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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
* Copyright (C) 2017, STMicroelectronics - All Rights Reserved
* Author(s): Patrice Chotard, <patrice.chotard@st.com> for STMicroelectronics.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <misc.h>
#include <stm32_rcc.h>
#include <dm/device-internal.h>
#include <dm/lists.h>
struct stm32_rcc_clk stm32_rcc_clk_f4 = {
.drv_name = "stm32fx_rcc_clock",
.soc = STM32F4,
};
struct stm32_rcc_clk stm32_rcc_clk_f7 = {
.drv_name = "stm32fx_rcc_clock",
.soc = STM32F7,
};
struct stm32_rcc_clk stm32_rcc_clk_h7 = {
.drv_name = "stm32h7_rcc_clock",
};
static int stm32_rcc_bind(struct udevice *dev)
{
struct udevice *child;
struct driver *drv;
struct stm32_rcc_clk *rcc_clk =
(struct stm32_rcc_clk *)dev_get_driver_data(dev);
int ret;
debug("%s(dev=%p)\n", __func__, dev);
drv = lists_driver_lookup_name(rcc_clk->drv_name);
if (!drv) {
debug("Cannot find driver '%s'\n", rcc_clk->drv_name);
return -ENOENT;
}
ret = device_bind_with_driver_data(dev, drv, rcc_clk->drv_name,
rcc_clk->soc,
dev_ofnode(dev), &child);
if (ret)
return ret;
#ifdef CONFIG_SPL_BUILD
return 0;
#else
return device_bind_driver_to_node(dev, "stm32_rcc_reset",
"stm32_rcc_reset",
dev_ofnode(dev), &child);
#endif
}
static const struct misc_ops stm32_rcc_ops = {
};
static const struct udevice_id stm32_rcc_ids[] = {
{.compatible = "st,stm32f42xx-rcc", .data = (ulong)&stm32_rcc_clk_f4 },
{.compatible = "st,stm32f746-rcc", .data = (ulong)&stm32_rcc_clk_f7 },
{.compatible = "st,stm32h743-rcc", .data = (ulong)&stm32_rcc_clk_h7 },
{ }
};
U_BOOT_DRIVER(stm32_rcc) = {
.name = "stm32-rcc",
.id = UCLASS_MISC,
.of_match = stm32_rcc_ids,
.bind = stm32_rcc_bind,
.ops = &stm32_rcc_ops,
};
|
