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 = "ignore_loglevel rw";
  25                 stdout-path = &scifa0;
  26         };
  27
  28         memory@40000000 {
  29                 device_type = "memory";
  30                 reg = <0 0x40000000 0 0x40000000>;
  31         };
  32
  33         memory@200000000 {
  34                 device_type = "memory";
  35                 reg = <2 0x00000000 0 0x40000000>;
  36         };
  37
  38         vcc_mmc0: regulator@0 {
  39                 compatible = "regulator-fixed";
  40                 regulator-name = "MMC0 Vcc";
  41                 regulator-min-microvolt = <2800000>;
  42                 regulator-max-microvolt = <2800000>;
  43                 regulator-always-on;
  44         };
  45
  46         vcc_sdhi0: regulator@1 {
  47                 compatible = "regulator-fixed";
  48
  49                 regulator-name = "SDHI0 Vcc";
  50                 regulator-min-microvolt = <3300000>;
  51                 regulator-max-microvolt = <3300000>;
  52
  53                 gpio = <&pfc 76 GPIO_ACTIVE_HIGH>;
  54                 enable-active-high;
  55         };
  56
  57         /* Common 3.3V rail, used by several devices on APE6EVM */
  58         ape6evm_fixed_3v3: regulator@2 {
  59                 compatible = "regulator-fixed";
  60                 regulator-name = "3V3";
  61                 regulator-min-microvolt = <3300000>;
  62                 regulator-max-microvolt = <3300000>;
  63                 regulator-always-on;
  64         };
  65
  66         lbsc {
  67                 compatible = "simple-bus";
  68                 #address-cells = <1>;
  69                 #size-cells = <1>;
  70                 ranges = <0 0 0 0x80000000>;
  71         };
  72 };
  73
  74 &i2c5 {
  75         status = "okay";
  76         vdd_dvfs: max8973@1b {
  77                 compatible = "maxim,max8973";
  78                 reg = <0x1b>;
  79
  80                 regulator-min-microvolt = <935000>;
  81                 regulator-max-microvolt = <1200000>;
  82                 regulator-boot-on;
  83                 regulator-always-on;
  84         };
  85 };
  86
  87 &cpu0 {
  88         cpu0-supply = <&vdd_dvfs>;
  89         operating-points = <
  90                 /* kHz  uV */
  91                 1950000 1115000
  92                 1462500  995000
  93         >;
  94         voltage-tolerance = <1>; /* 1% */
  95 };
  96
  97 &pfc {
  98         scifa0_pins: serial0 {
  99                 renesas,groups = "scifa0_data";
 100                 renesas,function = "scifa0";
 101         };
 102
 103         mmc0_pins: mmc {
 104                 renesas,groups = "mmc0_data8", "mmc0_ctrl";
 105                 renesas,function = "mmc0";
 106         };
 107
 108         sdhi0_pins: sd0 {
 109                 renesas,groups = "sdhi0_data4", "sdhi0_ctrl", "sdhi0_cd";
 110                 renesas,function = "sdhi0";
 111         };
 112
 113         sdhi1_pins: sd1 {
 114                 renesas,groups = "sdhi1_data4", "sdhi1_ctrl";
 115                 renesas,function = "sdhi1";
 116         };
 117 };
 118
 119 &mmcif0 {
 120         vmmc-supply = <&vcc_mmc0>;
 121         bus-width = <8>;
 122         non-removable;
 123         pinctrl-names = "default";
 124         pinctrl-0 = <&mmc0_pins>;
 125         status = "okay";
 126 };
 127
 128 &scifa0 {
 129         pinctrl-0 = <&scifa0_pins>;
 130         pinctrl-names = "default";
 131
 132         status = "okay";
 133 };
 134
 135 &sdhi0 {
 136         vmmc-supply = <&vcc_sdhi0>;
 137         bus-width = <4>;
 138         toshiba,mmc-wrprotect-disable;
 139         pinctrl-names = "default";
 140         pinctrl-0 = <&sdhi0_pins>;
 141         status = "okay";
 142 };
 143
 144 &sdhi1 {
 145         vmmc-supply = <&ape6evm_fixed_3v3>;
 146         bus-width = <4>;
 147         broken-cd;
 148         toshiba,mmc-wrprotect-disable;
 149         pinctrl-names = "default";
 150         pinctrl-0 = <&sdhi1_pins>;
 151         status = "okay";
 152 };