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kernel/linux-imx6_3.14.28/drivers/clk/qcom/clk-pll.h 1.62 KB
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  /*
   * Copyright (c) 2013, The Linux Foundation. All rights reserved.
   *
   * This software is licensed under the terms of the GNU General Public
   * License version 2, as published by the Free Software Foundation, and
   * may be copied, distributed, and modified under those terms.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   */
  
  #ifndef __QCOM_CLK_PLL_H__
  #define __QCOM_CLK_PLL_H__
  
  #include <linux/clk-provider.h>
  #include "clk-regmap.h"
  
  /**
   * struct clk_pll - phase locked loop (PLL)
   * @l_reg: L register
   * @m_reg: M register
   * @n_reg: N register
   * @config_reg: config register
   * @mode_reg: mode register
   * @status_reg: status register
   * @status_bit: ANDed with @status_reg to determine if PLL is enabled
   * @hw: handle between common and hardware-specific interfaces
   */
  struct clk_pll {
  	u32	l_reg;
  	u32	m_reg;
  	u32	n_reg;
  	u32	config_reg;
  	u32	mode_reg;
  	u32	status_reg;
  	u8	status_bit;
  
  	struct clk_regmap clkr;
  };
  
  extern const struct clk_ops clk_pll_ops;
  extern const struct clk_ops clk_pll_vote_ops;
  
  #define to_clk_pll(_hw) container_of(to_clk_regmap(_hw), struct clk_pll, clkr)
  
  struct pll_config {
  	u16 l;
  	u32 m;
  	u32 n;
  	u32 vco_val;
  	u32 vco_mask;
  	u32 pre_div_val;
  	u32 pre_div_mask;
  	u32 post_div_val;
  	u32 post_div_mask;
  	u32 mn_ena_mask;
  	u32 main_output_mask;
  	u32 aux_output_mask;
  };
  
  void clk_pll_configure_sr_hpm_lp(struct clk_pll *pll, struct regmap *regmap,
  		const struct pll_config *config, bool fsm_mode);
  
  #endif