diff options
Diffstat (limited to 'include/linux/platform_data/i2c-s3c2410.h')
| -rw-r--r-- | include/linux/platform_data/i2c-s3c2410.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/include/linux/platform_data/i2c-s3c2410.h b/include/linux/platform_data/i2c-s3c2410.h new file mode 100644 index 000000000000..51d52e767a19 --- /dev/null +++ b/include/linux/platform_data/i2c-s3c2410.h | |||
| @@ -0,0 +1,77 @@ | |||
| 1 | /* arch/arm/plat-s3c/include/plat/iic.h | ||
| 2 | * | ||
| 3 | * Copyright 2004-2009 Simtec Electronics | ||
| 4 | * Ben Dooks <ben@simtec.co.uk> | ||
| 5 | * | ||
| 6 | * S3C - I2C Controller platform_device info | ||
| 7 | * | ||
| 8 | * This program is free software; you can redistribute it and/or modify | ||
| 9 | * it under the terms of the GNU General Public License version 2 as | ||
| 10 | * published by the Free Software Foundation. | ||
| 11 | */ | ||
| 12 | |||
| 13 | #ifndef __ASM_ARCH_IIC_H | ||
| 14 | #define __ASM_ARCH_IIC_H __FILE__ | ||
| 15 | |||
| 16 | #define S3C_IICFLG_FILTER (1<<0) /* enable s3c2440 filter */ | ||
| 17 | |||
| 18 | /** | ||
| 19 | * struct s3c2410_platform_i2c - Platform data for s3c I2C. | ||
| 20 | * @bus_num: The bus number to use (if possible). | ||
| 21 | * @flags: Any flags for the I2C bus (E.g. S3C_IICFLK_FILTER). | ||
| 22 | * @slave_addr: The I2C address for the slave device (if enabled). | ||
| 23 | * @frequency: The desired frequency in Hz of the bus. This is | ||
| 24 | * guaranteed to not be exceeded. If the caller does | ||
| 25 | * not care, use zero and the driver will select a | ||
| 26 | * useful default. | ||
| 27 | * @sda_delay: The delay (in ns) applied to SDA edges. | ||
| 28 | * @cfg_gpio: A callback to configure the pins for I2C operation. | ||
| 29 | */ | ||
| 30 | struct s3c2410_platform_i2c { | ||
| 31 | int bus_num; | ||
| 32 | unsigned int flags; | ||
| 33 | unsigned int slave_addr; | ||
| 34 | unsigned long frequency; | ||
| 35 | unsigned int sda_delay; | ||
| 36 | |||
| 37 | void (*cfg_gpio)(struct platform_device *dev); | ||
| 38 | }; | ||
| 39 | |||
| 40 | /** | ||
| 41 | * s3c_i2c0_set_platdata - set platform data for i2c0 device | ||
| 42 | * @i2c: The platform data to set, or NULL for default data. | ||
| 43 | * | ||
| 44 | * Register the given platform data for use with the i2c0 device. This | ||
| 45 | * call copies the platform data, so the caller can use __initdata for | ||
| 46 | * their copy. | ||
| 47 | * | ||
| 48 | * This call will set cfg_gpio if is null to the default platform | ||
| 49 | * implementation. | ||
| 50 | * | ||
| 51 | * Any user of s3c_device_i2c0 should call this, even if it is with | ||
| 52 | * NULL to ensure that the device is given the default platform data | ||
| 53 | * as the driver will no longer carry defaults. | ||
| 54 | */ | ||
| 55 | extern void s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *i2c); | ||
| 56 | extern void s3c_i2c1_set_platdata(struct s3c2410_platform_i2c *i2c); | ||
| 57 | extern void s3c_i2c2_set_platdata(struct s3c2410_platform_i2c *i2c); | ||
| 58 | extern void s3c_i2c3_set_platdata(struct s3c2410_platform_i2c *i2c); | ||
| 59 | extern void s3c_i2c4_set_platdata(struct s3c2410_platform_i2c *i2c); | ||
| 60 | extern void s3c_i2c5_set_platdata(struct s3c2410_platform_i2c *i2c); | ||
| 61 | extern void s3c_i2c6_set_platdata(struct s3c2410_platform_i2c *i2c); | ||
| 62 | extern void s3c_i2c7_set_platdata(struct s3c2410_platform_i2c *i2c); | ||
| 63 | extern void s5p_i2c_hdmiphy_set_platdata(struct s3c2410_platform_i2c *i2c); | ||
| 64 | |||
| 65 | /* defined by architecture to configure gpio */ | ||
| 66 | extern void s3c_i2c0_cfg_gpio(struct platform_device *dev); | ||
| 67 | extern void s3c_i2c1_cfg_gpio(struct platform_device *dev); | ||
| 68 | extern void s3c_i2c2_cfg_gpio(struct platform_device *dev); | ||
| 69 | extern void s3c_i2c3_cfg_gpio(struct platform_device *dev); | ||
| 70 | extern void s3c_i2c4_cfg_gpio(struct platform_device *dev); | ||
| 71 | extern void s3c_i2c5_cfg_gpio(struct platform_device *dev); | ||
| 72 | extern void s3c_i2c6_cfg_gpio(struct platform_device *dev); | ||
| 73 | extern void s3c_i2c7_cfg_gpio(struct platform_device *dev); | ||
| 74 | |||
| 75 | extern struct s3c2410_platform_i2c default_i2c_data; | ||
| 76 | |||
| 77 | #endif /* __ASM_ARCH_IIC_H */ | ||
