/* 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 … #define S3C_IICFLG_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 { … }; /** * 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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