xref: /openbmc/u-boot/drivers/demo/demo-simple.c (revision 63e22517)
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 
15 static 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 
25 static const struct demo_ops simple_ops = {
26 	.hello = simple_hello,
27 };
28 
29 static 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 
35 static const struct udevice_id demo_shape_id[] = {
36 	{ "demo-simple", 0 },
37 	{ },
38 };
39 
40 U_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