xref: /OK3568_Linux_fs/u-boot/drivers/clk/at91/clk-master.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2016 Atmel Corporation
3*4882a593Smuzhiyun  *               Wenyou.Yang <wenyou.yang@atmel.com>
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #include <common.h>
9*4882a593Smuzhiyun #include <clk-uclass.h>
10*4882a593Smuzhiyun #include <dm.h>
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
13*4882a593Smuzhiyun 
at91_master_clk_get_rate(struct clk * clk)14*4882a593Smuzhiyun static ulong at91_master_clk_get_rate(struct clk *clk)
15*4882a593Smuzhiyun {
16*4882a593Smuzhiyun 	return gd->arch.mck_rate_hz;
17*4882a593Smuzhiyun }
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun static struct clk_ops at91_master_clk_ops = {
20*4882a593Smuzhiyun 	.get_rate = at91_master_clk_get_rate,
21*4882a593Smuzhiyun };
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun static const struct udevice_id at91_master_clk_match[] = {
24*4882a593Smuzhiyun 	{ .compatible = "atmel,at91rm9200-clk-master" },
25*4882a593Smuzhiyun 	{ .compatible = "atmel,at91sam9x5-clk-master" },
26*4882a593Smuzhiyun 	{}
27*4882a593Smuzhiyun };
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun U_BOOT_DRIVER(at91_master_clk) = {
30*4882a593Smuzhiyun 	.name = "at91-master-clk",
31*4882a593Smuzhiyun 	.id = UCLASS_CLK,
32*4882a593Smuzhiyun 	.of_match = at91_master_clk_match,
33*4882a593Smuzhiyun 	.ops = &at91_master_clk_ops,
34*4882a593Smuzhiyun };
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