arch/arm/dts/k3-am654-base-board.dts

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (C) 2016-2018 Texas Instruments Incorporated - http://www.ti.com/
   4  */
   5
   6 /dts-v1/;
   7
   8 #include "k3-am654.dtsi"
   9 #include <dt-bindings/pinctrl/k3.h>
  10
  11 / {
  12         compatible =  "ti,am654-evm", "ti,am654";
  13         model = "Texas Instruments AM654 Base Board";
  14
  15         chosen {
  16                 stdout-path = "serial2:115200n8";
  17                 bootargs = "earlycon=ns16550a,mmio32,0x02800000";
  18         };
  19
  20         memory@80000000 {
  21                 device_type = "memory";
  22                 /* 4G RAM */
  23                 reg = <0x00000000 0x80000000 0x00000000 0x80000000>,
  24                       <0x00000008 0x80000000 0x00000000 0x80000000>;
  25         };
  26
  27         reserved-memory {
  28                 #address-cells = <2>;
  29                 #size-cells = <2>;
  30                 ranges;
  31                 secure_ddr: secure_ddr@9e800000 {
  32                         reg = <0 0x9e800000 0 0x01800000>; /* for OP-TEE */
  33                         alignment = <0x1000>;
  34                         no-map;
  35                 };
  36         };
  37 };
  38
  39 &main_pmx0 {
  40         main_mmc0_pins_default: main_mmc0_pins_default {
  41                 pinctrl-single,pins = <
  42                         AM65X_IOPAD(0x01a8, PIN_INPUT_PULLDOWN, 0)      /* (B25) MMC0_CLK */
  43                         AM65X_IOPAD(0x01aC, PIN_INPUT_PULLUP, 0)        /* (B27) MMC0_CMD */
  44                         AM65X_IOPAD(0x01a4, PIN_INPUT_PULLUP, 0)        /* (A26) MMC0_DAT0 */
  45                         AM65X_IOPAD(0x01a0, PIN_INPUT_PULLUP, 0)        /* (E25) MMC0_DAT1 */
  46                         AM65X_IOPAD(0x019c, PIN_INPUT_PULLUP, 0)        /* (C26) MMC0_DAT2 */
  47                         AM65X_IOPAD(0x0198, PIN_INPUT_PULLUP, 0)        /* (A25) MMC0_DAT3 */
  48                         AM65X_IOPAD(0x0194, PIN_INPUT_PULLUP, 0)        /* (E24) MMC0_DAT4 */
  49                         AM65X_IOPAD(0x0190, PIN_INPUT_PULLUP, 0)        /* (A24) MMC0_DAT5 */
  50                         AM65X_IOPAD(0x018c, PIN_INPUT_PULLUP, 0)        /* (B26) MMC0_DAT6 */
  51                         AM65X_IOPAD(0x0188, PIN_INPUT_PULLUP, 0)        /* (D25) MMC0_DAT7 */
  52                         AM65X_IOPAD(0x01b4, PIN_INPUT_PULLUP, 0)        /* (A23) MMC0_SDCD */
  53                         AM65X_IOPAD(0x01b0, PIN_INPUT, 0)               /* (C25) MMC0_DS */
  54                 >;
  55         };
  56 };
  57
  58 &wkup_pmx0 {
  59         wkup_i2c0_pins_default: wkup-i2c0-pins-default {
  60                 pinctrl-single,pins = <
  61                         AM65X_WKUP_IOPAD(0x00e0, PIN_INPUT, 0) /* (AC7) WKUP_I2C0_SCL */
  62                         AM65X_WKUP_IOPAD(0x00e4, PIN_INPUT, 0) /* (AD6) WKUP_I2C0_SDA */
  63                 >;
  64         };
  65 };
  66
  67 &sdhci0 {
  68         pinctrl-names = "default";
  69         pinctrl-0 = <&main_mmc0_pins_default>;
  70         bus-width = <8>;
  71         non-removable;
  72         ti,driver-strength-ohm = <50>;
  73 };
  74
  75 &wkup_i2c0 {
  76         pinctrl-names = "default";
  77         pinctrl-0 = <&wkup_i2c0_pins_default>;
  78         clock-frequency = <400000>;
  79
  80         tca9554: gpio@38 {
  81                 compatible = "nxp,pca9554";
  82                 reg = <0x38>;
  83                 gpio-controller;
  84                 #gpio-cells = <2>;
  85         };
  86 };