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 "exynos5250-cros-common.dtsi"
  14
  15 / {
  16         model = "Google Snow";
  17         compatible = "google,snow", "samsung,exynos5250", "samsung,exynos5";
  18
  19         aliases {
  20                 i2c104 = &i2c_104;
  21         };
  22
  23         rtc@101E0000 {
  24                 status = "okay";
  25         };
  26
  27         pinctrl@11400000 {
  28                 sd3_clk: sd3-clk {
  29                         samsung,pin-drv = <0>;
  30                 };
  31
  32                 sd3_cmd: sd3-cmd {
  33                         samsung,pin-pud = <3>;
  34                         samsung,pin-drv = <0>;
  35                 };
  36
  37                 sd3_bus4: sd3-bus-width4 {
  38                         samsung,pin-drv = <0>;
  39                 };
  40         };
  41
  42         gpio-keys {
  43                 compatible = "gpio-keys";
  44
  45                 lid-switch {
  46                         label = "Lid";
  47                         gpios = <&gpx3 5 1>;
  48                         linux,input-type = <5>; /* EV_SW */
  49                         linux,code = <0>; /* SW_LID */
  50                         debounce-interval = <1>;
  51                         gpio-key,wakeup;
  52                 };
  53         };
  54
  55         i2c-arbitrator {
  56                 compatible = "i2c-arb-gpio-challenge";
  57                 #address-cells = <1>;
  58                 #size-cells = <0>;
  59
  60                 i2c-parent = <&{/i2c@12CA0000}>;
  61
  62                 our-claim-gpio = <&gpf0 3 1>;
  63                 their-claim-gpios = <&gpe0 4 1>;
  64                 slew-delay-us = <10>;
  65                 wait-retry-us = <3000>;
  66                 wait-free-us = <50000>;
  67
  68                 /* Use ID 104 as a hint that we're on physical bus 4 */
  69                 i2c_104: i2c@0 {
  70                         reg = <0>;
  71                         #address-cells = <1>;
  72                         #size-cells = <0>;
  73
  74                         battery: sbs-battery@b {
  75                                 compatible = "sbs,sbs-battery";
  76                                 reg = <0xb>;
  77                                 sbs,poll-retry-count = <1>;
  78                         };
  79
  80                         ec: embedded-controller {
  81                                 compatible = "google,cros-ec-i2c";
  82                                 reg = <0x1e>;
  83                                 interrupts = <6 0>;
  84                                 interrupt-parent = <&gpx1>;
  85                                 wakeup-source;
  86
  87                                 keyboard-controller {
  88                                         compatible = "google,cros-ec-keyb";
  89                                         keypad,num-rows = <8>;
  90                                         keypad,num-columns = <13>;
  91                                         google,needs-ghost-filter;
  92                                         linux,keymap = <0x0001007d      /* L_META */
  93                                                         0x0002003b      /* F1 */
  94                                                         0x00030030      /* B */
  95                                                         0x00040044      /* F10 */
  96                                                         0x00060031      /* N */
  97                                                         0x0008000d      /* = */
  98                                                         0x000a0064      /* R_ALT */
  99
 100                                                         0x01010001      /* ESC */
 101                                                         0x0102003e      /* F4 */
 102                                                         0x01030022      /* G */
 103                                                         0x01040041      /* F7 */
 104                                                         0x01060023      /* H */
 105                                                         0x01080028      /* ' */
 106                                                         0x01090043      /* F9 */
 107                                                         0x010b000e      /* BKSPACE */
 108
 109                                                         0x0200001d      /* L_CTRL */
 110                                                         0x0201000f      /* TAB */
 111                                                         0x0202003d      /* F3 */
 112                                                         0x02030014      /* T */
 113                                                         0x02040040      /* F6 */
 114                                                         0x0205001b      /* ] */
 115                                                         0x02060015      /* Y */
 116                                                         0x02070056      /* 102ND */
 117                                                         0x0208001a      /* [ */
 118                                                         0x02090042      /* F8 */
 119
 120                                                         0x03010029      /* GRAVE */
 121                                                         0x0302003c      /* F2 */
 122                                                         0x03030006      /* 5 */
 123                                                         0x0304003f      /* F5 */
 124                                                         0x03060007      /* 6 */
 125                                                         0x0308000c      /* - */
 126                                                         0x030b002b      /* \ */
 127
 128                                                         0x04000061      /* R_CTRL */
 129                                                         0x0401001e      /* A */
 130                                                         0x04020020      /* D */
 131                                                         0x04030021      /* F */
 132                                                         0x0404001f      /* S */
 133                                                         0x04050025      /* K */
 134                                                         0x04060024      /* J */
 135                                                         0x04080027      /* ; */
 136                                                         0x04090026      /* L */
 137                                                         0x040a002b      /* \ */
 138                                                         0x040b001c      /* ENTER */
 139
 140                                                         0x0501002c      /* Z */
 141                                                         0x0502002e      /* C */
 142                                                         0x0503002f      /* V */
 143                                                         0x0504002d      /* X */
 144                                                         0x05050033      /* , */
 145                                                         0x05060032      /* M */
 146                                                         0x0507002a      /* L_SHIFT */
 147                                                         0x05080035      /* / */
 148                                                         0x05090034      /* . */
 149                                                         0x050B0039      /* SPACE */
 150
 151                                                         0x06010002      /* 1 */
 152                                                         0x06020004      /* 3 */
 153                                                         0x06030005      /* 4 */
 154                                                         0x06040003      /* 2 */
 155                                                         0x06050009      /* 8 */
 156                                                         0x06060008      /* 7 */
 157                                                         0x0608000b      /* 0 */
 158                                                         0x0609000a      /* 9 */
 159                                                         0x060a0038      /* L_ALT */
 160                                                         0x060b006c      /* DOWN */
 161                                                         0x060c006a      /* RIGHT */
 162
 163                                                         0x07010010      /* Q */
 164                                                         0x07020012      /* E */
 165                                                         0x07030013      /* R */
 166                                                         0x07040011      /* W */
 167                                                         0x07050017      /* I */
 168                                                         0x07060016      /* U */
 169                                                         0x07070036      /* R_SHIFT */
 170                                                         0x07080019      /* P */
 171                                                         0x07090018      /* O */
 172                                                         0x070b0067      /* UP */
 173                                                         0x070c0069>;    /* LEFT */
 174                                 };
 175                         };
 176                 };
 177         };
 178
 179         mmc@12200000 {
 180                 status = "okay";
 181         };
 182
 183         mmc@12220000 {
 184                 status = "okay";
 185         };
 186
 187         /*
 188          * On Snow we've got SIP WiFi and so can keep drive strengths low to
 189          * reduce EMI.
 190          */
 191         mmc@12230000 {
 192                 status = "okay";
 193                 slot@0 {
 194                         pinctrl-names = "default";
 195                         pinctrl-0 = <&sd3_clk &sd3_cmd &sd3_bus4>;
 196                 };
 197         };
 198
 199         usb@12110000 {
 200                 samsung,vbus-gpio = <&gpx1 1 0>;
 201         };
 202
 203         fixed-rate-clocks {
 204                 xxti {
 205                         compatible = "samsung,clock-xxti";
 206                         clock-frequency = <24000000>;
 207                 };
 208         };
 209 };