drivers/gpu/drm/exynos/exynos_hdmiphy.c

   1 /*
   2  * Copyright (C) 2011 Samsung Electronics Co.Ltd
   3  * Authors:
   4  *      Seung-Woo Kim <sw0312.kim@samsung.com>
   5  *      Inki Dae <inki.dae@samsung.com>
   6  *
   7  * This program is free software; you can redistribute  it and/or modify it
   8  * under  the terms of  the GNU General  Public License as published by the
   9  * Free Software Foundation;  either version 2 of the  License, or (at your
  10  * option) any later version.
  11  *
  12  */
  13
  14 #include <drm/drmP.h>
  15
  16 #include <linux/kernel.h>
  17 #include <linux/i2c.h>
  18 #include <linux/module.h>
  19
  20 #include "exynos_drm_drv.h"
  21 #include "exynos_hdmi.h"
  22
  23
  24 static int hdmiphy_probe(struct i2c_client *client,
  25         const struct i2c_device_id *id)
  26 {
  27         hdmi_attach_hdmiphy_client(client);
  28
  29         dev_info(&client->adapter->dev, "attached s5p_hdmiphy "
  30                 "into i2c adapter successfully\n");
  31
  32         return 0;
  33 }
  34
  35 static int hdmiphy_remove(struct i2c_client *client)
  36 {
  37         dev_info(&client->adapter->dev, "detached s5p_hdmiphy "
  38                 "from i2c adapter successfully\n");
  39
  40         return 0;
  41 }
  42
  43 static const struct i2c_device_id hdmiphy_id[] = {
  44         { "s5p_hdmiphy", 0 },
  45         { "exynos5-hdmiphy", 0 },
  46         { },
  47 };
  48
  49 #ifdef CONFIG_OF
  50 static struct of_device_id hdmiphy_match_types[] = {
  51         {
  52                 .compatible = "samsung,exynos5-hdmiphy",
  53         }, {
  54                 .compatible = "samsung,exynos4210-hdmiphy",
  55         }, {
  56                 .compatible = "samsung,exynos4212-hdmiphy",
  57         }, {
  58                 /* end node */
  59         }
  60 };
  61 #endif
  62
  63 struct i2c_driver hdmiphy_driver = {
  64         .driver = {
  65                 .name   = "exynos-hdmiphy",
  66                 .owner  = THIS_MODULE,
  67                 .of_match_table = of_match_ptr(hdmiphy_match_types),
  68         },
  69         .id_table = hdmiphy_id,
  70         .probe          = hdmiphy_probe,
  71         .remove         = hdmiphy_remove,
  72         .command                = NULL,
  73 };
  74 EXPORT_SYMBOL(hdmiphy_driver);