
| 132 | }; |
| 133 | |
| 134 | regulator-state-mem { |
| 135 | regulator-on-in-suspend; |
| 136 | regulator-mode = <4>; |
| 137 | }; |
| 138 | }; |
| 139 | |
| 140 | vddcore: VDD_CORE { |
| 141 | regulator-name = "VDD_CORE"; |
| 142 | regulator-min-microvolt = <1150000>; |
| 143 | regulator-max-microvolt = <1150000>; |
| 144 | regulator-initial-mode = <2>; |
| 145 | regulator-allowed-modes = <2>, <4>; |
| 146 | regulator-always-on; |
| 147 | |
| 148 | regulator-state-standby { |
| 149 | regulator-on-in-suspend; |
| 150 | regulator-mode = <4>; |
| 151 | }; |
| 152 | |
| 153 | regulator-state-mem { |
| 154 | regulator-mode = <4>; |
| 155 | }; |
| 156 | }; |
| 157 | |
| 158 | dcdc4: VDD_OTHER { |
| 159 | regulator-name = "VDD_OTHER"; |
| 160 | regulator-min-microvolt = <1150000>; |
| 161 | regulator-max-microvolt = <1150000>; |
| 162 | regulator-initial-mode = <2>; |
| 163 | regulator-allowed-modes = <2>, <4>; |
| 164 | regulator-ramp-delay = <3125>; |
| 165 | regulator-always-on; |
| 166 | |
| 167 | regulator-state-standby { |
| 168 | regulator-on-in-suspend; |
| 169 | regulator-mode = <4>; |
| 170 | }; |
| 171 | |
| 172 | regulator-state-mem { |
| 173 | regulator-mode = <4>; |
| 174 | }; |
| 175 | }; |
| 176 | |
| 177 | vldo1: LDO1 { |
| 178 | regulator-name = "LDO1"; |
| 179 | regulator-min-microvolt = <3300000>; |
| 180 | regulator-max-microvolt = <3300000>; |
| 181 | regulator-always-on; |
| 182 | |
| 183 | regulator-state-standby { |
| 184 | regulator-on-in-suspend; |
| 185 | }; |
| 186 | }; |
| 187 | |
| 188 | vldo2: LDO2 { |
| 189 | regulator-name = "LDO2"; |
| 190 | regulator-min-microvolt = <1800000>; |
| 191 | regulator-max-microvolt = <1800000>; |
| 192 | |
| 193 | regulator-state-standby { |
| 194 | regulator-on-in-suspend; |
| 195 | }; |
| 196 | }; |
| 197 | }; |
| 198 | }; |
| 199 | }; |
| 200 | |
Tom Rini | ab06a53 | 2025-04-02 08:31:19 -0600 | [diff] [blame] | 201 | &flx7 { |
| 202 | atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>; |
| 203 | status = "okay"; |
| 204 | }; |
| 205 | |
| 206 | &i2c7 { |
| 207 | dmas = <0>, <0>; |
| 208 | i2c-analog-filter; |
| 209 | i2c-digital-filter; |
| 210 | i2c-digital-filter-width-ns = <35>; |
| 211 | pinctrl-names = "default"; |
| 212 | pinctrl-0 = <&pinctrl_flx7_default>; |
| 213 | status = "okay"; |
| 214 | |
| 215 | power-monitor@10 { |
| 216 | compatible = "microchip,pac1934"; |
| 217 | reg = <0x10>; |
| 218 | #address-cells = <1>; |
| 219 | #size-cells = <0>; |
| 220 | |
| 221 | channel@1 { |
| 222 | reg = <0x1>; |
| 223 | shunt-resistor-micro-ohms = <10000>; |
| 224 | label = "VDD3V3"; |
| 225 | }; |
| 226 | |
| 227 | channel@2 { |
| 228 | reg = <0x2>; |
| 229 | shunt-resistor-micro-ohms = <10000>; |
| 230 | label = "DCDC4"; |
| 231 | }; |
| 232 | |
| 233 | channel@3 { |
| 234 | reg = <0x3>; |
| 235 | shunt-resistor-micro-ohms = <10000>; |
| 236 | label = "VDDCORE"; |
| 237 | }; |
| 238 | |
| 239 | channel@4 { |
| 240 | reg = <0x4>; |
| 241 | shunt-resistor-micro-ohms = <10000>; |
| 242 | label = "VDDIODDR"; |
| 243 | }; |
| 244 | }; |
| 245 | }; |
| 246 | |
Tom Rini | 844493d | 2025-01-26 16:17:47 -0600 | [diff] [blame] | 247 | &i2s { |
| 248 | pinctrl-names = "default"; |
| 249 | pinctrl-0 = <&pinctrl_i2s_default>; |
| 250 | #sound-dai-cells = <0>; |
| 251 | status = "okay"; |
| 252 | }; |
| 253 | |
| 254 | &main_xtal { |
| 255 | clock-frequency = <24000000>; |
| 256 | }; |
| 257 | |
| 258 | &pinctrl { |
| 259 | classd { |
| 260 | pinctrl_classd_default: classd-default { |
| 261 | atmel,pins = |
| 262 | <AT91_PIOA 18 AT91_PERIPH_C AT91_PINCTRL_PULL_UP>, |
| 263 | <AT91_PIOA 19 AT91_PERIPH_C AT91_PINCTRL_PULL_DOWN>; |
| 264 | }; |
| 265 | }; |
| 266 | |
| 267 | dbgu { |
| 268 | pinctrl_dbgu_default: dbgu-default { |
| 269 | atmel,pins = <AT91_PIOA 26 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>, |
