arch/arm/boot/dts/am335x-nano.dts

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2013 Newflow Ltd - http://www.newflow.co.uk/
   4  */
   5 /dts-v1/;
   6
   7 #include "am33xx.dtsi"
   8
   9 / {
  10         model = "Newflow AM335x NanoBone";
  11         compatible = "ti,am33xx";
  12
  13         cpus {
  14                 cpu@0 {
  15                         cpu0-supply = <&dcdc2_reg>;
  16                 };
  17         };
  18
  19         memory@80000000 {
  20                 device_type = "memory";
  21                 reg = <0x80000000 0x10000000>; /* 256 MB */
  22         };
  23
  24         leds {
  25                 compatible = "gpio-leds";
  26
  27                 led0 {
  28                         label = "nanobone:green:usr1";
  29                         gpios = <&gpio1 5 0>;
  30                         default-state = "off";
  31                 };
  32         };
  33 };
  34
  35 &am33xx_pinmux {
  36         pinctrl-names = "default";
  37         pinctrl-0 = <&misc_pins>;
  38
  39         misc_pins: misc_pins {
  40                 pinctrl-single,pins = <
  41                         AM33XX_PADCONF(AM335X_PIN_SPI0_CS0, PIN_OUTPUT, MUX_MODE7)      /* spi0_cs0.gpio0_5 */
  42                 >;
  43         };
  44
  45         gpmc_pins: gpmc_pins {
  46                 pinctrl-single,pins = <
  47                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD0, PIN_INPUT_PULLUP, MUX_MODE0)
  48                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD1, PIN_INPUT_PULLUP, MUX_MODE0)
  49                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD2, PIN_INPUT_PULLUP, MUX_MODE0)
  50                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD3, PIN_INPUT_PULLUP, MUX_MODE0)
  51                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD4, PIN_INPUT_PULLUP, MUX_MODE0)
  52                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD5, PIN_INPUT_PULLUP, MUX_MODE0)
  53                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD6, PIN_INPUT_PULLUP, MUX_MODE0)
  54                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD7, PIN_INPUT_PULLUP, MUX_MODE0)
  55                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD8, PIN_INPUT_PULLUP, MUX_MODE0)
  56                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD9, PIN_INPUT_PULLUP, MUX_MODE0)
  57                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD10, PIN_INPUT_PULLUP, MUX_MODE0)
  58                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD11, PIN_INPUT_PULLUP, MUX_MODE0)
  59                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_INPUT_PULLUP, MUX_MODE0)
  60                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_INPUT_PULLUP, MUX_MODE0)
  61                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_INPUT_PULLUP, MUX_MODE0)
  62                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_INPUT_PULLUP, MUX_MODE0)
  63
  64                         AM33XX_PADCONF(AM335X_PIN_GPMC_WAIT0, PIN_INPUT_PULLUP, MUX_MODE0)
  65                         AM33XX_PADCONF(AM335X_PIN_GPMC_CSN0, PIN_OUTPUT, MUX_MODE0)
  66                         AM33XX_PADCONF(AM335X_PIN_GPMC_CSN1, PIN_OUTPUT, MUX_MODE0)
  67                         AM33XX_PADCONF(AM335X_PIN_GPMC_CSN2, PIN_OUTPUT, MUX_MODE0)
  68                         AM33XX_PADCONF(AM335X_PIN_GPMC_CSN3, PIN_OUTPUT, MUX_MODE0)
  69
  70                         AM33XX_PADCONF(AM335X_PIN_GPMC_ADVN_ALE, PIN_OUTPUT, MUX_MODE0)
  71                         AM33XX_PADCONF(AM335X_PIN_GPMC_OEN_REN, PIN_OUTPUT, MUX_MODE0)
  72                         AM33XX_PADCONF(AM335X_PIN_GPMC_WEN, PIN_OUTPUT, MUX_MODE0)
  73                         AM33XX_PADCONF(AM335X_PIN_GPMC_BEN0_CLE, PIN_OUTPUT, MUX_MODE0)
  74
  75                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA1, PIN_OUTPUT, MUX_MODE1)             /* lcd_data1.gpmc_a1 */
  76                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA2, PIN_OUTPUT, MUX_MODE1)             /* lcd_data2.gpmc_a2 */
  77                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA3, PIN_OUTPUT, MUX_MODE1)             /* lcd_data3.gpmc_a3 */
