// SPDX-License-Identifier: GPL-2.0-or-later /* * Driver for Renesas 9-series PCIe clock generator driver * * The following series can be supported: * - 9FGV/9DBV/9DMV/9FGL/9DML/9QXL/9SQ * Currently supported: * - 9FGV0241 * - 9FGV0441 * - 9FGV0841 * * Copyright (C) 2022 Marek Vasut <[email protected]> */ #include <linux/clk-provider.h> #include <linux/i2c.h> #include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/of.h> #include <linux/regmap.h> #define RS9_REG_OE … #define RS9_REG_SS … #define RS9_REG_SS_AMP_0V6 … #define RS9_REG_SS_AMP_0V7 … #define RS9_REG_SS_AMP_0V8 … #define RS9_REG_SS_AMP_0V9 … #define RS9_REG_SS_AMP_DEFAULT … #define RS9_REG_SS_AMP_MASK … #define RS9_REG_SS_SSC_100 … #define RS9_REG_SS_SSC_M025 … #define RS9_REG_SS_SSC_M050 … #define RS9_REG_SS_SSC_DEFAULT … #define RS9_REG_SS_SSC_MASK … #define RS9_REG_SS_SSC_LOCK … #define RS9_REG_SR … #define RS9_REG_REF … #define RS9_REG_REF_OE … #define RS9_REG_REF_OD … #define RS9_REG_REF_SR_SLOWEST … #define RS9_REG_REF_SR_SLOW … #define RS9_REG_REF_SR_FAST … #define RS9_REG_REF_SR_FASTER … #define RS9_REG_VID … #define RS9_REG_DID … #define RS9_REG_BCP … #define RS9_REG_VID_MASK … #define RS9_REG_VID_IDT … #define RS9_REG_DID_TYPE_FGV … #define RS9_REG_DID_TYPE_DBV … #define RS9_REG_DID_TYPE_DMV … #define RS9_REG_DID_TYPE_SHIFT … /* Structure to describe features of a particular 9-series model */ struct rs9_chip_info { … }; struct rs9_driver_data { … }; /* * Renesas 9-series i2c regmap */ static const struct regmap_range rs9_readable_ranges[] = …; static const struct regmap_access_table rs9_readable_table = …; static const struct regmap_range rs9_writeable_ranges[] = …; static const struct regmap_access_table rs9_writeable_table = …; static int rs9_regmap_i2c_write(void *context, unsigned int reg, unsigned int val) { … } static int rs9_regmap_i2c_read(void *context, unsigned int reg, unsigned int *val) { … } static const struct regmap_config rs9_regmap_config = …; static u8 rs9_calc_dif(const struct rs9_driver_data *rs9, int idx) { … } static int rs9_get_output_config(struct rs9_driver_data *rs9, int idx) { … } static int rs9_get_common_config(struct rs9_driver_data *rs9) { … } static void rs9_update_config(struct rs9_driver_data *rs9) { … } static struct clk_hw * rs9_of_clk_get(struct of_phandle_args *clkspec, void *data) { … } static int rs9_probe(struct i2c_client *client) { … } static int __maybe_unused rs9_suspend(struct device *dev) { … } static int __maybe_unused rs9_resume(struct device *dev) { … } static const struct rs9_chip_info renesas_9fgv0241_info = …; static const struct rs9_chip_info renesas_9fgv0441_info = …; static const struct rs9_chip_info renesas_9fgv0841_info = …; static const struct i2c_device_id rs9_id[] = …; MODULE_DEVICE_TABLE(i2c, rs9_id); static const struct of_device_id clk_rs9_of_match[] = …; MODULE_DEVICE_TABLE(of, clk_rs9_of_match); static SIMPLE_DEV_PM_OPS(rs9_pm_ops, rs9_suspend, rs9_resume); static struct i2c_driver rs9_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
Codebase Browser
linux