arch/arm/boot/dts/am335x-bone-common.dtsi

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/
   4  */
   5
   6 / {
   7         cpus {
   8                 cpu@0 {
   9                         cpu0-supply = <&dcdc2_reg>;
  10                 };
  11         };
  12
  13         memory@80000000 {
  14                 device_type = "memory";
  15                 reg = <0x80000000 0x10000000>; /* 256 MB */
  16         };
  17
  18         chosen {
  19                 stdout-path = &uart0;
  20         };
  21
  22         leds {
  23                 pinctrl-names = "default";
  24                 pinctrl-0 = <&user_leds_s0>;
  25
  26                 compatible = "gpio-leds";
  27
  28                 led2 {
  29                         label = "beaglebone:green:heartbeat";
  30                         gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;
  31                         linux,default-trigger = "heartbeat";
  32                         default-state = "off";
  33                 };
  34
  35                 led3 {
  36                         label = "beaglebone:green:mmc0";
  37                         gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>;
  38                         linux,default-trigger = "mmc0";
  39                         default-state = "off";
  40                 };
  41
  42                 led4 {
  43                         label = "beaglebone:green:usr2";
  44                         gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>;
  45                         linux,default-trigger = "cpu0";
  46                         default-state = "off";
  47                 };
  48
  49                 led5 {
  50                         label = "beaglebone:green:usr3";
  51                         gpios = <&gpio1 24 GPIO_ACTIVE_HIGH>;
  52                         linux,default-trigger = "mmc1";
  53                         default-state = "off";
  54                 };
  55         };
  56
  57         vmmcsd_fixed: fixedregulator0 {
  58                 compatible = "regulator-fixed";
  59                 regulator-name = "vmmcsd_fixed";
  60                 regulator-min-microvolt = <3300000>;
  61                 regulator-max-microvolt = <3300000>;
  62         };
  63 };
  64
  65 &am33xx_pinmux {
  66         pinctrl-names = "default";
  67         pinctrl-0 = <&clkout2_pin>;
  68
  69         user_leds_s0: user_leds_s0 {
  70                 pinctrl-single,pins = <
  71                         AM33XX_PADCONF(AM335X_PIN_GPMC_A5, PIN_OUTPUT_PULLDOWN, MUX_MODE7)      /* gpmc_a5.gpio1_21 */
  72                         AM33XX_PADCONF(AM335X_PIN_GPMC_A6, PIN_OUTPUT_PULLUP, MUX_MODE7)        /* gpmc_a6.gpio1_22 */
  73                         AM33XX_PADCONF(AM335X_PIN_GPMC_A7, PIN_OUTPUT_PULLDOWN, MUX_MODE7)      /* gpmc_a7.gpio1_23 */
  74                         AM33XX_PADCONF(AM335X_PIN_GPMC_A8, PIN_OUTPUT_PULLUP, MUX_MODE7)        /* gpmc_a8.gpio1_24 */
  75                 >;
  76         };
  77
  78         i2c0_pins: pinmux_i2c0_pins {
  79                 pinctrl-single,pins = <
  80                         AM33XX_PADCONF(AM335X_PIN_I2C0_SDA, PIN_INPUT_PULLUP, MUX_MODE0)        /* i2c0_sda.i2c0_sda */
  81                         AM33XX_PADCONF(AM335X_PIN_I2C0_SCL, PIN_INPUT_PULLUP, MUX_MODE0)        /* i2c0_scl.i2c0_scl */
  82                 >;
  83         };
  84
  85         i2c2_pins: pinmux_i2c2_pins {
  86                 pinctrl-single,pins = <
  87                         AM33XX_PADCONF(AM335X_PIN_UART1_CTSN, PIN_INPUT_PULLUP, MUX_MODE3)      /* uart1_ctsn.i2c2_sda */
  88                         AM33XX_PADCONF(AM335X_PIN_UART1_RTSN, PIN_INPUT_PULLUP, MUX_MODE3)      /* uart1_rtsn.i2c2_scl */
  89                 >;
  90         };
  91
  92         uart0_pins: pinmux_uart0_pins {
  93                 pinctrl-single,pins = <
  94                         AM33XX_PADCONF(AM335X_PIN_UART0_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
  95                         AM33XX_PADCONF(AM335X_PIN_UART0_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
  96                 >;
  97         };
  98
  99         clkout2_pin: pinmux_clkout2_pin {
 100                 pinctrl-single,pins = <
 101                         AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR1, PIN_OUTPUT_PULLDOWN, MUX_MODE3)     /* xdma_event_intr1.clkout2 */
 102                 >;
 103         };
 104
 105         cpsw_default: cpsw_default {
 106                 pinctrl-single,pins = <