  78                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA4, PIN_OUTPUT, MUX_MODE1)             /* lcd_data4.gpmc_a4 */
  79                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA5, PIN_OUTPUT, MUX_MODE1)             /* lcd_data5.gpmc_a5 */
  80                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA6, PIN_OUTPUT, MUX_MODE1)             /* lcd_data6.gpmc_a6 */
  81                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA7, PIN_OUTPUT, MUX_MODE1)             /* lcd_data7.gpmc_a7 */
  82
  83                         AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_OUTPUT, MUX_MODE1)             /* lcd_vsync.gpmc_a8 */
  84                         AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_OUTPUT, MUX_MODE1)             /* lcd_hsync.gpmc_a9 */
  85                         AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_OUTPUT, MUX_MODE1)              /* lcd_pclk.gpmc_a10 */
  86                 >;
  87         };
  88
  89         i2c0_pins: i2c0_pins {
  90                 pinctrl-single,pins = <
  91                         AM33XX_PADCONF(AM335X_PIN_I2C0_SDA, PIN_INPUT_PULLDOWN, MUX_MODE0)
  92                         AM33XX_PADCONF(AM335X_PIN_I2C0_SCL, PIN_INPUT_PULLDOWN, MUX_MODE0)
  93                 >;
  94         };
  95
  96         uart0_pins: uart0_pins {
  97                 pinctrl-single,pins = <
  98                         AM33XX_PADCONF(AM335X_PIN_UART0_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
  99                         AM33XX_PADCONF(AM335X_PIN_UART0_TXD, PIN_OUTPUT, MUX_MODE0)
 100                 >;
 101         };
 102
 103         uart1_pins: uart1_pins {
 104                 pinctrl-single,pins = <
 105                         AM33XX_PADCONF(AM335X_PIN_UART1_CTSN, PIN_OUTPUT, MUX_MODE7)
 106                         AM33XX_PADCONF(AM335X_PIN_UART1_RTSN, PIN_OUTPUT, MUX_MODE7)
 107                         AM33XX_PADCONF(AM335X_PIN_UART1_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
 108                         AM33XX_PADCONF(AM335X_PIN_UART1_TXD, PIN_OUTPUT, MUX_MODE0)
 109                 >;
 110         };
 111
 112         uart2_pins: uart2_pins {
 113                 pinctrl-single,pins = <
 114                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA8, PIN_INPUT_PULLUP, MUX_MODE7)       /* lcd_data8.gpio2[14] */
 115                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA9, PIN_OUTPUT, MUX_MODE7)             /* lcd_data9.gpio2[15] */
 116                         AM33XX_PADCONF(AM335X_PIN_SPI0_SCLK, PIN_INPUT, MUX_MODE1)              /* spi0_sclk.uart2_rxd */
 117                         AM33XX_PADCONF(AM335X_PIN_SPI0_D0, PIN_OUTPUT, MUX_MODE1)               /* spi0_d0.uart2_txd */
 118                 >;
 119         };
 120
 121         uart3_pins: uart3_pins {
 122                 pinctrl-single,pins = <
 123                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PIN_INPUT_PULLUP, MUX_MODE6)      /* lcd_data10.uart3_ctsn */
 124                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PIN_OUTPUT, MUX_MODE6)            /* lcd_data11.uart3_rtsn */
 125                         AM33XX_PADCONF(AM335X_PIN_SPI0_CS1, PIN_INPUT, MUX_MODE1)               /* spi0_cs1.uart3_rxd */
 126                         AM33XX_PADCONF(AM335X_PIN_ECAP0_IN_PWM0_OUT, PIN_OUTPUT, MUX_MODE1)             /* ecap0_in_pwm0_out.uart3_txd */
 127                 >;
 128         };
 129
 130         uart4_pins: uart4_pins {
 131                 pinctrl-single,pins = <
 132                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_INPUT_PULLUP, MUX_MODE6)      /* lcd_data12.uart4_ctsn */
 133                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_OUTPUT, MUX_MODE6)            /* lcd_data13.uart4_rtsn */
 134                         AM33XX_PADCONF(AM335X_PIN_UART0_CTSN, PIN_INPUT, MUX_MODE1)             /* uart0_ctsn.uart4_rxd */
 135                         AM33XX_PADCONF(AM335X_PIN_UART0_RTSN, PIN_OUTPUT, MUX_MODE1)            /* uart0_rtsn.uart4_txd */
 136                 >;
 137         };
 138
 139         uart5_pins: uart5_pins {
