arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts

   1 /*
   2  * Reference Device Tree Source for the armadillo 800 eva board
   3  *
   4  * Copyright (C) 2012 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 "r8a7740.dtsi"
  13 #include <dt-bindings/gpio/gpio.h>
  14 #include <dt-bindings/interrupt-controller/irq.h>
  15 #include <dt-bindings/pwm/pwm.h>
  16
  17 / {
  18         model = "armadillo 800 eva reference";
  19         compatible = "renesas,armadillo800eva-reference", "renesas,r8a7740";
  20
  21         chosen {
  22                 bootargs = "console=tty0 console=ttySC1,115200 earlyprintk=sh-sci.1,115200 ignore_loglevel root=/dev/nfs ip=dhcp rw";
  23         };
  24
  25         memory {
  26                 device_type = "memory";
  27                 reg = <0x40000000 0x20000000>;
  28         };
  29
  30         reg_3p3v: regulator@0 {
  31                 compatible = "regulator-fixed";
  32                 regulator-name = "fixed-3.3V";
  33                 regulator-min-microvolt = <3300000>;
  34                 regulator-max-microvolt = <3300000>;
  35                 regulator-always-on;
  36                 regulator-boot-on;
  37         };
  38
  39         vcc_sdhi0: regulator@1 {
  40                 compatible = "regulator-fixed";
  41
  42                 regulator-name = "SDHI0 Vcc";
  43                 regulator-min-microvolt = <3300000>;
  44                 regulator-max-microvolt = <3300000>;
  45
  46                 gpio = <&pfc 75 GPIO_ACTIVE_HIGH>;
  47                 enable-active-high;
  48         };
  49
  50         vccq_sdhi0: regulator@2 {
  51                 compatible = "regulator-gpio";
  52
  53                 regulator-name = "SDHI0 VccQ";
  54                 regulator-min-microvolt = <1800000>;
  55                 regulator-max-microvolt = <3300000>;
  56                 vin-supply = <&vcc_sdhi0>;
  57
  58                 enable-gpio = <&pfc 74 GPIO_ACTIVE_HIGH>;
  59                 gpios = <&pfc 17 GPIO_ACTIVE_HIGH>;
  60                 states = <3300000 0
  61                           1800000 1>;
  62
  63                 enable-active-high;
  64         };
  65
  66         reg_5p0v: regulator@3 {
  67                 compatible = "regulator-fixed";
  68                 regulator-name = "fixed-5.0V";
  69                 regulator-min-microvolt = <5000000>;
  70                 regulator-max-microvolt = <5000000>;
  71                 regulator-always-on;
  72                 regulator-boot-on;
  73         };
  74
  75         gpio-keys {
  76                 compatible = "gpio-keys";
  77
  78                 power-key {
  79                         gpios = <&pfc 99 GPIO_ACTIVE_LOW>;
  80                         linux,code = <116>;
  81                         label = "SW3";
  82                         gpio-key,wakeup;
  83                 };
  84
  85                 back-key {
  86                         gpios = <&pfc 100 GPIO_ACTIVE_LOW>;
  87                         linux,code = <158>;
  88                         label = "SW4";
  89                 };
  90
  91                 menu-key {
  92                         gpios = <&pfc 97 GPIO_ACTIVE_LOW>;
  93                         linux,code = <139>;
  94                         label = "SW5";
  95                 };
  96
  97                 home-key {
  98                         gpios = <&pfc 98 GPIO_ACTIVE_LOW>;
  99                         linux,code = <102>;
 100                         label = "SW6";
 101                 };
 102         };
 103
 104         leds {
 105                 compatible = "gpio-leds";
 106                 led1 {
 107                         gpios = <&pfc 102 GPIO_ACTIVE_HIGH>;
 108                 };
 109                 led2 {
 110                         gpios = <&pfc 111 GPIO_ACTIVE_HIGH>;
 111                 };
 112                 led3 {
