arch/arm/boot/dts/exynos5250-snow.dts

   1 /*
   2  * Google Snow board device tree source
   3  *
   4  * Copyright (c) 2012 Google, Inc
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9 */
  10
  11 /dts-v1/;
  12 #include "exynos5250.dtsi"
  13 #include "cros5250-common.dtsi"
  14
  15 / {
  16         model = "Google Snow";
  17         compatible = "google,snow", "samsung,exynos5250";
  18
  19         aliases {
  20                 i2c104 = &i2c_104;
  21         };
  22
  23         pinctrl@11400000 {
  24                 sd3_clk: sd3-clk {
  25                         samsung,pin-drv = <0>;
  26                 };
  27
  28                 sd3_cmd: sd3-cmd {
  29                         samsung,pin-pud = <3>;
  30                         samsung,pin-drv = <0>;
  31                 };
  32
  33                 sd3_bus4: sd3-bus-width4 {
  34                         samsung,pin-drv = <0>;
  35                 };
  36         };
  37
  38         gpio-keys {
  39                 compatible = "gpio-keys";
  40
  41                 lid-switch {
  42                         label = "Lid";
  43                         gpios = <&gpx3 5 1>;
  44                         linux,input-type = <5>; /* EV_SW */
  45                         linux,code = <0>; /* SW_LID */
  46                         debounce-interval = <1>;
  47                         gpio-key,wakeup;
  48                 };
  49         };
  50
  51         i2c-arbitrator {
  52                 compatible = "i2c-arb-gpio-challenge";
  53                 #address-cells = <1>;
  54                 #size-cells = <0>;
  55
  56                 i2c-parent = <&{/i2c@12CA0000}>;
  57
  58                 our-claim-gpio = <&gpf0 3 1>;
  59                 their-claim-gpios = <&gpe0 4 1>;
  60                 slew-delay-us = <10>;
  61                 wait-retry-us = <3000>;
  62                 wait-free-us = <50000>;
  63
  64                 /* Use ID 104 as a hint that we're on physical bus 4 */
  65                 i2c_104: i2c@0 {
  66                         reg = <0>;
  67                         #address-cells = <1>;
  68                         #size-cells = <0>;
  69
  70                         battery: sbs-battery@b {
  71                                 compatible = "sbs,sbs-battery";
  72                                 reg = <0xb>;
  73                                 sbs,poll-retry-count = <1>;
  74                         };
  75
  76                         ec: embedded-controller {
  77                                 compatible = "google,cros-ec-i2c";
  78                                 reg = <0x1e>;
  79                                 interrupts = <6 0>;
  80                                 interrupt-parent = <&gpx1>;
  81                                 wakeup-source;
  82
  83                                 keyboard-controller {
  84                                         compatible = "google,cros-ec-keyb";
  85                                         keypad,num-rows = <8>;
  86                                         keypad,num-columns = <13>;
  87                                         google,needs-ghost-filter;
  88                                         linux,keymap = <0x0001003a      /* CAPSLK */
  89                                                         0x0002003b      /* F1 */
  90                                                         0x00030030      /* B */
  91                                                         0x00040044      /* F10 */
  92                                                         0x00060031      /* N */
  93                                                         0x0008000d      /* = */
  94                                                         0x000a0064      /* R_ALT */
  95
  96                                                         0x01010001      /* ESC */
  97                                                         0x0102003e      /* F4 */
  98                                                         0x01030022      /* G */
  99                                                         0x01040041      /* F7 */
 100                                                         0x01060023      /* H */
 101                                                         0x01080028      /* ' */
 102                                                         0x01090043      /* F9 */
 103                                                         0x010b000e      /* BKSPACE */
 104
 105                                                         0x0200001d      /* L_CTRL */
 106                                                         0x0201000f      /* TAB */
 107                                                         0x0202003d      /* F3 */
 108                                                         0x02030014      /* T */
 109                                                         0x02040040      /* F6 */
 110                                                         0x0205001b      /* ] */
 111                                                         0x02060015      /* Y */
 112                                                         0x02070056      /* 102ND */
 113                                                         0x0208001a      /* [ */
 114                                                         0x02090042      /* F8 */
 115
 116                                                         0x03010029      /* GRAVE */
 117                                                         0x0302003c      /* F2 */
 118                                                         0x03030006      /* 5 */
 119                                                         0x0304003f      /* F5 */
 120                                                         0x03060007      /* 6 */
 121                                                         0x0308000c      /* - */
 122                                                         0x030b002b      /* \ */
 123
 124                                                         0x04000061      /* R_CTRL */
 125                                                         0x0401001e      /* A */
 126                                                         0x04020020      /* D */
 127                                                         0x04030021      /* F */
 128                                                         0x0404001f      /* S */
 129                                                         0x04050025      /* K */
 130                                                         0x04060024      /* J */
 131                                                         0x04080027      /* ; */
 132                                                         0x04090026      /* L */
 133                                                         0x040b001c      /* ENTER */
 134
 135                                                         0x0501002c      /* Z */
 136                                                         0x0502002e      /* C */
 137                                                         0x0503002f      /* V */
 138                                                         0x0504002d      /* X */
 139                                                         0x05050033      /* , */
 140                                                         0x05060032      /* M */
 141                                                         0x0507002a      /* L_SHIFT */
 142                                                         0x05080035      /* / */
 143                                                         0x05090034      /* . */
 144                                                         0x050B0039      /* SPACE */
 145
 146                                                         0x06010002      /* 1 */
 147                                                         0x06020004      /* 3 */
 148                                                         0x06030005      /* 4 */
 149                                                         0x06040003      /* 2 */
 150                                                         0x06050009      /* 8 */
 151                                                         0x06060008      /* 7 */
 152                                                         0x0608000b      /* 0 */
 153                                                         0x0609000a      /* 9 */
 154                                                         0x060a0038      /* L_ALT */
 155                                                         0x060b006c      /* DOWN */
 156                                                         0x060c006a      /* RIGHT */
 157
 158                                                         0x07010010      /* Q */
 159                                                         0x07020012      /* E */
 160                                                         0x07030013      /* R */
 161                                                         0x07040011      /* W */
 162                                                         0x07050017      /* I */
 163                                                         0x07060016      /* U */
 164                                                         0x07070036      /* R_SHIFT */
 165                                                         0x07080019      /* P */
 166                                                         0x07090018      /* O */
 167                                                         0x070b0067      /* UP */
 168                                                         0x070c0069>;    /* LEFT */
 169                                 };
 170                         };
 171                 };
 172         };
 173
 174         /*
 175          * On Snow we've got SIP WiFi and so can keep drive strengths low to
 176          * reduce EMI.
 177          */
 178         dwmmc3@12230000 {
 179                 slot@0 {
 180                         pinctrl-names = "default";
 181                         pinctrl-0 = <&sd3_clk &sd3_cmd &sd3_bus4>;
 182                 };
 183         };
 184
 185         usb@12110000 {
 186                 samsung,vbus-gpio = <&gpx1 1 0>;
 187         };
 188
 189         fixed-rate-clocks {
 190                 xxti {
 191                         compatible = "samsung,clock-xxti";
 192                         clock-frequency = <24000000>;
 193                 };
 194         };
 195 };