/****************************************************************************** * * Copyright 2023 NXP Semiconductors * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * 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. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * ******************************************************************************/ #ifndef _ESE_RESET_H_ #define _ESE_RESET_H_ #include <linux/ktime.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/delay.h> #include <linux/gpio.h> #include "p73.h" /*! * \brief Delay time required for ese reset by gpio */ #define ESE_GPIO_RESET_WAIT_TIME_USEC (12000) /*! * \brief Guard time delay to prevent back to back gpio reset requests */ #define ESE_GPIO_RST_GUARD_TIME_MS (50) /*! * \brief Argument values to be passed to ioctl call */ #define ESE_SOFT_RESET (1UL) #define ESE_HARD_RESET (2UL) #define ESE_DOMAIN_RESET (5UL) /*! * \brief To denote gpio reset currently in progress */ typedef struct reset_timer { int rst_gpio; bool in_progress; struct mutex reset_mutex; struct timer_list timer; } reset_timer_t; void ese_reset_init(void); int perform_ese_gpio_reset(int rst_gpio); void ese_reset_deinit(void); int ese_reset_gpio_setup(struct p61_spi_platform_data *data); #endif