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

   1 /*
   2  * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8
   9 / {
  10         cpus {
  11                 cpu@0 {
  12                         cpu0-supply = <&dcdc2_reg>;
  13                 };
  14         };
  15
  16         memory {
  17                 device_type = "memory";
  18                 reg = <0x80000000 0x10000000>; /* 256 MB */
  19         };
  20
  21         leds {
  22                 pinctrl-names = "default";
  23                 pinctrl-0 = <&user_leds_s0>;
  24
  25                 compatible = "gpio-leds";
  26
  27                 led@2 {
  28                         label = "beaglebone:green:heartbeat";
  29                         gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;
  30                         linux,default-trigger = "heartbeat";
  31                         default-state = "off";
  32                 };
  33
  34                 led@3 {
  35                         label = "beaglebone:green:mmc0";
  36                         gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>;
  37                         linux,default-trigger = "mmc0";
  38                         default-state = "off";
  39                 };
  40
  41                 led@4 {
  42                         label = "beaglebone:green:usr2";
  43                         gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>;
  44                         linux,default-trigger = "cpu0";
  45                         default-state = "off";
  46                 };
  47
  48                 led@5 {
  49                         label = "beaglebone:green:usr3";
  50                         gpios = <&gpio1 24 GPIO_ACTIVE_HIGH>;
  51                         linux,default-trigger = "mmc1";
  52                         default-state = "off";
  53                 };
  54         };
  55
  56         vmmcsd_fixed: fixedregulator@0 {
  57                 compatible = "regulator-fixed";
  58                 regulator-name = "vmmcsd_fixed";
  59                 regulator-min-microvolt = <3300000>;
  60                 regulator-max-microvolt = <3300000>;
  61         };
  62 };
  63
  64 &am33xx_pinmux {
  65         pinctrl-names = "default";
  66         pinctrl-0 = <&clkout2_pin>;
  67
  68         user_leds_s0: user_leds_s0 {
  69                 pinctrl-single,pins = <
  70                         0x54 (PIN_OUTPUT_PULLDOWN | MUX_MODE7)  /* gpmc_a5.gpio1_21 */
  71                         0x58 (PIN_OUTPUT_PULLUP | MUX_MODE7)    /* gpmc_a6.gpio1_22 */
  72                         0x5c (PIN_OUTPUT_PULLDOWN | MUX_MODE7)  /* gpmc_a7.gpio1_23 */
  73                         0x60 (PIN_OUTPUT_PULLUP | MUX_MODE7)    /* gpmc_a8.gpio1_24 */
  74                 >;
  75         };
  76
  77         i2c0_pins: pinmux_i2c0_pins {
  78                 pinctrl-single,pins = <
  79                         0x188 (PIN_INPUT_PULLUP | MUX_MODE0)    /* i2c0_sda.i2c0_sda */
  80                         0x18c (PIN_INPUT_PULLUP | MUX_MODE0)    /* i2c0_scl.i2c0_scl */
  81                 >;
  82         };
  83
  84         uart0_pins: pinmux_uart0_pins {
  85                 pinctrl-single,pins = <
  86                         0x170 (PIN_INPUT_PULLUP | MUX_MODE0)    /* uart0_rxd.uart0_rxd */
  87                         0x174 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */
  88                 >;
  89         };
  90
  91         clkout2_pin: pinmux_clkout2_pin {
  92                 pinctrl-single,pins = <
  93                         0x1b4 (PIN_OUTPUT_PULLDOWN | MUX_MODE3) /* xdma_event_intr1.clkout2 */
  94                 >;
  95         };
  96
  97         cpsw_default: cpsw_default {
  98                 pinctrl-single,pins = <
  99                         /* Slave 1 */
 100                         0x110 (PIN_INPUT_PULLUP | MUX_MODE0)    /* mii1_rxerr.mii1_rxerr */
 101                         0x114 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mii1_txen.mii1_txen */
 102                         0x118 (PIN_INPUT_PULLUP | MUX_MODE0)    /* mii1_rxdv.mii1_rxdv */
 103                         0x11c (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mii1_txd3.mii1_txd3 */
 104                         0x120 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mii1_txd2.mii1_txd2 */
 105                         0x124 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mii1_txd1.mii1_txd1 */
 106                         0x128 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mii1_txd0.mii1_txd0 */
 107                         0x12c (PIN_INPUT_PULLUP | MUX_MODE0)    /* mii1_txclk.mii1_txclk */
 108                         0x130 (PIN_INPUT_PULLUP | MUX_MODE0)    /* mii1_rxclk.mii1_rxclk */
