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
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2019 DENX Software Engineering
* Lukasz Majewski, DENX Software Engineering, lukma@denx.de
*/
#include <common.h>
#include <clk-uclass.h>
#include <dm/device.h>
#include <dm/uclass.h>
#include <dm/lists.h>
#include <dm/device-internal.h>
#include <clk.h>
int clk_register(struct clk *clk, const char *drv_name,
const char *name, const char *parent_name)
{
struct udevice *parent;
struct driver *drv;
int ret;
ret = uclass_get_device_by_name(UCLASS_CLK, parent_name, &parent);
if (ret)
printf("%s: UCLASS parent: 0x%p\n", __func__, parent);
debug("%s: name: %s parent: %s [0x%p]\n", __func__, name, parent->name,
parent);
drv = lists_driver_lookup_name(drv_name);
if (!drv) {
printf("%s: %s is not a valid driver name\n",
__func__, drv_name);
return -ENOENT;
}
ret = device_bind(parent, drv, name, NULL, -1, &clk->dev);
if (ret) {
printf("%s: CLK: %s driver bind error [%d]!\n", __func__, name,
ret);
return ret;
}
clk->enable_count = 0;
/* Store back pointer to clk from udevice */
clk->dev->uclass_priv = clk;
return 0;
}
ulong clk_generic_get_rate(struct clk *clk)
{
return clk_get_parent_rate(clk);
}
const char *clk_hw_get_name(const struct clk *hw)
{
return hw->dev->name;
}
bool clk_dev_binded(struct clk *clk)
{
if (clk->dev && (clk->dev->flags & DM_FLAG_BOUND))
return true;
return false;
}
|