arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts

   1 /*
   2  * Device Tree Source for the APE6EVM board
   3  *
   4  * Copyright (C) 2013 Renesas Solutions Corp.
   5  *
   6  * This file is licensed under the terms of the GNU General Public License
   7  * version 2.  This program is licensed "as is" without any warranty of any
   8  * kind, whether express or implied.
   9  */
  10
  11 /dts-v1/;
  12 /include/ "r8a73a4.dtsi"
  13 #include <dt-bindings/gpio/gpio.h>
  14
  15 / {
  16         model = "APE6EVM";
  17         compatible = "renesas,ape6evm-reference", "renesas,r8a73a4";
  18
  19         chosen {
  20                 bootargs = "console=ttySC0,115200 ignore_loglevel rw";
  21         };
  22
  23         memory@40000000 {
  24                 device_type = "memory";
  25                 reg = <0 0x40000000 0 0x40000000>;
  26         };
  27
  28         vcc_mmc0: regulator@0 {
  29                 compatible = "regulator-fixed";
  30                 regulator-name = "MMC0 Vcc";
  31                 regulator-min-microvolt = <2800000>;
  32                 regulator-max-microvolt = <2800000>;
  33                 regulator-always-on;
  34         };
  35
  36         vcc_sdhi0: regulator@1 {
  37                 compatible = "regulator-fixed";
  38
  39                 regulator-name = "SDHI0 Vcc";
  40                 regulator-min-microvolt = <3300000>;
  41                 regulator-max-microvolt = <3300000>;
  42
  43                 gpio = <&pfc 76 GPIO_ACTIVE_HIGH>;
  44                 enable-active-high;
  45         };
  46
  47         /* Common 3.3V rail, used by several devices on APE6EVM */
  48         ape6evm_fixed_3v3: regulator@2 {
  49                 compatible = "regulator-fixed";
  50                 regulator-name = "3V3";
  51                 regulator-min-microvolt = <3300000>;
  52                 regulator-max-microvolt = <3300000>;
  53                 regulator-always-on;
  54         };
  55
  56         lbsc {
  57                 compatible = "simple-bus";
  58                 #address-cells = <1>;
  59                 #size-cells = <1>;
  60                 ranges = <0 0 0 0x80000000>;
  61         };
  62 };
  63
  64 &i2c5 {
  65         vdd_dvfs: max8973@1b {
  66                 compatible = "maxim,max8973";
  67                 reg = <0x1b>;
  68
  69                 regulator-min-microvolt = <935000>;
  70                 regulator-max-microvolt = <1200000>;
  71                 regulator-boot-on;
  72                 regulator-always-on;
  73         };
  74 };
  75
  76 &cpu0 {
  77         cpu0-supply = <&vdd_dvfs>;
  78         operating-points = <
  79                 /* kHz  uV */
  80                 1950000 1115000
  81                 1462500  995000
  82         >;
  83         voltage-tolerance = <1>; /* 1% */
  84 };
  85
  86 &pfc {
  87         pinctrl-0 = <&scifa0_pins>;
  88         pinctrl-names = "default";
  89
  90         scifa0_pins: scifa0 {
  91                 renesas,groups = "scifa0_data";
  92                 renesas,function = "scifa0";
  93         };
  94
  95         mmc0_pins: mmcif {
  96                 renesas,groups = "mmc0_data8", "mmc0_ctrl";
  97                 renesas,function = "mmc0";
  98         };
  99
 100         sdhi0_pins: sdhi0 {
 101                 renesas,groups = "sdhi0_data4", "sdhi0_ctrl", "sdhi0_cd";
 102                 renesas,function = "sdhi0";
 103         };
 104
 105         sdhi1_pins: sdhi1 {
 106                 renesas,groups = "sdhi1_data4", "sdhi1_ctrl";
 107                 renesas,function = "sdhi1";
 108         };
 109 };
 110
 111 &mmcif0 {
 112         vmmc-supply = <&vcc_mmc0>;
 113         bus-width = <8>;
 114         non-removable;
 115         pinctrl-names = "default";
 116         pinctrl-0 = <&mmc0_pins>;
 117         status = "okay";
 118 };
 119
 120 &sdhi0 {
 121         vmmc-supply = <&vcc_sdhi0>;
 122         bus-width = <4>;
 123         toshiba,mmc-wrprotect-disable;
 124         pinctrl-names = "default";
 125         pinctrl-0 = <&sdhi0_pins>;
 126         status = "okay";
 127 };
 128
 129 &sdhi1 {
 130         vmmc-supply = <&ape6evm_fixed_3v3>;
 131         bus-width = <4>;
 132         broken-cd;
 133         toshiba,mmc-wrprotect-disable;
 134         pinctrl-names = "default";
 135         pinctrl-0 = <&sdhi1_pins>;
 136         status = "okay";
 137 };