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author | Ben Dooks <ben-linux@fluff.org> | 2010-01-20 11:09:28 +0900 |
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committer | Ben Dooks <ben-linux@fluff.org> | 2010-01-21 13:45:51 +0900 |
commit | 6890556c140469622497bea98cf49bf93f92f922 (patch) | |
tree | 67bf70c1bc46e02b77f2be9e659bff57bc2e844f /arch/arm/plat-samsung/include/plat/iic.h | |
parent | 54b89177ac533dc7439491afd26baf59464b425c (diff) | |
download | blackbird-op-linux-6890556c140469622497bea98cf49bf93f92f922.tar.gz blackbird-op-linux-6890556c140469622497bea98cf49bf93f92f922.zip |
ARM: SAMSUNG: Move more support into plat-samsung
Move header files which are not likely to be touched in
any further support addition out of plat-s3c's include
directory into plat-samsung.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/plat-samsung/include/plat/iic.h')
-rw-r--r-- | arch/arm/plat-samsung/include/plat/iic.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/arch/arm/plat-samsung/include/plat/iic.h b/arch/arm/plat-samsung/include/plat/iic.h new file mode 100644 index 000000000000..3083df00dee6 --- /dev/null +++ b/arch/arm/plat-samsung/include/plat/iic.h @@ -0,0 +1,62 @@ +/* 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 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); + +/* 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); + +#endif /* __ASM_ARCH_IIC_H */ |