/* * 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 pll_freq_tbl - PLL frequency table * @l: L value * @m: M value * @n: N value * @ibits: internal values */ struct pll_freq_tbl { unsigned long freq; u16 l; u16 m; u16 n; u32 ibits; }; /** * 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 * @freq_tbl: PLL frequency table * @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; u8 post_div_width; u8 post_div_shift; const struct pll_freq_tbl *freq_tbl; struct clk_regmap clkr; }; extern const struct clk_ops clk_pll_ops; extern const struct clk_ops clk_pll_vote_ops; extern const struct clk_ops clk_pll_sr2_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(struct clk_pll *pll, struct regmap *regmap, const struct pll_config *config, bool fsm_mode); void clk_pll_configure_sr_hpm_lp(struct clk_pll *pll, struct regmap *regmap, const struct pll_config *config, bool fsm_mode); #endif