linux/linux-5.4.31/drivers/clk/hisilicon/clk-hip04.c

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2024-01-30 10:43:28 +00:00
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Hisilicon HiP04 clock driver
*
* Copyright (c) 2013-2014 Hisilicon Limited.
* Copyright (c) 2013-2014 Linaro Limited.
*
* Author: Haojian Zhuang <haojian.zhuang@linaro.org>
*/
#include <linux/kernel.h>
#include <linux/clk-provider.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_device.h>
#include <linux/slab.h>
#include <dt-bindings/clock/hip04-clock.h>
#include "clk.h"
/* fixed rate clocks */
static struct hisi_fixed_rate_clock hip04_fixed_rate_clks[] __initdata = {
{ HIP04_OSC50M, "osc50m", NULL, 0, 50000000, },
{ HIP04_CLK_50M, "clk50m", NULL, 0, 50000000, },
{ HIP04_CLK_168M, "clk168m", NULL, 0, 168750000, },
};
static void __init hip04_clk_init(struct device_node *np)
{
struct hisi_clock_data *clk_data;
clk_data = hisi_clk_init(np, HIP04_NR_CLKS);
if (!clk_data)
return;
hisi_clk_register_fixed_rate(hip04_fixed_rate_clks,
ARRAY_SIZE(hip04_fixed_rate_clks),
clk_data);
}
CLK_OF_DECLARE(hip04_clk, "hisilicon,hip04-clock", hip04_clk_init);