 140                 pinctrl-single,pins = <
 141                         AM33XX_PADCONF(AM335X_PIN_LCD_DATA14, PIN_INPUT, MUX_MODE4)             /* lcd_data14.uart5_rxd */
 142                         AM33XX_PADCONF(AM335X_PIN_RMII1_REF_CLK, PIN_OUTPUT, MUX_MODE3)         /* rmiii1_refclk.uart5_txd */
 143                 >;
 144         };
 145
 146         mmc1_pins: mmc1_pins {
 147                 pinctrl-single,pins = <
 148                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT3, PIN_INPUT_PULLUP, MUX_MODE0)
 149                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT2, PIN_INPUT_PULLUP, MUX_MODE0)
 150                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT1, PIN_INPUT_PULLUP, MUX_MODE0)
 151                         AM33XX_PADCONF(AM335X_PIN_MMC0_DAT0, PIN_INPUT_PULLUP, MUX_MODE0)
 152                         AM33XX_PADCONF(AM335X_PIN_MMC0_CLK, PIN_INPUT_PULLUP, MUX_MODE0)        /* mmc0_clk.mmc0_clk */
 153                         AM33XX_PADCONF(AM335X_PIN_MMC0_CMD, PIN_INPUT_PULLUP, MUX_MODE0)        /* mmc0_cmd.mmc0_cmd */
 154                         AM33XX_PADCONF(AM335X_PIN_EMU1, PIN_INPUT_PULLUP, MUX_MODE7)    /* emu1.gpio3[8] */
 155                         AM33XX_PADCONF(AM335X_PIN_MCASP0_ACLKR, PIN_INPUT_PULLUP, MUX_MODE7)    /* mcasp0_aclkr.gpio3[18] */
 156                 >;
 157         };
 158 };
 159
 160 &uart0 {
 161         pinctrl-names = "default";
 162         pinctrl-0 = <&uart0_pins>;
 163         status = "okay";
 164 };
 165
 166 &uart1 {
 167         pinctrl-names = "default";
 168         pinctrl-0 = <&uart1_pins>;
 169         status = "okay";
 170         rts-gpio = <&gpio0 13 GPIO_ACTIVE_HIGH>;
 171         rs485-rts-active-high;
 172         rs485-rx-during-tx;
 173         rs485-rts-delay = <1 1>;
 174         linux,rs485-enabled-at-boot-time;
 175 };
 176
 177 &uart2 {
 178         pinctrl-names = "default";
 179         pinctrl-0 = <&uart2_pins>;
 180         status = "okay";
 181         rts-gpio = <&gpio2 15 GPIO_ACTIVE_HIGH>;
 182         rs485-rts-active-high;
 183         rs485-rts-delay = <1 1>;
 184         linux,rs485-enabled-at-boot-time;
 185 };
 186
 187 &uart3 {
 188         pinctrl-names = "default";
 189         pinctrl-0 = <&uart3_pins>;
 190         status = "okay";
 191 };
 192
 193 &uart4 {
 194         pinctrl-names = "default";
 195         pinctrl-0 = <&uart4_pins>;
 196         status = "okay";
 197 };
 198
 199 &uart5 {
 200         pinctrl-names = "default";
 201         pinctrl-0 = <&uart5_pins>;
 202         status = "okay";
 203 };
 204
 205 &i2c0 {
 206         status = "okay";
 207         pinctrl-names = "default";
 208         clock-frequency = <400000>;
 209         pinctrl-names = "default";
 210         pinctrl-0 = <&i2c0_pins>;
 211
 212         gpio@20 {
 213                 compatible = "microchip,mcp23017";
 214                 gpio-controller;
 215                 #gpio-cells = <2>;
 216                 reg = <0x20>;
 217         };
 218
 219         tps: tps@24 {
 220                 reg = <0x24>;
 221         };
 222
 223         eeprom@53 {
 224                 compatible = "microchip,24c02", "atmel,24c02";
 225                 reg = <0x53>;
 226                 pagesize = <8>;
 227         };
 228
 229         rtc@68 {
 230                 compatible = "dallas,ds1307";
 231                 reg = <0x68>;
 232         };
 233 };
 234
 235 &elm {
 236         status = "okay";
 237 };
 238
 239 &gpmc {
 240         compatible = "ti,am3352-gpmc";
 241         ti,hwmods = "gpmc";
 242         status = "okay";
 243         gpmc,num-waitpins = <2>;
 244         pinctrl-names = "default";
 245         pinctrl-0 = <&gpmc_pins>;
 246
 247         #address-cells = <2>;
 248         #size-cells = <1>;
 249         ranges = <0 0 0x08000000 0x08000000>,   /* CS0: NOR 128M */
 250                  <1 0 0x1c000000 0x01000000>;   /* CS1: FRAM 16M */
 251
 252         nor@0,0 {
 253                 reg = <0 0x00000000 0x08000000>;
 254                 compatible = "cfi-flash";
 255                 linux,mtd-name = "spansion,s29gl010p11t";
 256                 bank-width = <2>;
 257
 258                 gpmc,mux-add-data = <2>;
 259
