clk-hip04.c

 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 */
21static 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
27static 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}
39CLK_OF_DECLARE(hip04_clk, "hisilicon,hip04-clock", hip04_clk_init);