 109                         0x134 (PIN_INPUT_PULLUP | MUX_MODE0)    /* mii1_rxd3.mii1_rxd3 */
 110                         0x138 (PIN_INPUT_PULLUP | MUX_MODE0)    /* mii1_rxd2.mii1_rxd2 */
 111                         0x13c (PIN_INPUT_PULLUP | MUX_MODE0)    /* mii1_rxd1.mii1_rxd1 */
 112                         0x140 (PIN_INPUT_PULLUP | MUX_MODE0)    /* mii1_rxd0.mii1_rxd0 */
 113                 >;
 114         };
 115
 116         cpsw_sleep: cpsw_sleep {
 117                 pinctrl-single,pins = <
 118                         /* Slave 1 reset value */
 119                         0x110 (PIN_INPUT_PULLDOWN | MUX_MODE7)
 120                         0x114 (PIN_INPUT_PULLDOWN | MUX_MODE7)
 121                         0x118 (PIN_INPUT_PULLDOWN | MUX_MODE7)
 122                         0x11c (PIN_INPUT_PULLDOWN | MUX_MODE7)
 123                         0x120 (PIN_INPUT_PULLDOWN | MUX_MODE7)
 124                         0x124 (PIN_INPUT_PULLDOWN | MUX_MODE7)
 125                         0x128 (PIN_INPUT_PULLDOWN | MUX_MODE7)
 126                         0x12c (PIN_INPUT_PULLDOWN | MUX_MODE7)
 127                         0x130 (PIN_INPUT_PULLDOWN | MUX_MODE7)
 128                         0x134 (PIN_INPUT_PULLDOWN | MUX_MODE7)
 129                         0x138 (PIN_INPUT_PULLDOWN | MUX_MODE7)
 130                         0x13c (PIN_INPUT_PULLDOWN | MUX_MODE7)
 131                         0x140 (PIN_INPUT_PULLDOWN | MUX_MODE7)
 132                 >;
 133         };
 134
 135         davinci_mdio_default: davinci_mdio_default {
 136                 pinctrl-single,pins = <
 137                         /* MDIO */
 138                         0x148 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)    /* mdio_data.mdio_data */
 139                         0x14c (PIN_OUTPUT_PULLUP | MUX_MODE0)                   /* mdio_clk.mdio_clk */
 140                 >;
 141         };
 142
 143         davinci_mdio_sleep: davinci_mdio_sleep {
 144                 pinctrl-single,pins = <
 145                         /* MDIO reset value */
 146                         0x148 (PIN_INPUT_PULLDOWN | MUX_MODE7)
 147                         0x14c (PIN_INPUT_PULLDOWN | MUX_MODE7)
 148                 >;
 149         };
 150
 151         mmc1_pins: pinmux_mmc1_pins {
 152                 pinctrl-single,pins = <
 153                         0x160 (PIN_INPUT | MUX_MODE7) /* GPIO0_6 */
 154                 >;
 155         };
 156
 157         emmc_pins: pinmux_emmc_pins {
 158                 pinctrl-single,pins = <
 159                         0x80 (PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk */
 160                         0x84 (PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn2.mmc1_cmd */
 161                         0x00 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad0.mmc1_dat0 */
 162                         0x04 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad1.mmc1_dat1 */
 163                         0x08 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad2.mmc1_dat2 */
 164                         0x0c (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad3.mmc1_dat3 */
 165                         0x10 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad4.mmc1_dat4 */
 166                         0x14 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad5.mmc1_dat5 */
 167                         0x18 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad6.mmc1_dat6 */
 168                         0x1c (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad7.mmc1_dat7 */
 169                 >;
 170         };
 171 };
 172
 173 &uart0 {
 174         pinctrl-names = "default";
 175         pinctrl-0 = <&uart0_pins>;
 176
 177         status = "okay";
 178 };
 179
 180 &usb {
 181         status = "okay";
 182 };
 183
 184 &usb_ctrl_mod {
 185         status = "okay";
 186 };
 187
 188 &usb0_phy {
 189         status = "okay";
 190 };
 191
 192 &usb1_phy {
 193         status = "okay";
 194 };
 195
 196 &usb0 {
 197         status = "okay";
 198         dr_mode = "peripheral";
 199 };
 200
 201 &usb1 {
 202         status = "okay";
 203         dr_mode = "host";
 204 };
 205
 206 &cppi41dma  {
 207         status = "okay";
 208 };
 209
 210 &i2c0 {
 211         pinctrl-names = "default";
 212         pinctrl-0 = <&i2c0_pins>;
 213
 214         status = "okay";
 215         clock-frequency = <400000>;
 216
 217         tps: tps@24 {
 218                 reg = <0x24>;
 219         };
 220
 221 };
 222
 223 /include/ "tps65217.dtsi"
 224
 225 &tps {
 226         /*
 227          * Configure pmic to enter OFF-state instead of SLEEP-state ("RTC-only
 228          * mode") at poweroff.  Most BeagleBone versions do not support RTC-only
 229          * mode and risk hardware damage if this mode is entered.
