drivers/demo/demo-simple.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (c) 2013 Google, Inc
   4  *
   5  * (C) Copyright 2012
   6  * Pavel Herrmann <morpheus.ibis@gmail.com>
   7  */
   8
   9 #include <dm.h>
  10 #include <dm-demo.h>
  11 #include <mapmem.h>
  12 #include <asm/io.h>
  13
  14 static int simple_hello(struct udevice *dev, int ch)
  15 {
  16         const struct dm_demo_pdata *pdata = dev_get_plat(dev);
  17
  18         printf("Hello from %08x: %s %d\n", (uint)map_to_sysmem(dev), pdata->colour,
  19                pdata->sides);
  20
  21         return 0;
  22 }
  23
  24 static const struct demo_ops simple_ops = {
  25         .hello = simple_hello,
  26 };
  27
  28 static int demo_shape_of_to_plat(struct udevice *dev)
  29 {
  30         /* Parse the data that is common with all demo devices */
  31         return demo_parse_dt(dev);
  32 }
  33
  34 static const struct udevice_id demo_shape_id[] = {
  35         { "demo-simple", 0 },
  36         { },
  37 };
  38
  39 U_BOOT_DRIVER(demo_simple_drv) = {
  40         .name   = "demo_simple_drv",
  41         .of_match = demo_shape_id,
  42         .id     = UCLASS_DEMO,
  43         .of_to_plat = demo_shape_of_to_plat,
  44         .ops    = &simple_ops,
  45         .plat_auto      = sizeof(struct dm_demo_pdata),
  46 };