// SPDX-License-Identifier: GPL-2.0-only /* * TI CDCE706 programmable 3-PLL clock synthesizer driver * * Copyright (c) 2014 Cadence Design Systems Inc. * * Reference: https://www.ti.com/lit/ds/symlink/cdce706.pdf */ #include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/delay.h> #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/of.h> #include <linux/rational.h> #include <linux/regmap.h> #include <linux/slab.h> #define CDCE706_CLKIN_CLOCK … #define CDCE706_CLKIN_SOURCE … #define CDCE706_PLL_M_LOW(pll) … #define CDCE706_PLL_N_LOW(pll) … #define CDCE706_PLL_HI(pll) … #define CDCE706_PLL_MUX … #define CDCE706_PLL_FVCO … #define CDCE706_DIVIDER(div) … #define CDCE706_CLKOUT(out) … #define CDCE706_CLKIN_CLOCK_MASK … #define CDCE706_CLKIN_SOURCE_SHIFT … #define CDCE706_CLKIN_SOURCE_MASK … #define CDCE706_CLKIN_SOURCE_LVCMOS … #define CDCE706_PLL_MUX_MASK(pll) … #define CDCE706_PLL_LOW_M_MASK … #define CDCE706_PLL_LOW_N_MASK … #define CDCE706_PLL_HI_M_MASK … #define CDCE706_PLL_HI_N_MASK … #define CDCE706_PLL_HI_N_SHIFT … #define CDCE706_PLL_M_MAX … #define CDCE706_PLL_N_MAX … #define CDCE706_PLL_FVCO_MASK(pll) … #define CDCE706_PLL_FREQ_MIN … #define CDCE706_PLL_FREQ_MAX … #define CDCE706_PLL_FREQ_HI … #define CDCE706_DIVIDER_PLL(div) … #define CDCE706_DIVIDER_PLL_SHIFT(div) … #define CDCE706_DIVIDER_PLL_MASK(div) … #define CDCE706_DIVIDER_DIVIDER_MASK … #define CDCE706_DIVIDER_DIVIDER_MAX … #define CDCE706_CLKOUT_DIVIDER_MASK … #define CDCE706_CLKOUT_ENABLE_MASK … static const struct regmap_config cdce706_regmap_config = …; #define to_hw_data(phw) … struct cdce706_hw_data { … }; struct cdce706_dev_data { … }; static const char * const cdce706_source_name[] = …; static const char * const cdce706_clkin_name[] = …; static const char * const cdce706_pll_name[] = …; static const char * const cdce706_divider_parent_name[] = …; static const char *cdce706_divider_name[] = …; static const char * const cdce706_clkout_name[] = …; static int cdce706_reg_read(struct cdce706_dev_data *dev_data, unsigned reg, unsigned *val) { … } static int cdce706_reg_write(struct cdce706_dev_data *dev_data, unsigned reg, unsigned val) { … } static int cdce706_reg_update(struct cdce706_dev_data *dev_data, unsigned reg, unsigned mask, unsigned val) { … } static int cdce706_clkin_set_parent(struct clk_hw *hw, u8 index) { … } static u8 cdce706_clkin_get_parent(struct clk_hw *hw) { … } static const struct clk_ops cdce706_clkin_ops = …; static unsigned long cdce706_pll_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { … } static long cdce706_pll_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *parent_rate) { … } static int cdce706_pll_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { … } static const struct clk_ops cdce706_pll_ops = …; static int cdce706_divider_set_parent(struct clk_hw *hw, u8 index) { … } static u8 cdce706_divider_get_parent(struct clk_hw *hw) { … } static unsigned long cdce706_divider_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { … } static int cdce706_divider_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) { … } static int cdce706_divider_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { … } static const struct clk_ops cdce706_divider_ops = …; static int cdce706_clkout_prepare(struct clk_hw *hw) { … } static void cdce706_clkout_unprepare(struct clk_hw *hw) { … } static int cdce706_clkout_set_parent(struct clk_hw *hw, u8 index) { … } static u8 cdce706_clkout_get_parent(struct clk_hw *hw) { … } static unsigned long cdce706_clkout_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { … } static int cdce706_clkout_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) { … } static int cdce706_clkout_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { … } static const struct clk_ops cdce706_clkout_ops = …; static int cdce706_register_hw(struct cdce706_dev_data *cdce, struct cdce706_hw_data *hw, unsigned num_hw, const char * const *clk_names, struct clk_init_data *init) { … } static int cdce706_register_clkin(struct cdce706_dev_data *cdce) { … } static int cdce706_register_plls(struct cdce706_dev_data *cdce) { … } static int cdce706_register_dividers(struct cdce706_dev_data *cdce) { … } static int cdce706_register_clkouts(struct cdce706_dev_data *cdce) { … } static struct clk_hw * of_clk_cdce_get(struct of_phandle_args *clkspec, void *data) { … } static int cdce706_probe(struct i2c_client *client) { … } #ifdef CONFIG_OF static const struct of_device_id cdce706_dt_match[] = …; MODULE_DEVICE_TABLE(of, cdce706_dt_match); #endif static const struct i2c_device_id cdce706_id[] = …; MODULE_DEVICE_TABLE(i2c, cdce706_id); static struct i2c_driver cdce706_i2c_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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