blob: 0f55ba751c0f960659b41a392e2acd17e62ac962 [file] [log] [blame]
Lukasz Majewski1d7993d2019-06-24 15:50:45 +02001// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (C) 2019 DENX Software Engineering
4 * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
5 */
6
7#include <common.h>
8#include <clk-uclass.h>
Simon Glassf7ae49f2020-05-10 11:40:05 -06009#include <log.h>
Lukasz Majewski1d7993d2019-06-24 15:50:45 +020010#include <dm/device.h>
11#include <dm/uclass.h>
12#include <dm/lists.h>
13#include <dm/device-internal.h>
14#include <clk.h>
15
16int clk_register(struct clk *clk, const char *drv_name,
17 const char *name, const char *parent_name)
18{
19 struct udevice *parent;
20 struct driver *drv;
21 int ret;
22
23 ret = uclass_get_device_by_name(UCLASS_CLK, parent_name, &parent);
Peng Fan5dcac2b2019-10-22 03:31:08 +000024 if (ret) {
25 printf("%s: name: %s parent: %s [0x%p]\n",
26 __func__, name, parent->name, parent);
27 }
Lukasz Majewski1d7993d2019-06-24 15:50:45 +020028
29 debug("%s: name: %s parent: %s [0x%p]\n", __func__, name, parent->name,
30 parent);
31
32 drv = lists_driver_lookup_name(drv_name);
33 if (!drv) {
34 printf("%s: %s is not a valid driver name\n",
35 __func__, drv_name);
36 return -ENOENT;
37 }
38
39 ret = device_bind(parent, drv, name, NULL, -1, &clk->dev);
40 if (ret) {
41 printf("%s: CLK: %s driver bind error [%d]!\n", __func__, name,
42 ret);
43 return ret;
44 }
45
Peng Fane6849e22019-08-21 13:35:03 +000046 clk->enable_count = 0;
Lukasz Majewski1d7993d2019-06-24 15:50:45 +020047 /* Store back pointer to clk from udevice */
48 clk->dev->uclass_priv = clk;
49
50 return 0;
51}
52
53ulong clk_generic_get_rate(struct clk *clk)
54{
55 return clk_get_parent_rate(clk);
56}
57
58const char *clk_hw_get_name(const struct clk *hw)
59{
60 return hw->dev->name;
61}
Peng Fan24576122019-07-31 07:01:23 +000062
63bool clk_dev_binded(struct clk *clk)
64{
65 if (clk->dev && (clk->dev->flags & DM_FLAG_BOUND))
66 return true;
67
68 return false;
69}