1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2025 Altera Corporation <www.altera.com>
*/
#include <dm.h>
#include <errno.h>
#include <i3c.h>
#include <linux/i3c/master.h>
struct sandbox_i3c_priv {
struct i3c_priv_xfer i3c_xfers;
};
static int sandbox_i3c_priv_read(struct udevice *dev, u32 dev_number,
u8 *buf, u32 buf_size)
{
struct sandbox_i3c_priv *priv = dev_get_priv(dev);
struct i3c_priv_xfer i3c_xfers;
i3c_xfers = priv->i3c_xfers;
i3c_xfers.data.in = buf;
i3c_xfers.len = buf_size;
return 0;
}
static int sandbox_i3c_priv_write(struct udevice *dev, u32 dev_number,
u8 *buf, u32 buf_size)
{
struct sandbox_i3c_priv *priv = dev_get_priv(dev);
struct i3c_priv_xfer i3c_xfers;
i3c_xfers = priv->i3c_xfers;
i3c_xfers.data.out = buf;
i3c_xfers.len = buf_size;
return 0;
}
static const struct dm_i3c_ops sandbox_i3c_ops = {
.read = sandbox_i3c_priv_read,
.write = sandbox_i3c_priv_write,
};
static const struct udevice_id sandbox_i3c_ids[] = {
{ .compatible = "sandbox,i3c" },
{ }
};
U_BOOT_DRIVER(i3c_sandbox) = {
.name = "i3c_sandbox",
.id = UCLASS_I3C,
.of_match = sandbox_i3c_ids,
.ops = &sandbox_i3c_ops,
};
|
