clk-uniphier-fixed-factor.c 949 B

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  1. // SPDX-License-Identifier: GPL-2.0-or-later
  2. /*
  3. * Copyright (C) 2016 Socionext Inc.
  4. * Author: Masahiro Yamada <yamada.masahiro@socionext.com>
  5. */
  6. #include <linux/clk-provider.h>
  7. #include <linux/device.h>
  8. #include "clk-uniphier.h"
  9. struct clk_hw *uniphier_clk_register_fixed_factor(struct device *dev,
  10. const char *name,
  11. const struct uniphier_clk_fixed_factor_data *data)
  12. {
  13. struct clk_fixed_factor *fix;
  14. struct clk_init_data init;
  15. int ret;
  16. fix = devm_kzalloc(dev, sizeof(*fix), GFP_KERNEL);
  17. if (!fix)
  18. return ERR_PTR(-ENOMEM);
  19. init.name = name;
  20. init.ops = &clk_fixed_factor_ops;
  21. init.flags = data->parent_name ? CLK_SET_RATE_PARENT : 0;
  22. init.parent_names = data->parent_name ? &data->parent_name : NULL;
  23. init.num_parents = data->parent_name ? 1 : 0;
  24. fix->mult = data->mult;
  25. fix->div = data->div;
  26. fix->hw.init = &init;
  27. ret = devm_clk_hw_register(dev, &fix->hw);
  28. if (ret)
  29. return ERR_PTR(ret);
  30. return &fix->hw;
  31. }