LXR linux/drivers/clk/qcom/clk-alpha-pll.h

   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
  14#ifndef __QCOM_CLK_ALPHA_PLL_H__
  15#define __QCOM_CLK_ALPHA_PLL_H__
  16
  17#include <linux/clk-provider.h>
  18#include "clk-regmap.h"
  19
  20struct pll_vco {
  21        unsigned long min_freq;
  22        unsigned long max_freq;
  23        u32 val;
  24};
  25
  26/**
  27 * struct clk_alpha_pll - phase locked loop (PLL)
  28 * @offset: base address of registers
  29 * @vco_table: array of VCO settings
  30 * @clkr: regmap clock handle
  31 */
  32struct clk_alpha_pll {
  33        u32 offset;
  34
  35        const struct pll_vco *vco_table;
  36        size_t num_vco;
  37
  38        struct clk_regmap clkr;
  39};
  40
  41/**
  42 * struct clk_alpha_pll_postdiv - phase locked loop (PLL) post-divider
  43 * @offset: base address of registers
  44 * @width: width of post-divider
  45 * @clkr: regmap clock handle
  46 */
  47struct clk_alpha_pll_postdiv {
  48        u32 offset;
  49        u8 width;
  50
  51        struct clk_regmap clkr;
  52};
  53
  54extern const struct clk_ops clk_alpha_pll_ops;
  55extern const struct clk_ops clk_alpha_pll_postdiv_ops;
  56
  57#endif
  58