| /* arch/arm/plat-s3c/include/plat/iic.h |
| * |
| * Copyright 2004-2009 Simtec Electronics |
| * Ben Dooks <ben@simtec.co.uk> |
| * |
| * S3C - I2C Controller platform_device info |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #ifndef __ASM_ARCH_IIC_H |
| #define __ASM_ARCH_IIC_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 /* __ASM_ARCH_IIC_H */ |
