uboot/drivers/demo/demo-simple.c
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   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 <common.h>
  10#include <dm.h>
  11#include <dm-demo.h>
  12#include <mapmem.h>
  13#include <asm/io.h>
  14
  15static int simple_hello(struct udevice *dev, int ch)
  16{
  17        const struct dm_demo_pdata *pdata = dev_get_platdata(dev);
  18
  19        printf("Hello from %08x: %s %d\n", (uint)map_to_sysmem(dev), pdata->colour,
  20               pdata->sides);
  21
  22        return 0;
  23}
  24
  25static const struct demo_ops simple_ops = {
  26        .hello = simple_hello,
  27};
  28
  29static int demo_shape_ofdata_to_platdata(struct udevice *dev)
  30{
  31        /* Parse the data that is common with all demo devices */
  32        return demo_parse_dt(dev);
  33}
  34
  35static const struct udevice_id demo_shape_id[] = {
  36        { "demo-simple", 0 },
  37        { },
  38};
  39
  40U_BOOT_DRIVER(demo_simple_drv) = {
  41        .name   = "demo_simple_drv",
  42        .of_match = demo_shape_id,
  43        .id     = UCLASS_DEMO,
  44        .ofdata_to_platdata = demo_shape_ofdata_to_platdata,
  45        .ops    = &simple_ops,
  46        .platdata_auto_alloc_size = sizeof(struct dm_demo_pdata),
  47};
  48