1/*
2 * Hisilicon HiP04 clock driver
3 *
4 * Copyright (c) 2013-2014 Hisilicon Limited.
5 * Copyright (c) 2013-2014 Linaro Limited.
6 *
7 * Author: Haojian Zhuang <haojian.zhuang@linaro.org>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write to the Free Software Foundation, Inc.,
21 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 *
23 */
24
25#include <linux/kernel.h>
26#include <linux/clk-provider.h>
27#include <linux/clkdev.h>
28#include <linux/io.h>
29#include <linux/of.h>
30#include <linux/of_address.h>
31#include <linux/of_device.h>
32#include <linux/slab.h>
33#include <linux/clk.h>
34
35#include <dt-bindings/clock/hip04-clock.h>
36
37#include "clk.h"
38
39/* fixed rate clocks */
40static struct hisi_fixed_rate_clock hip04_fixed_rate_clks[] __initdata = {
41	{ HIP04_OSC50M,   "osc50m",   NULL, CLK_IS_ROOT, 50000000, },
42	{ HIP04_CLK_50M,  "clk50m",   NULL, CLK_IS_ROOT, 50000000, },
43	{ HIP04_CLK_168M, "clk168m",  NULL, CLK_IS_ROOT, 168750000, },
44};
45
46static void __init hip04_clk_init(struct device_node *np)
47{
48	struct hisi_clock_data *clk_data;
49
50	clk_data = hisi_clk_init(np, HIP04_NR_CLKS);
51	if (!clk_data)
52		return;
53
54	hisi_clk_register_fixed_rate(hip04_fixed_rate_clks,
55				     ARRAY_SIZE(hip04_fixed_rate_clks),
56				     clk_data);
57}
58CLK_OF_DECLARE(hip04_clk, "hisilicon,hip04-clock", hip04_clk_init);
59