LXR linux/drivers/clk/meson/clk-pll.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Copyright (c) 2019 BayLibre, SAS.
   4 * Author: Jerome Brunet <jbrunet@baylibre.com>
   5 */
   6
   7#ifndef __MESON_CLK_PLL_H
   8#define __MESON_CLK_PLL_H
   9
  10#include <linux/clk-provider.h>
  11#include <linux/regmap.h>
  12#include "parm.h"
  13
  14struct pll_params_table {
  15        unsigned int    m;
  16        unsigned int    n;
  17};
  18
  19struct pll_mult_range {
  20        unsigned int    min;
  21        unsigned int    max;
  22};
  23
  24#define PLL_PARAMS(_m, _n)                                              \
  25        {                                                               \
  26                .m              = (_m),                                 \
  27                .n              = (_n),                                 \
  28        }
  29
  30#define CLK_MESON_PLL_ROUND_CLOSEST     BIT(0)
  31
  32struct meson_clk_pll_data {
  33        struct parm en;
  34        struct parm m;
  35        struct parm n;
  36        struct parm frac;
  37        struct parm l;
  38        struct parm rst;
  39        const struct reg_sequence *init_regs;
  40        unsigned int init_count;
  41        const struct pll_params_table *table;
  42        const struct pll_mult_range *range;
  43        u8 flags;
  44};
  45
  46extern const struct clk_ops meson_clk_pll_ro_ops;
  47extern const struct clk_ops meson_clk_pll_ops;
  48extern const struct clk_ops meson_clk_pcie_pll_ops;
  49
  50#endif /* __MESON_CLK_PLL_H */
  51