18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later
28c2ecf20Sopenharmony_ci/*
38c2ecf20Sopenharmony_ci * Hisilicon HiP04 clock driver
48c2ecf20Sopenharmony_ci *
58c2ecf20Sopenharmony_ci * Copyright (c) 2013-2014 Hisilicon Limited.
68c2ecf20Sopenharmony_ci * Copyright (c) 2013-2014 Linaro Limited.
78c2ecf20Sopenharmony_ci *
88c2ecf20Sopenharmony_ci * Author: Haojian Zhuang <haojian.zhuang@linaro.org>
98c2ecf20Sopenharmony_ci */
108c2ecf20Sopenharmony_ci
118c2ecf20Sopenharmony_ci#include <linux/kernel.h>
128c2ecf20Sopenharmony_ci#include <linux/clk-provider.h>
138c2ecf20Sopenharmony_ci#include <linux/io.h>
148c2ecf20Sopenharmony_ci#include <linux/of.h>
158c2ecf20Sopenharmony_ci#include <linux/of_address.h>
168c2ecf20Sopenharmony_ci#include <linux/of_device.h>
178c2ecf20Sopenharmony_ci#include <linux/slab.h>
188c2ecf20Sopenharmony_ci
198c2ecf20Sopenharmony_ci#include <dt-bindings/clock/hip04-clock.h>
208c2ecf20Sopenharmony_ci
218c2ecf20Sopenharmony_ci#include "clk.h"
228c2ecf20Sopenharmony_ci
238c2ecf20Sopenharmony_ci/* fixed rate clocks */
248c2ecf20Sopenharmony_cistatic struct hisi_fixed_rate_clock hip04_fixed_rate_clks[] __initdata = {
258c2ecf20Sopenharmony_ci	{ HIP04_OSC50M,   "osc50m",   NULL, 0, 50000000, },
268c2ecf20Sopenharmony_ci	{ HIP04_CLK_50M,  "clk50m",   NULL, 0, 50000000, },
278c2ecf20Sopenharmony_ci	{ HIP04_CLK_168M, "clk168m",  NULL, 0, 168750000, },
288c2ecf20Sopenharmony_ci};
298c2ecf20Sopenharmony_ci
308c2ecf20Sopenharmony_cistatic void __init hip04_clk_init(struct device_node *np)
318c2ecf20Sopenharmony_ci{
328c2ecf20Sopenharmony_ci	struct hisi_clock_data *clk_data;
338c2ecf20Sopenharmony_ci
348c2ecf20Sopenharmony_ci	clk_data = hisi_clk_init(np, HIP04_NR_CLKS);
358c2ecf20Sopenharmony_ci	if (!clk_data)
368c2ecf20Sopenharmony_ci		return;
378c2ecf20Sopenharmony_ci
388c2ecf20Sopenharmony_ci	hisi_clk_register_fixed_rate(hip04_fixed_rate_clks,
398c2ecf20Sopenharmony_ci				     ARRAY_SIZE(hip04_fixed_rate_clks),
408c2ecf20Sopenharmony_ci				     clk_data);
418c2ecf20Sopenharmony_ci}
428c2ecf20Sopenharmony_ciCLK_OF_DECLARE(hip04_clk, "hisilicon,hip04-clock", hip04_clk_init);
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