clk-hip04.c 1.1 KB

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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 <[email protected]>
  9. */
  10. #include <linux/kernel.h>
  11. #include <linux/clk-provider.h>
  12. #include <linux/io.h>
  13. #include <linux/of.h>
  14. #include <linux/of_address.h>
  15. #include <linux/of_device.h>
  16. #include <linux/slab.h>
  17. #include <dt-bindings/clock/hip04-clock.h>
  18. #include "clk.h"
  19. /* fixed rate clocks */
  20. static struct hisi_fixed_rate_clock hip04_fixed_rate_clks[] __initdata = {
  21. { HIP04_OSC50M, "osc50m", NULL, 0, 50000000, },
  22. { HIP04_CLK_50M, "clk50m", NULL, 0, 50000000, },
  23. { HIP04_CLK_168M, "clk168m", NULL, 0, 168750000, },
  24. };
  25. static void __init hip04_clk_init(struct device_node *np)
  26. {
  27. struct hisi_clock_data *clk_data;
  28. clk_data = hisi_clk_init(np, HIP04_NR_CLKS);
  29. if (!clk_data)
  30. return;
  31. hisi_clk_register_fixed_rate(hip04_fixed_rate_clks,
  32. ARRAY_SIZE(hip04_fixed_rate_clks),
  33. clk_data);
  34. }
  35. CLK_OF_DECLARE(hip04_clk, "hisilicon,hip04-clock", hip04_clk_init);