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