drivers/pch/pch-uclass.c

   1 /*
   2  * Copyright (c) 2015 Google, Inc
   3  * Written by Simon Glass <sjg@chromium.org>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <dm.h>
  10 #include <pch.h>
  11
  12 DECLARE_GLOBAL_DATA_PTR;
  13
  14 int pch_get_spi_base(struct udevice *dev, ulong *sbasep)
  15 {
  16         struct pch_ops *ops = pch_get_ops(dev);
  17
  18         *sbasep = 0;
  19         if (!ops->get_spi_base)
  20                 return -ENOSYS;
  21
  22         return ops->get_spi_base(dev, sbasep);
  23 }
  24
  25 int pch_set_spi_protect(struct udevice *dev, bool protect)
  26 {
  27         struct pch_ops *ops = pch_get_ops(dev);
  28
  29         if (!ops->set_spi_protect)
  30                 return -ENOSYS;
  31
  32         return ops->set_spi_protect(dev, protect);
  33 }
  34
  35 int pch_get_gpio_base(struct udevice *dev, u32 *gbasep)
  36 {
  37         struct pch_ops *ops = pch_get_ops(dev);
  38
  39         *gbasep = 0;
  40         if (!ops->get_gpio_base)
  41                 return -ENOSYS;
  42
  43         return ops->get_gpio_base(dev, gbasep);
  44 }
  45
  46 int pch_get_io_base(struct udevice *dev, u32 *iobasep)
  47 {
  48         struct pch_ops *ops = pch_get_ops(dev);
  49
  50         *iobasep = 0;
  51         if (!ops->get_io_base)
  52                 return -ENOSYS;
  53
  54         return ops->get_io_base(dev, iobasep);
  55 }
  56
  57 static int pch_uclass_post_bind(struct udevice *bus)
  58 {
  59         /*
  60          * Scan the device tree for devices
  61          *
  62          * Before relocation, only bind devices marked for pre-relocation
  63          * use.
  64          */
  65         return dm_scan_fdt_dev(bus);
  66 }
  67
  68 UCLASS_DRIVER(pch) = {
  69         .id             = UCLASS_PCH,
  70         .name           = "pch",
  71         .post_bind      = pch_uclass_post_bind,
  72 };