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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * Copyright 2004-2009 Simtec Electronics
- * Ben Dooks <[email protected]>
- *
- * S3C - I2C Controller platform_device info
- */
- #ifndef __I2C_S3C2410_H
- #define __I2C_S3C2410_H __FILE__
- #define S3C_IICFLG_FILTER (1<<0) /* enable s3c2440 filter */
- struct platform_device;
- /**
- * struct s3c2410_platform_i2c - Platform data for s3c I2C.
- * @bus_num: The bus number to use (if possible).
- * @flags: Any flags for the I2C bus (E.g. S3C_IICFLK_FILTER).
- * @slave_addr: The I2C address for the slave device (if enabled).
- * @frequency: The desired frequency in Hz of the bus. This is
- * guaranteed to not be exceeded. If the caller does
- * not care, use zero and the driver will select a
- * useful default.
- * @sda_delay: The delay (in ns) applied to SDA edges.
- * @cfg_gpio: A callback to configure the pins for I2C operation.
- */
- struct s3c2410_platform_i2c {
- int bus_num;
- unsigned int flags;
- unsigned int slave_addr;
- unsigned long frequency;
- unsigned int sda_delay;
- void (*cfg_gpio)(struct platform_device *dev);
- };
- /**
- * s3c_i2c0_set_platdata - set platform data for i2c0 device
- * @i2c: The platform data to set, or NULL for default data.
- *
- * Register the given platform data for use with the i2c0 device. This
- * call copies the platform data, so the caller can use __initdata for
- * their copy.
- *
- * This call will set cfg_gpio if is null to the default platform
- * implementation.
- *
- * Any user of s3c_device_i2c0 should call this, even if it is with
- * NULL to ensure that the device is given the default platform data
- * as the driver will no longer carry defaults.
- */
- extern void s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *i2c);
- extern void s3c_i2c1_set_platdata(struct s3c2410_platform_i2c *i2c);
- extern void s3c_i2c2_set_platdata(struct s3c2410_platform_i2c *i2c);
- extern void s3c_i2c3_set_platdata(struct s3c2410_platform_i2c *i2c);
- extern void s3c_i2c4_set_platdata(struct s3c2410_platform_i2c *i2c);
- extern void s3c_i2c5_set_platdata(struct s3c2410_platform_i2c *i2c);
- extern void s3c_i2c6_set_platdata(struct s3c2410_platform_i2c *i2c);
- extern void s3c_i2c7_set_platdata(struct s3c2410_platform_i2c *i2c);
- extern void s5p_i2c_hdmiphy_set_platdata(struct s3c2410_platform_i2c *i2c);
- /* defined by architecture to configure gpio */
- extern void s3c_i2c0_cfg_gpio(struct platform_device *dev);
- extern void s3c_i2c1_cfg_gpio(struct platform_device *dev);
- extern void s3c_i2c2_cfg_gpio(struct platform_device *dev);
- extern void s3c_i2c3_cfg_gpio(struct platform_device *dev);
- extern void s3c_i2c4_cfg_gpio(struct platform_device *dev);
- extern void s3c_i2c5_cfg_gpio(struct platform_device *dev);
- extern void s3c_i2c6_cfg_gpio(struct platform_device *dev);
- extern void s3c_i2c7_cfg_gpio(struct platform_device *dev);
- extern struct s3c2410_platform_i2c default_i2c_data;
- #endif /* __I2C_S3C2410_H */
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