 113                         gpios = <&pfc 110 GPIO_ACTIVE_HIGH>;
 114                 };
 115                 led4 {
 116                         gpios = <&pfc 177 GPIO_ACTIVE_HIGH>;
 117                 };
 118         };
 119
 120         backlight {
 121                 compatible = "pwm-backlight";
 122                 pwms = <&tpu 2 33333 PWM_POLARITY_INVERTED>;
 123                 brightness-levels = <0 1 2 4 8 16 32 64 128 255>;
 124                 default-brightness-level = <9>;
 125                 pinctrl-0 = <&backlight_pins>;
 126                 pinctrl-names = "default";
 127                 power-supply = <&reg_5p0v>;
 128                 enable-gpios = <&pfc 61 GPIO_ACTIVE_HIGH>;
 129         };
 130
 131         sound {
 132                 compatible = "simple-audio-card";
 133
 134                 simple-audio-card,format = "i2s";
 135
 136                 simple-audio-card,cpu {
 137                         sound-dai = <&sh_fsi2 0>;
 138                         bitclock-inversion;
 139                 };
 140
 141                 simple-audio-card,codec {
 142                         sound-dai = <&wm8978>;
 143                         bitclock-master;
 144                         frame-master;
 145                         system-clock-frequency = <12288000>;
 146                 };
 147         };
 148 };
 149
 150 &i2c0 {
 151         status = "okay";
 152         touchscreen@55 {
 153                 compatible = "sitronix,st1232";
 154                 reg = <0x55>;
 155                 interrupt-parent = <&irqpin1>;
 156                 interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
 157                 pinctrl-0 = <&st1232_pins>;
 158                 pinctrl-names = "default";
 159                 gpios = <&pfc 166 GPIO_ACTIVE_LOW>;
 160         };
 161
 162         wm8978: wm8978@1a {
 163                 #sound-dai-cells = <0>;
 164                 compatible = "wlf,wm8978";
 165                 reg = <0x1a>;
 166         };
 167 };
 168
 169 &pfc {
 170         pinctrl-0 = <&scifa1_pins>;
 171         pinctrl-names = "default";
 172
 173         scifa1_pins: serial1 {
 174                 renesas,groups = "scifa1_data";
 175                 renesas,function = "scifa1";
 176         };
 177
 178         st1232_pins: touchscreen {
 179                 renesas,groups = "intc_irq10";
 180                 renesas,function = "intc";
 181         };
 182
 183         backlight_pins: backlight {
 184                 renesas,groups = "tpu0_to2_1";
 185                 renesas,function = "tpu0";
 186         };
 187
 188         mmc0_pins: mmc0 {
 189                 renesas,groups = "mmc0_data8_1", "mmc0_ctrl_1";
 190                 renesas,function = "mmc0";
 191         };
 192
 193         sdhi0_pins: sd0 {
 194                 renesas,groups = "sdhi0_data4", "sdhi0_ctrl", "sdhi0_wp";
 195                 renesas,function = "sdhi0";
 196         };
 197
 198         fsia_pins: sounda {
 199                 renesas,groups = "fsia_sclk_in", "fsia_mclk_out",
 200                                  "fsia_data_in_1", "fsia_data_out_0";
 201                 renesas,function = "fsia";
 202         };
 203 };
 204
 205 &tpu {
 206         status = "okay";
 207 };
 208
 209 &mmcif0 {
 210         pinctrl-0 = <&mmc0_pins>;
 211         pinctrl-names = "default";
 212
 213         vmmc-supply = <&reg_3p3v>;
 214         bus-width = <8>;
 215         non-removable;
 216         status = "okay";
 217 };
 218
 219 &sdhi0 {
 220         pinctrl-0 = <&sdhi0_pins>;
 221         pinctrl-names = "default";
 222
 223         vmmc-supply = <&vcc_sdhi0>;
 224         vqmmc-supply = <&vccq_sdhi0>;
 225         bus-width = <4>;
 226         cd-gpios = <&pfc 167 GPIO_ACTIVE_LOW>;
 227         status = "okay";
 228 };
 229
 230 &sh_fsi2 {
 231         pinctrl-0 = <&fsia_pins>;
 232         pinctrl-names = "default";
 233
 234         status = "okay";
 235 };