/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2004 - 2009 Simtec Electronics
* Ben Dooks < ben @ simtec . co . uk >
*
* 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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