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
  20 struct 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  */
  32 struct 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  */
  47 struct clk_alpha_pll_postdiv {
  48         u32 offset;
  49         u8 width;
  50
  51         struct clk_regmap clkr;
  52 };
  53
  54 extern const struct clk_ops clk_alpha_pll_ops;
  55 extern const struct clk_ops clk_alpha_pll_postdiv_ops;
  56
  57 #endif