 260                 gpmc,sync-clk-ps = <0>;
 261                 gpmc,cs-on-ns = <0>;
 262                 gpmc,cs-rd-off-ns = <160>;
 263                 gpmc,cs-wr-off-ns = <160>;
 264                 gpmc,adv-on-ns = <10>;
 265                 gpmc,adv-rd-off-ns = <30>;
 266                 gpmc,adv-wr-off-ns = <30>;
 267                 gpmc,oe-on-ns = <40>;
 268                 gpmc,oe-off-ns = <160>;
 269                 gpmc,we-on-ns = <40>;
 270                 gpmc,we-off-ns = <160>;
 271                 gpmc,rd-cycle-ns = <160>;
 272                 gpmc,wr-cycle-ns = <160>;
 273                 gpmc,access-ns = <150>;
 274                 gpmc,page-burst-access-ns = <10>;
 275                 gpmc,cycle2cycle-samecsen;
 276                 gpmc,cycle2cycle-delay-ns = <20>;
 277                 gpmc,wr-data-mux-bus-ns = <70>;
 278                 gpmc,wr-access-ns = <80>;
 279
 280                 #address-cells = <1>;
 281                 #size-cells = <1>;
 282
 283                 /*
 284                 MTD partition table
 285                 ===================
 286                 +------------+-->0x00000000-> U-Boot start
 287                 |            |
 288                 |            |-->0x000BFFFF-> U-Boot end
 289                 |            |-->0x000C0000-> ENV1 start
 290                 |            |
 291                 |            |-->0x000DFFFF-> ENV1 end
 292                 |            |-->0x000E0000-> ENV2 start
 293                 |            |
 294                 |            |-->0x000FFFFF-> ENV2 end
 295                 |            |-->0x00100000-> Kernel start
 296                 |            |
 297                 |            |-->0x004FFFFF-> Kernel end
 298                 |            |-->0x00500000-> File system start
 299                 |            |
 300                 |            |-->0x01FFFFFF-> File system end
 301                 |            |-->0x02000000-> User data start
 302                 |            |
 303                 |            |-->0x03FFFFFF-> User data end
 304                 |            |-->0x04000000-> Data storage start
 305                 |            |
 306                 +------------+-->0x08000000-> NOR end (Free end)
 307                 */
 308                 partition@0 {
 309                         label = "boot";
 310                         reg = <0x00000000 0x000c0000>; /* 768KB */
 311                 };
 312
 313                 partition@1 {
 314                         label = "env1";
 315                         reg = <0x000c0000 0x00020000>; /* 128KB */
 316                 };
 317
 318                 partition@2 {
 319                         label = "env2";
 320                         reg = <0x000e0000 0x00020000>; /* 128KB */
 321                 };
 322
 323                 partition@3 {
 324                         label = "kernel";
 325                         reg = <0x00100000 0x00400000>; /* 4MB */
 326                 };
 327
 328                 partition@4 {
 329                         label = "rootfs";
 330                         reg = <0x00500000 0x01b00000>; /* 27MB */
 331                 };
 332
 333                 partition@5 {
 334                         label = "user";
 335                         reg = <0x02000000 0x02000000>; /* 32MB */
 336                 };
 337
 338                 partition@6 {
 339                         label = "data";
 340                         reg = <0x04000000 0x04000000>; /* 64MB */
 341                 };
 342         };
 343
 344         fram@1,0 {
 345                 reg = <1 0x00000000 0x01000000>;
 346                 bank-width = <2>;
 347
 348                 gpmc,mux-add-data = <2>;
 349
 350                 gpmc,sync-clk-ps = <0>;
 351                 gpmc,cs-on-ns = <0>;
 352                 gpmc,cs-rd-off-ns = <160>;
 353                 gpmc,cs-wr-off-ns = <160>;
 354                 gpmc,adv-on-ns = <10>;
 355                 gpmc,adv-rd-off-ns = <20>;
 356                 gpmc,adv-wr-off-ns = <20>;
 357                 gpmc,oe-on-ns = <30>;
 358                 gpmc,oe-off-ns = <150>;
 359                 gpmc,we-on-ns = <30>;
 360                 gpmc,we-off-ns = <150>;