 107                         /* Slave 1 */
 108                         AM33XX_PADCONF(AM335X_PIN_MII1_RX_ER, PIN_INPUT_PULLUP, MUX_MODE0)
 109                         AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
 110                         AM33XX_PADCONF(AM335X_PIN_MII1_RX_DV, PIN_INPUT_PULLUP, MUX_MODE0)
 111                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD3, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
 112                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD2, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
 113                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD1, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
 114                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
 115                         AM33XX_PADCONF(AM335X_PIN_MII1_TX_CLK, PIN_INPUT_PULLUP, MUX_MODE0)
 116                         AM33XX_PADCONF(AM335X_PIN_MII1_RX_CLK, PIN_INPUT_PULLUP, MUX_MODE0)
 117                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD3, PIN_INPUT_PULLUP, MUX_MODE0)
 118                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD2, PIN_INPUT_PULLUP, MUX_MODE0)
 119                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLUP, MUX_MODE0)
 120                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_INPUT_PULLUP, MUX_MODE0)
 121                 >;
 122         };
 123
 124         cpsw_sleep: cpsw_sleep {
 125                 pinctrl-single,pins = <
 126                         /* Slave 1 reset value */
 127                         AM33XX_PADCONF(AM335X_PIN_MII1_RX_ER, PIN_INPUT_PULLDOWN, MUX_MODE7)
 128                         AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_INPUT_PULLDOWN, MUX_MODE7)
 129                         AM33XX_PADCONF(AM335X_PIN_MII1_RX_DV, PIN_INPUT_PULLDOWN, MUX_MODE7)
 130                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD3, PIN_INPUT_PULLDOWN, MUX_MODE7)
 131                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD2, PIN_INPUT_PULLDOWN, MUX_MODE7)
 132                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD1, PIN_INPUT_PULLDOWN, MUX_MODE7)
 133                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_INPUT_PULLDOWN, MUX_MODE7)
 134                         AM33XX_PADCONF(AM335X_PIN_MII1_TX_CLK, PIN_INPUT_PULLDOWN, MUX_MODE7)
 135                         AM33XX_PADCONF(AM335X_PIN_MII1_RX_CLK, PIN_INPUT_PULLDOWN, MUX_MODE7)
 136                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD3, PIN_INPUT_PULLDOWN, MUX_MODE7)
 137                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD2, PIN_INPUT_PULLDOWN, MUX_MODE7)
 138                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLDOWN, MUX_MODE7)
 139                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_INPUT_PULLDOWN, MUX_MODE7)
 140                 >;
 141         };
 142
 143         davinci_mdio_default: davinci_mdio_default {
 144                 pinctrl-single,pins = <
 145                         /* MDIO */
 146                         AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLUP | SLEWCTRL_FAST, MUX_MODE0)
 147                         AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLUP, MUX_MODE0)
 148                 >;
 149         };
 150
 151         davinci_mdio_sleep: davinci_mdio_sleep {
 152                 pinctrl-single,pins = <
 153                         /* MDIO reset value */
 154                         AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLDOWN, MUX_MODE7)
 155                         AM33XX_PADCONF(AM335X_PIN_MDC, PIN_INPUT_PULLDOWN, MUX_MODE7)
 156                 >;
 157         };
 158
 159         mmc1_pins: pinmux_mmc1_pins {
 160                 pinctrl-single,pins = <
 161                         AM33XX_PADCONF(AM335X_PIN_SPI0_CS1, PIN_INPUT, MUX_MODE7)               /* spio0_cs1.gpio0_6 */
 162                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT0, PIN_INPUT_PULLUP, MUX_MODE0)
 163                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT1, PIN_INPUT_PULLUP, MUX_MODE0)
 164                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT2, PIN_INPUT_PULLUP, MUX_MODE0)
 165                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT3, PIN_INPUT_PULLUP, MUX_MODE0)
 166                         AM33XX_PADCONF(AM335X_PIN_MMC0_CMD, PIN_INPUT_PULLUP, MUX_MODE0)
 167                         AM33XX_PADCONF(AM335X_PIN_MMC0_CLK, PIN_INPUT_PULLUP, MUX_MODE0)
