// SPDX-License-Identifier: GPL-2.0-only /* * TI keystone reboot driver * * Copyright (C) 2014 Texas Instruments Incorporated. https://www.ti.com/ * * Author: Ivan Khoronzhuk <[email protected]> */ #include <linux/io.h> #include <linux/module.h> #include <linux/notifier.h> #include <linux/platform_device.h> #include <linux/reboot.h> #include <linux/regmap.h> #include <linux/mfd/syscon.h> #include <linux/of.h> #define RSTYPE_RG … #define RSCTRL_RG … #define RSCFG_RG … #define RSISO_RG … #define RSCTRL_KEY_MASK … #define RSCTRL_RESET_MASK … #define RSCTRL_KEY … #define RSMUX_OMODE_MASK … #define RSMUX_OMODE_RESET_ON … #define RSMUX_OMODE_RESET_OFF … #define RSMUX_LOCK_MASK … #define RSMUX_LOCK_SET … #define RSCFG_RSTYPE_SOFT … #define RSCFG_RSTYPE_HARD … #define WDT_MUX_NUMBER … static int rspll_offset; static struct regmap *pllctrl_regs; /** * rsctrl_enable_rspll_write - enable access to RSCTRL, RSCFG * To be able to access to RSCTRL, RSCFG registers * we have to write a key before */ static inline int rsctrl_enable_rspll_write(void) { … } static int rsctrl_restart_handler(struct notifier_block *this, unsigned long mode, void *cmd) { … } static struct notifier_block rsctrl_restart_nb = …; static const struct of_device_id rsctrl_of_match[] = …; MODULE_DEVICE_TABLE(of, rsctrl_of_match); static int rsctrl_probe(struct platform_device *pdev) { … } static struct platform_driver rsctrl_driver = …; module_platform_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_ALIAS(…) …;
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