board/samsung/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/ "flashmap-exynos-ro.dtsi"
  14 /include/ "flashmap-4mb-rw.dtsi"
  15 /include/ "chromeos-exynos.dtsi"
  16 /include/ "cros5250-common.dtsi"
  17
  18 / {
  19         model = "Google Snow";
  20         compatible = "google,snow", "google,daisy", "samsung,smdk5250",
  21                    "samsung,exynos5250";
  22
  23         board-rev {
  24                 compatible = "google,board-revision";
  25                 google,board-rev-gpios = <&gpio 88 0>, <&gpio 89 0>;
  26         };
  27
  28         i2c-arbitrator {
  29                 compatible = "google,arbitrator";
  30                 google,ap-claim-gpios = <&gpio 0xd3 0>; /* F03 */
  31                 google,ec-claim-gpios = <&gpio 0xc4 0>; /* E04 */
  32                 google,slew-delay-us = <10>;
  33                 google,wait-retry-us = <2000>;
  34
  35                 /*
  36                  * TODO)sjg@chromium.org): Reduce to 50ms when EC I2C host
  37                  * driver bugs are fixed.
  38                  */
  39                 google,wait-free-us = <500000>;
  40                 google,arbitrate-bus = <&i2c4>;
  41         };
  42
  43         dmc@10C00000 {
  44                 mem-manuf = "elpida";
  45         };
  46         i2c4: i2c@12ca0000 {
  47                 mkbp@1e {
  48                         reg = <0x1e>;
  49                         compatible = "google,mkbp";
  50                         i2c-max-frequency = <100000>;
  51                         ec-interrupt = <&gpio 174 1>;
  52                 };
  53         };
  54         i2c7: i2c@12cd0000 {
  55                 ptn3460-bridge@20 {
  56                         compatible = "nxp,ptn3460";
  57                         reg = <0x20>;
  58                         powerdown-gpio = <&gpio 0x7d 1>;        /* Y25 */
  59                         reset-gpio = <&gpio 0xad 1>;            /* X15 */
  60                         hotplug-gpio = <&gpio 0xa7 0>;          /* X07 */
  61                 };
  62         };
  63
  64         spi@131b0000 {
  65                 spi-max-frequency = <1000000>;
  66                 spi-deactivate-delay = <100>;
  67                 mkbp@0 {
  68                         reg = <0>;
  69                         compatible = "google,mkbp";
  70                         spi-max-frequency = <5000000>;
  71                         ec-interrupt = <&gpio 174 1>;
  72                         optimise-flash-write;
  73                         status = "disabled";
  74                 };
  75         };
  76
  77         chrome-ec {
  78                 compatible = "google,chrome-ec";
  79                 flash@8000000 {
  80                         reg = <0x08000000 0x20000>;
  81                         erase-value = <0xff>;
  82                 };
  83         };
  84
  85         dp@145b0000 {
  86                 samsung,interface = "edp";
  87         };
  88
  89         ehci@12110000 {
  90                 port-enable-mask = <0x01>;
  91         };
  92
  93         sound@12d60000 {
  94                 samsung,codec-type = "max98095";
  95         };
  96
  97         i2c@12cd0000 {
  98                 soundcodec@22 {
  99                         reg = <0x22>;
 100                         compatible = "maxim,max98095-codec";
 101                 };
 102         };
 103         usb@12000000 {
 104                 usb3-pll-gpio = <&gpio 0x71 0>; /* Y11 */
 105         };
 106 };