 168                 >;
 169         };
 170
 171         emmc_pins: pinmux_emmc_pins {
 172                 pinctrl-single,pins = <
 173                         AM33XX_PADCONF(AM335X_PIN_GPMC_CSN1, PIN_INPUT_PULLUP, MUX_MODE2) /* gpmc_csn1.mmc1_clk */
 174                         AM33XX_PADCONF(AM335X_PIN_GPMC_CSN2, PIN_INPUT_PULLUP, MUX_MODE2) /* gpmc_csn2.mmc1_cmd */
 175                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD0, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad0.mmc1_dat0 */
 176                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD1, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad1.mmc1_dat1 */
 177                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD2, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad2.mmc1_dat2 */
 178                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD3, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad3.mmc1_dat3 */
 179                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD4, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad4.mmc1_dat4 */
 180                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD5, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad5.mmc1_dat5 */
 181                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD6, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad6.mmc1_dat6 */
 182                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD7, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad7.mmc1_dat7 */
 183                 >;
 184         };
 185 };
 186
 187 &uart0 {
 188         pinctrl-names = "default";
 189         pinctrl-0 = <&uart0_pins>;
 190
 191         status = "okay";
 192 };
 193
 194 &usb0 {
 195         dr_mode = "peripheral";
 196         interrupts-extended = <&intc 18 &tps 0>;
 197         interrupt-names = "mc", "vbus";
 198 };
 199
 200 &usb1 {
 201         dr_mode = "host";
 202 };
 203
 204 &i2c0 {
 205         pinctrl-names = "default";
 206         pinctrl-0 = <&i2c0_pins>;
 207
 208         status = "okay";
 209         clock-frequency = <400000>;
 210
 211         tps: tps@24 {
 212                 reg = <0x24>;
 213         };
 214
 215         baseboard_eeprom: baseboard_eeprom@50 {
 216                 compatible = "atmel,24c256";
 217                 reg = <0x50>;
 218
 219                 #address-cells = <1>;
 220                 #size-cells = <1>;
 221                 baseboard_data: baseboard_data@0 {
 222                         reg = <0 0x100>;
 223                 };
 224         };
 225 };
 226
 227 &i2c2 {
 228         pinctrl-names = "default";
 229         pinctrl-0 = <&i2c2_pins>;
 230
 231         status = "okay";
 232         clock-frequency = <100000>;
 233
 234         cape_eeprom0: cape_eeprom0@54 {
 235                 compatible = "atmel,24c256";
 236                 reg = <0x54>;
 237                 #address-cells = <1>;
 238                 #size-cells = <1>;
 239                 cape0_data: cape_data@0 {
 240                         reg = <0 0x100>;
 241                 };
 242         };
 243
 244         cape_eeprom1: cape_eeprom1@55 {
 245                 compatible = "atmel,24c256";
 246                 reg = <0x55>;
 247                 #address-cells = <1>;
 248                 #size-cells = <1>;
 249                 cape1_data: cape_data@0 {
 250                         reg = <0 0x100>;
 251                 };
 252         };
 253
 254         cape_eeprom2: cape_eeprom2@56 {
 255                 compatible = "atmel,24c256";
 256                 reg = <0x56>;
 257                 #address-cells = <1>;
 258                 #size-cells = <1>;
 259                 cape2_data: cape_data@0 {
 260                         reg = <0 0x100>;
 261                 };
 262         };
 263
 264         cape_eeprom3: cape_eeprom3@57 {
 265                 compatible = "atmel,24c256";
 266                 reg = <0x57>;
 267                 #address-cells = <1>;
 268                 #size-cells = <1>;
 269                 cape3_data: cape_data@0 {
 270                         reg = <0 0x100>;
 271                 };
 272         };
 273 };
 274
 275
 276 /include/ "tps65217.dtsi"
 277
 278 &tps {
 279         /*
 280          * Configure pmic to enter OFF-state instead of SLEEP-state ("RTC-only
 281          * mode") at poweroff.  Most BeagleBone versions do not support RTC-only
 282          * mode and risk hardware damage if this mode is entered.
