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