1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Hisilicon HiP04 clock driver
4  *
5  * Copyright (c) 2013-2014 Hisilicon Limited.
6  * Copyright (c) 2013-2014 Linaro Limited.
7  *
8  * Author: Haojian Zhuang <haojian.zhuang@linaro.org>
9  */
10 
11 #include <linux/kernel.h>
12 #include <linux/clk-provider.h>
13 #include <linux/io.h>
14 #include <linux/slab.h>
15 
16 #include <dt-bindings/clock/hip04-clock.h>
17 
18 #include "clk.h"
19 
20 /* fixed rate clocks */
21 static struct hisi_fixed_rate_clock hip04_fixed_rate_clks[] __initdata = {
22 	{ HIP04_OSC50M,   "osc50m",   NULL, 0, 50000000, },
23 	{ HIP04_CLK_50M,  "clk50m",   NULL, 0, 50000000, },
24 	{ HIP04_CLK_168M, "clk168m",  NULL, 0, 168750000, },
25 };
26 
hip04_clk_init(struct device_node * np)27 static void __init hip04_clk_init(struct device_node *np)
28 {
29 	struct hisi_clock_data *clk_data;
30 
31 	clk_data = hisi_clk_init(np, HIP04_NR_CLKS);
32 	if (!clk_data)
33 		return;
34 
35 	hisi_clk_register_fixed_rate(hip04_fixed_rate_clks,
36 				     ARRAY_SIZE(hip04_fixed_rate_clks),
37 				     clk_data);
38 }
39 CLK_OF_DECLARE(hip04_clk, "hisilicon,hip04-clock", hip04_clk_init);
40