drivers/clk/renesas/rcar-gen3-cpg.h

   1 /*
   2  * R-Car Gen3 Clock Pulse Generator
   3  *
   4  * Copyright (C) 2015-2016 Glider bvba
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License.
   9  */
  10
  11 #ifndef __CLK_RENESAS_RCAR_GEN3_CPG_H__
  12 #define __CLK_RENESAS_RCAR_GEN3_CPG_H__
  13
  14 enum rcar_gen3_clk_types {
  15         CLK_TYPE_GEN3_MAIN = CLK_TYPE_CUSTOM,
  16         CLK_TYPE_GEN3_PLL0,
  17         CLK_TYPE_GEN3_PLL1,
  18         CLK_TYPE_GEN3_PLL2,
  19         CLK_TYPE_GEN3_PLL3,
  20         CLK_TYPE_GEN3_PLL4,
  21         CLK_TYPE_GEN3_SD,
  22         CLK_TYPE_GEN3_R,
  23         CLK_TYPE_GEN3_PE,
  24         CLK_TYPE_GEN3_Z,
  25         CLK_TYPE_GEN3_Z2,
  26 };
  27
  28 #define DEF_GEN3_SD(_name, _id, _parent, _offset)       \
  29         DEF_BASE(_name, _id, CLK_TYPE_GEN3_SD, _parent, .offset = _offset)
  30
  31 #define DEF_GEN3_PE(_name, _id, _parent_sscg, _div_sscg, _parent_clean, \
  32                     _div_clean) \
  33         DEF_BASE(_name, _id, CLK_TYPE_GEN3_PE,                  \
  34                  (_parent_sscg) << 16 | (_parent_clean),        \
  35                  .div = (_div_sscg) << 16 | (_div_clean))
  36
  37 struct rcar_gen3_cpg_pll_config {
  38         u8 extal_div;
  39         u8 pll1_mult;
  40         u8 pll1_div;
  41         u8 pll3_mult;
  42         u8 pll3_div;
  43 };
  44
  45 #define CPG_RCKCR       0x240
  46
  47 struct clk *rcar_gen3_cpg_clk_register(struct device *dev,
  48         const struct cpg_core_clk *core, const struct cpg_mssr_info *info,
  49         struct clk **clks, void __iomem *base,
  50         struct raw_notifier_head *notifiers);
  51 int rcar_gen3_cpg_init(const struct rcar_gen3_cpg_pll_config *config,
  52                        unsigned int clk_extalr, u32 mode);
  53
  54 #endif