include/linux/platform_data/x86/clk-pmc-atom.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Intel Atom platform clocks for BayTrail and CherryTrail SoC.
   4  *
   5  * Copyright (C) 2016, Intel Corporation
   6  * Author: Irina Tirdea <irina.tirdea@intel.com>
   7  */
   8
   9 #ifndef __PLATFORM_DATA_X86_CLK_PMC_ATOM_H
  10 #define __PLATFORM_DATA_X86_CLK_PMC_ATOM_H
  11
  12 /**
  13  * struct pmc_clk - PMC platform clock configuration
  14  *
  15  * @name:       identified, typically pmc_plt_clk_<x>, x=[0..5]
  16  * @freq:       in Hz, 19.2MHz  and 25MHz (Baytrail only) supported
  17  * @parent_name: one of 'xtal' or 'osc'
  18  */
  19 struct pmc_clk {
  20         const char *name;
  21         unsigned long freq;
  22         const char *parent_name;
  23 };
  24
  25 /**
  26  * struct pmc_clk_data - common PMC clock configuration
  27  *
  28  * @base:       PMC clock register base offset
  29  * @clks:       pointer to set of registered clocks, typically 0..5
  30  * @critical:   flag to indicate if firmware enabled pmc_plt_clks
  31  *              should be marked as critial or not
  32  */
  33 struct pmc_clk_data {
  34         void __iomem *base;
  35         const struct pmc_clk *clks;
  36         bool critical;
  37 };
  38
  39 #endif /* __PLATFORM_DATA_X86_CLK_PMC_ATOM_H */