/* SPDX-License-Identifier: GPL-2.0 * * tcan4x5x - Texas Instruments TCAN4x5x Family CAN controller driver * * Copyright (c) 2020 Pengutronix, * Marc Kleine-Budde <kernel@pengutronix.de> */ #ifndef _TCAN4X5X_H #define _TCAN4X5X_H #include <linux/gpio/consumer.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/spi/spi.h> #include "m_can.h" #define TCAN4X5X_SANITIZE_SPI 1 struct __packed tcan4x5x_buf_cmd { u8 cmd; __be16 addr; u8 len; }; struct tcan4x5x_map_buf { struct tcan4x5x_buf_cmd cmd; u8 data[256 * sizeof(u32)]; } ____cacheline_aligned; struct tcan4x5x_priv { struct m_can_classdev cdev; struct regmap *regmap; struct spi_device *spi; struct gpio_desc *reset_gpio; struct gpio_desc *device_wake_gpio; struct gpio_desc *device_state_gpio; struct regulator *power; struct tcan4x5x_map_buf map_buf_rx; struct tcan4x5x_map_buf map_buf_tx; }; static inline void tcan4x5x_spi_cmd_set_len(struct tcan4x5x_buf_cmd *cmd, u8 len) { /* number of u32 */ cmd->len = len >> 2; } int tcan4x5x_regmap_init(struct tcan4x5x_priv *priv); #endif