| 270 | <AT91_PIOA 27 AT91_PERIPH_A AT91_PINCTRL_NONE>; |
| 271 | }; |
| 272 | }; |
| 273 | |
| 274 | flexcom { |
| 275 | pinctrl_flx6_default: flx6-default { |
| 276 | atmel,pins = |
| 277 | <AT91_PIOA 24 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>, |
| 278 | <AT91_PIOA 25 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>; |
| 279 | }; |
Tom Rini | ab06a53 | 2025-04-02 08:31:19 -0600 | [diff] [blame] | 280 | |
| 281 | pinctrl_flx7_default: flx7-default { |
| 282 | atmel,pins = |
| 283 | <AT91_PIOC 0 AT91_PERIPH_C AT91_PINCTRL_PULL_UP>, |
| 284 | <AT91_PIOC 1 AT91_PERIPH_C AT91_PINCTRL_PULL_UP>; |
| 285 | }; |
Tom Rini | 844493d | 2025-01-26 16:17:47 -0600 | [diff] [blame] | 286 | }; |
| 287 | |
| 288 | gpio-keys { |
| 289 | pinctrl_key_gpio_default: key-gpio-default { |
| 290 | atmel,pins = <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; |
| 291 | }; |
| 292 | }; |
| 293 | |
| 294 | i2s { |
| 295 | pinctrl_i2s_default: i2s-default { |
| 296 | atmel,pins = |
| 297 | <AT91_PIOB 26 AT91_PERIPH_D AT91_PINCTRL_NONE>, /* I2SCK */ |
| 298 | <AT91_PIOB 15 AT91_PERIPH_D AT91_PINCTRL_NONE>, /* I2SWS */ |
| 299 | <AT91_PIOB 16 AT91_PERIPH_D AT91_PINCTRL_NONE>, /* I2SDIN */ |
| 300 | <AT91_PIOB 17 AT91_PERIPH_D AT91_PINCTRL_NONE>, /* I2SDOUT */ |
| 301 | <AT91_PIOB 25 AT91_PERIPH_D AT91_PINCTRL_NONE>; /* I2SMCK */ |
| 302 | }; |
| 303 | }; |
| 304 | |
| 305 | led-controller { |
| 306 | pinctrl_red_led_gpio_default: red-led-gpio-default { |
| 307 | atmel,pins = <AT91_PIOC 14 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; |
| 308 | }; |
| 309 | pinctrl_green_led_gpio_default: green-led-gpio-default { |
| 310 | atmel,pins = <AT91_PIOC 21 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; |
| 311 | }; |
| 312 | pinctrl_blue_led_gpio_default: blue-led-gpio-default { |
| 313 | atmel,pins = <AT91_PIOC 20 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; |
| 314 | }; |
| 315 | }; |
| 316 | |
| 317 | sdmmc0 { |
| 318 | pinctrl_sdmmc0_default: sdmmc0-default { |
| 319 | atmel,pins = |
| 320 | <AT91_PIOA 2 AT91_PERIPH_A (AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>, /* PA2 CK periph A with pullup */ |
| 321 | <AT91_PIOA 1 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>, /* PA1 CMD periph A with pullup */ |
| 322 | <AT91_PIOA 0 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>, /* PA0 DAT0 periph A */ |
| 323 | <AT91_PIOA 3 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>, /* PA3 DAT1 periph A with pullup */ |
| 324 | <AT91_PIOA 4 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>, /* PA4 DAT2 periph A with pullup */ |
| 325 | <AT91_PIOA 5 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>; /* PA5 DAT3 periph A with pullup */ |
| 326 | }; |
| 327 | }; |
| 328 | }; /* pinctrl */ |
| 329 | |
| 330 | &poweroff { |
| 331 | debounce-delay-us = <976>; |
| 332 | status = "okay"; |
| 333 | |
| 334 | input@0 { |
| 335 | reg = <0>; |
| 336 | }; |
| 337 | }; |
| 338 | |
| 339 | &rtt { |
| 340 | atmel,rtt-rtc-time-reg = <&gpbr 0x0>; |
| 341 | }; |
| 342 | |
| 343 | &sdmmc0 { |
| 344 | bus-width = <4>; |
| 345 | pinctrl-names = "default"; |
| 346 | pinctrl-0 = <&pinctrl_sdmmc0_default>; |
| 347 | cd-gpios = <&pioA 23 GPIO_ACTIVE_LOW>; |
| 348 | disable-wp; |
| 349 | status = "okay"; |
| 350 | }; |
| 351 | |
| 352 | &slow_xtal { |
| 353 | clock-frequency = <32768>; |
| 354 | }; |
| 355 | |
| 356 | &tcb { |
| 357 | timer0: timer@0 { |
| 358 | compatible = "atmel,tcb-timer"; |
| 359 | reg = <0>; |
| 360 | }; |
| 361 | |
| 362 | timer1: timer@1 { |
| 363 | compatible = "atmel,tcb-timer"; |
| 364 | reg = <1>; |
| 365 | }; |
| 366 | }; |
| 367 | |
| 368 | &trng { |
| 369 | status = "okay"; |
| 370 | }; |
| 371 | |
| 372 | &watchdog { |
| 373 | status = "okay"; |
| 374 | }; |