linux/drivers/clk/hisilicon/clk-hip04.c
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   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/of.h>
  15#include <linux/of_address.h>
  16#include <linux/of_device.h>
  17#include <linux/slab.h>
  18
  19#include <dt-bindings/clock/hip04-clock.h>
  20
  21#include "clk.h"
  22
  23/* fixed rate clocks */
  24static struct hisi_fixed_rate_clock hip04_fixed_rate_clks[] __initdata = {
  25        { HIP04_OSC50M,   "osc50m",   NULL, 0, 50000000, },
  26        { HIP04_CLK_50M,  "clk50m",   NULL, 0, 50000000, },
  27        { HIP04_CLK_168M, "clk168m",  NULL, 0, 168750000, },
  28};
  29
  30static void __init hip04_clk_init(struct device_node *np)
  31{
  32        struct hisi_clock_data *clk_data;
  33
  34        clk_data = hisi_clk_init(np, HIP04_NR_CLKS);
  35        if (!clk_data)
  36                return;
  37
  38        hisi_clk_register_fixed_rate(hip04_fixed_rate_clks,
  39                                     ARRAY_SIZE(hip04_fixed_rate_clks),
  40                                     clk_data);
  41}
  42CLK_OF_DECLARE(hip04_clk, "hisilicon,hip04-clock", hip04_clk_init);
  43