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         aliases {
  20                 serial0 = &scifa0;
  21         };
  22
  23         chosen {
  24                 bootargs = "console=ttySC0,115200 ignore_loglevel rw";
  25         };
  26
  27         memory@40000000 {
  28                 device_type = "memory";
  29                 reg = <0 0x40000000 0 0x40000000>;
  30         };
  31
  32         memory@200000000 {
  33                 device_type = "memory";
  34                 reg = <2 0x00000000 0 0x40000000>;
  35         };
  36
  37         vcc_mmc0: regulator@0 {
  38                 compatible = "regulator-fixed";
  39                 regulator-name = "MMC0 Vcc";
  40                 regulator-min-microvolt = <2800000>;
  41                 regulator-max-microvolt = <2800000>;
  42                 regulator-always-on;
  43         };
  44
  45         vcc_sdhi0: regulator@1 {
  46                 compatible = "regulator-fixed";
  47
  48                 regulator-name = "SDHI0 Vcc";
  49                 regulator-min-microvolt = <3300000>;
  50                 regulator-max-microvolt = <3300000>;
  51
  52                 gpio = <&pfc 76 GPIO_ACTIVE_HIGH>;
  53                 enable-active-high;
  54         };
  55
  56         /* Common 3.3V rail, used by several devices on APE6EVM */
  57         ape6evm_fixed_3v3: regulator@2 {
  58                 compatible = "regulator-fixed";
  59                 regulator-name = "3V3";
  60                 regulator-min-microvolt = <3300000>;
  61                 regulator-max-microvolt = <3300000>;
  62                 regulator-always-on;
  63         };
  64
  65         lbsc {
  66                 compatible = "simple-bus";
  67                 #address-cells = <1>;
  68                 #size-cells = <1>;
  69                 ranges = <0 0 0 0x80000000>;
  70         };
  71 };
  72
  73 &i2c5 {
  74         status = "okay";
  75         vdd_dvfs: max8973@1b {
  76                 compatible = "maxim,max8973";
  77                 reg = <0x1b>;
  78
  79                 regulator-min-microvolt = <935000>;
  80                 regulator-max-microvolt = <1200000>;
  81                 regulator-boot-on;
  82                 regulator-always-on;
  83         };
  84 };
  85
  86 &cpu0 {
  87         cpu0-supply = <&vdd_dvfs>;
  88         operating-points = <
  89                 /* kHz  uV */
  90                 1950000 1115000
  91                 1462500  995000
  92         >;
  93         voltage-tolerance = <1>; /* 1% */
  94 };
  95
  96 &pfc {
  97         scifa0_pins: serial0 {
  98                 renesas,groups = "scifa0_data";
  99                 renesas,function = "scifa0";
 100         };
 101
 102         mmc0_pins: mmc {
 103                 renesas,groups = "mmc0_data8", "mmc0_ctrl";
 104                 renesas,function = "mmc0";
 105         };
 106
 107         sdhi0_pins: sd0 {
 108                 renesas,groups = "sdhi0_data4", "sdhi0_ctrl", "sdhi0_cd";
 109                 renesas,function = "sdhi0";
 110         };
 111
 112         sdhi1_pins: sd1 {
 113                 renesas,groups = "sdhi1_data4", "sdhi1_ctrl";
 114                 renesas,function = "sdhi1";
 115         };
 116 };
 117
 118 &mmcif0 {
 119         vmmc-supply = <&vcc_mmc0>;
 120         bus-width = <8>;
 121         non-removable;
 122         pinctrl-names = "default";
 123         pinctrl-0 = <&mmc0_pins>;
 124         status = "okay";
 125 };
 126
 127 &scifa0 {
 128         pinctrl-0 = <&scifa0_pins>;
 129         pinctrl-names = "default";
 130
 131         status = "okay";
 132 };
 133
 134 &sdhi0 {
 135         vmmc-supply = <&vcc_sdhi0>;
 136         bus-width = <4>;
 137         toshiba,mmc-wrprotect-disable;
 138         pinctrl-names = "default";
 139         pinctrl-0 = <&sdhi0_pins>;
 140         status = "okay";
 141 };
 142
 143 &sdhi1 {
 144         vmmc-supply = <&ape6evm_fixed_3v3>;
 145         bus-width = <4>;
 146         broken-cd;
 147         toshiba,mmc-wrprotect-disable;
 148         pinctrl-names = "default";
 149         pinctrl-0 = <&sdhi1_pins>;
 150         status = "okay";
 151 };