clk-alpha-pll.h 1.4 KB

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  1. /*
  2. * Copyright (c) 2015, The Linux Foundation. All rights reserved.
  3. *
  4. * This software is licensed under the terms of the GNU General Public
  5. * License version 2, as published by the Free Software Foundation, and
  6. * may be copied, distributed, and modified under those terms.
  7. *
  8. * This program is distributed in the hope that it will be useful,
  9. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11. * GNU General Public License for more details.
  12. */
  13. #ifndef __QCOM_CLK_ALPHA_PLL_H__
  14. #define __QCOM_CLK_ALPHA_PLL_H__
  15. #include <linux/clk-provider.h>
  16. #include "clk-regmap.h"
  17. struct pll_vco {
  18. unsigned long min_freq;
  19. unsigned long max_freq;
  20. u32 val;
  21. };
  22. /**
  23. * struct clk_alpha_pll - phase locked loop (PLL)
  24. * @offset: base address of registers
  25. * @vco_table: array of VCO settings
  26. * @clkr: regmap clock handle
  27. */
  28. struct clk_alpha_pll {
  29. u32 offset;
  30. const struct pll_vco *vco_table;
  31. size_t num_vco;
  32. struct clk_regmap clkr;
  33. };
  34. /**
  35. * struct clk_alpha_pll_postdiv - phase locked loop (PLL) post-divider
  36. * @offset: base address of registers
  37. * @width: width of post-divider
  38. * @clkr: regmap clock handle
  39. */
  40. struct clk_alpha_pll_postdiv {
  41. u32 offset;
  42. u8 width;
  43. struct clk_regmap clkr;
  44. };
  45. extern const struct clk_ops clk_alpha_pll_ops;
  46. extern const struct clk_ops clk_alpha_pll_postdiv_ops;
  47. #endif