 283          *
 284          * For details, see linux-omap mailing list May 2015 thread
 285          *      [PATCH] ARM: dts: am335x-bone* enable pmic-shutdown-controller
 286          * In particular, messages:
 287          *      http://www.spinics.net/lists/linux-omap/msg118585.html
 288          *      http://www.spinics.net/lists/linux-omap/msg118615.html
 289          *
 290          * You can override this later with
 291          *      &tps {  /delete-property/ ti,pmic-shutdown-controller;  }
 292          * if you want to use RTC-only mode and made sure you are not affected
 293          * by the hardware problems. (Tip: double-check by performing a current
 294          * measurement after shutdown: it should be less than 1 mA.)
 295          */
 296
 297         interrupts = <7>; /* NMI */
 298         interrupt-parent = <&intc>;
 299
 300         ti,pmic-shutdown-controller;
 301
 302         charger {
 303                 status = "okay";
 304         };
 305
 306         pwrbutton {
 307                 status = "okay";
 308         };
 309
 310         regulators {
 311                 dcdc1_reg: regulator@0 {
 312                         regulator-name = "vdds_dpr";
 313                         regulator-always-on;
 314                 };
 315
 316                 dcdc2_reg: regulator@1 {
 317                         /* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */
 318                         regulator-name = "vdd_mpu";
 319                         regulator-min-microvolt = <925000>;
 320                         regulator-max-microvolt = <1351500>;
 321                         regulator-boot-on;
 322                         regulator-always-on;
 323                 };
 324
 325                 dcdc3_reg: regulator@2 {
 326                         /* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */
 327                         regulator-name = "vdd_core";
 328                         regulator-min-microvolt = <925000>;
 329                         regulator-max-microvolt = <1150000>;
 330                         regulator-boot-on;
 331                         regulator-always-on;
 332                 };
 333
 334                 ldo1_reg: regulator@3 {
 335                         regulator-name = "vio,vrtc,vdds";
 336                         regulator-always-on;
 337                 };
 338
 339                 ldo2_reg: regulator@4 {
 340                         regulator-name = "vdd_3v3aux";
 341                         regulator-always-on;
 342                 };
 343
 344                 ldo3_reg: regulator@5 {
 345                         regulator-name = "vdd_1v8";
 346                         regulator-always-on;
 347                 };
 348
 349                 ldo4_reg: regulator@6 {
 350                         regulator-name = "vdd_3v3a";
 351                         regulator-always-on;
 352                 };
 353         };
 354 };
 355
 356 &cpsw_emac0 {
 357         phy-handle = <&ethphy0>;
 358         phy-mode = "mii";
 359 };
 360
 361 &mac {
 362         slaves = <1>;
 363         pinctrl-names = "default", "sleep";
 364         pinctrl-0 = <&cpsw_default>;
 365         pinctrl-1 = <&cpsw_sleep>;
 366         status = "okay";
 367 };
 368
 369 &davinci_mdio {
 370         pinctrl-names = "default", "sleep";
 371         pinctrl-0 = <&davinci_mdio_default>;
 372         pinctrl-1 = <&davinci_mdio_sleep>;
 373         status = "okay";
 374
 375         ethphy0: ethernet-phy@0 {
 376                 reg = <0>;
 377         };
 378 };
 379
 380 &mmc1 {
 381         status = "okay";
 382         bus-width = <0x4>;
 383         pinctrl-names = "default";
 384         pinctrl-0 = <&mmc1_pins>;
 385         cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
 386 };
 387
 388 &aes {
 389         status = "okay";
 390 };
 391
 392 &sham {
 393         status = "okay";
 394 };
 395
 396 &rtc {
 397         clocks = <&clk_32768_ck>, <&clk_24mhz_clkctrl AM3_CLK_24MHZ_CLKDIV32K_CLKCTRL 0>;
 398         clock-names = "ext-clk", "int-clk";
 399 };