 230          *
 231          * For details, see linux-omap mailing list May 2015 thread
 232          *      [PATCH] ARM: dts: am335x-bone* enable pmic-shutdown-controller
 233          * In particular, messages:
 234          *      http://www.spinics.net/lists/linux-omap/msg118585.html
 235          *      http://www.spinics.net/lists/linux-omap/msg118615.html
 236          *
 237          * You can override this later with
 238          *      &tps {  /delete-property/ ti,pmic-shutdown-controller;  }
 239          * if you want to use RTC-only mode and made sure you are not affected
 240          * by the hardware problems. (Tip: double-check by performing a current
 241          * measurement after shutdown: it should be less than 1 mA.)
 242          */
 243         ti,pmic-shutdown-controller;
 244
 245         regulators {
 246                 dcdc1_reg: regulator@0 {
 247                         regulator-name = "vdds_dpr";
 248                         regulator-always-on;
 249                 };
 250
 251                 dcdc2_reg: regulator@1 {
 252                         /* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */
 253                         regulator-name = "vdd_mpu";
 254                         regulator-min-microvolt = <925000>;
 255                         regulator-max-microvolt = <1325000>;
 256                         regulator-boot-on;
 257                         regulator-always-on;
 258                 };
 259
 260                 dcdc3_reg: regulator@2 {
 261                         /* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */
 262                         regulator-name = "vdd_core";
 263                         regulator-min-microvolt = <925000>;
 264                         regulator-max-microvolt = <1150000>;
 265                         regulator-boot-on;
 266                         regulator-always-on;
 267                 };
 268
 269                 ldo1_reg: regulator@3 {
 270                         regulator-name = "vio,vrtc,vdds";
 271                         regulator-always-on;
 272                 };
 273
 274                 ldo2_reg: regulator@4 {
 275                         regulator-name = "vdd_3v3aux";
 276                         regulator-always-on;
 277                 };
 278
 279                 ldo3_reg: regulator@5 {
 280                         regulator-name = "vdd_1v8";
 281                         regulator-always-on;
 282                 };
 283
 284                 ldo4_reg: regulator@6 {
 285                         regulator-name = "vdd_3v3a";
 286                         regulator-always-on;
 287                 };
 288         };
 289 };
 290
 291 &cpsw_emac0 {
 292         phy_id = <&davinci_mdio>, <0>;
 293         phy-mode = "mii";
 294 };
 295
 296 &cpsw_emac1 {
 297         phy_id = <&davinci_mdio>, <1>;
 298         phy-mode = "mii";
 299 };
 300
 301 &mac {
 302         pinctrl-names = "default", "sleep";
 303         pinctrl-0 = <&cpsw_default>;
 304         pinctrl-1 = <&cpsw_sleep>;
 305         status = "okay";
 306 };
 307
 308 &davinci_mdio {
 309         pinctrl-names = "default", "sleep";
 310         pinctrl-0 = <&davinci_mdio_default>;
 311         pinctrl-1 = <&davinci_mdio_sleep>;
 312         status = "okay";
 313 };
 314
 315 &mmc1 {
 316         status = "okay";
 317         bus-width = <0x4>;
 318         pinctrl-names = "default";
 319         pinctrl-0 = <&mmc1_pins>;
 320         cd-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
 321         cd-inverted;
 322 };
 323
 324 &aes {
 325         status = "okay";
 326 };
 327
 328 &sham {
 329         status = "okay";
 330 };