 361                 gpmc,rd-cycle-ns = <160>;
 362                 gpmc,wr-cycle-ns = <160>;
 363                 gpmc,access-ns = <130>;
 364                 gpmc,page-burst-access-ns = <10>;
 365                 gpmc,cycle2cycle-samecsen;
 366                 gpmc,cycle2cycle-diffcsen;
 367                 gpmc,cycle2cycle-delay-ns = <10>;
 368                 gpmc,wr-data-mux-bus-ns = <30>;
 369                 gpmc,wr-access-ns = <0>;
 370         };
 371 };
 372
 373 &mac {
 374         dual_emac;
 375         status = "okay";
 376 };
 377
 378 &davinci_mdio {
 379         status = "okay";
 380
 381         ethphy0: ethernet-phy@0 {
 382                 reg = <0>;
 383         };
 384
 385         ethphy1: ethernet-phy@1 {
 386                 reg = <1>;
 387         };
 388 };
 389
 390 &cpsw_emac0 {
 391         phy-handle = <&ethphy0>;
 392         phy-mode = "mii";
 393         dual_emac_res_vlan = <1>;
 394 };
 395
 396 &cpsw_emac1 {
 397         phy-handle = <&ethphy1>;
 398         phy-mode = "mii";
 399         dual_emac_res_vlan = <2>;
 400 };
 401
 402 &mmc1 {
 403         status = "okay";
 404         vmmc-supply = <&ldo4_reg>;
 405         pinctrl-names = "default";
 406         pinctrl-0 = <&mmc1_pins>;
 407         bus-width = <4>;
 408         cd-gpios = <&gpio3 8 0>;
 409         wp-gpios = <&gpio3 18 0>;
 410 };
 411
 412 #include "tps65217.dtsi"
 413
 414 &tps {
 415         regulators {
 416                 dcdc1_reg: regulator@0 {
 417                         /* +1.5V voltage with ±4% tolerance */
 418                         regulator-min-microvolt = <1450000>;
 419                         regulator-max-microvolt = <1550000>;
 420                         regulator-boot-on;
 421                         regulator-always-on;
 422                 };
 423
 424                 dcdc2_reg: regulator@1 {
 425                         /* VDD_MPU voltage limits 0.95V - 1.1V with ±4% tolerance */
 426                         regulator-name = "vdd_mpu";
 427                         regulator-min-microvolt = <915000>;
 428                         regulator-max-microvolt = <1140000>;
 429                         regulator-boot-on;
 430                         regulator-always-on;
 431                 };
 432
 433                 dcdc3_reg: regulator@2 {
 434                         /* VDD_CORE voltage limits 0.95V - 1.1V with ±4% tolerance */
 435                         regulator-name = "vdd_core";
 436                         regulator-min-microvolt = <915000>;
 437                         regulator-max-microvolt = <1140000>;
 438                         regulator-boot-on;
 439                         regulator-always-on;
 440                 };
 441
 442                 ldo1_reg: regulator@3 {
 443                         /* +1.8V voltage with ±4% tolerance */
 444                         regulator-min-microvolt = <1750000>;
 445                         regulator-max-microvolt = <1870000>;
 446                         regulator-boot-on;
 447                         regulator-always-on;
 448                 };
 449
 450                 ldo2_reg: regulator@4 {
 451                         /* +3.3V voltage with ±4% tolerance */
 452                         regulator-min-microvolt = <3175000>;
 453                         regulator-max-microvolt = <3430000>;
 454                         regulator-boot-on;
 455                         regulator-always-on;
 456                 };
 457
 458                 ldo3_reg: regulator@5 {
 459                         /* +1.8V voltage with ±4% tolerance */
 460                         regulator-min-microvolt = <1750000>;
 461                         regulator-max-microvolt = <1870000>;
 462                         regulator-boot-on;
 463                         regulator-always-on;
 464                 };
 465
 466                 ldo4_reg: regulator@6 {
 467                         /* +3.3V voltage with ±4% tolerance */
 468                         regulator-min-microvolt = <3175000>;
 469                         regulator-max-microvolt = <3430000>;
 470                         regulator-boot-on;
 471                         regulator-always-on;
 472                 };
 473         };
 474 };