drivers/demo/demo-simple.c

   1 /*
   2  * Copyright (c) 2013 Google, Inc
   3  *
   4  * (C) Copyright 2012
   5  * Pavel Herrmann <morpheus.ibis@gmail.com>
   6  *
   7  * SPDX-License-Identifier:     GPL-2.0+
   8  */
   9
  10 #include <common.h>
  11 #include <dm.h>
  12 #include <dm-demo.h>
  13 #include <mapmem.h>
  14 #include <asm/io.h>
  15
  16 static int simple_hello(struct udevice *dev, int ch)
  17 {
  18         const struct dm_demo_pdata *pdata = dev_get_platdata(dev);
  19
  20         printf("Hello from %08x: %s %d\n", map_to_sysmem(dev), pdata->colour,
  21                pdata->sides);
  22
  23         return 0;
  24 }
  25
  26 static const struct demo_ops simple_ops = {
  27         .hello = simple_hello,
  28 };
  29
  30 static int demo_shape_ofdata_to_platdata(struct udevice *dev)
  31 {
  32         /* Parse the data that is common with all demo devices */
  33         return demo_parse_dt(dev);
  34 }
  35
  36 static const struct udevice_id demo_shape_id[] = {
  37         { "demo-simple", 0 },
  38         { },
  39 };
  40
  41 U_BOOT_DRIVER(demo_simple_drv) = {
  42         .name   = "demo_simple_drv",
  43         .of_match = demo_shape_id,
  44         .id     = UCLASS_DEMO,
  45         .ofdata_to_platdata = demo_shape_ofdata_to_platdata,
  46         .ops    = &simple_ops,
  47         .platdata_auto_alloc_size = sizeof(struct dm_demo_pdata),
  48 };