| Sachin Kamat | cd5006d | 2014-02-14 12:01:30 +0530 | [diff] [blame] | 1 | /* |
| Ben Dooks | ccae941 | 2009-11-13 22:54:14 +0000 | [diff] [blame] | 2 | * Copyright 2004-2009 Simtec Electronics |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * Ben Dooks <ben@simtec.co.uk> |
| 4 | * |
| Daniel Silverstone | c564e6a | 2009-03-13 13:53:46 +0000 | [diff] [blame] | 5 | * S3C - I2C Controller platform_device info |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License version 2 as |
| 9 | * published by the Free Software Foundation. |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | */ |
| 11 | |
| Sachin Kamat | cd5006d | 2014-02-14 12:01:30 +0530 | [diff] [blame] | 12 | #ifndef __I2C_S3C2410_H |
| 13 | #define __I2C_S3C2410_H __FILE__ |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | |
| 15 | #define S3C_IICFLG_FILTER (1<<0) /* enable s3c2440 filter */ |
| 16 | |
| Arnd Bergmann | b2dc0c2 | 2013-02-13 23:08:18 +0100 | [diff] [blame] | 17 | struct platform_device; |
| 18 | |
| Daniel Silverstone | c564e6a | 2009-03-13 13:53:46 +0000 | [diff] [blame] | 19 | /** |
| 20 | * struct s3c2410_platform_i2c - Platform data for s3c I2C. |
| 21 | * @bus_num: The bus number to use (if possible). |
| 22 | * @flags: Any flags for the I2C bus (E.g. S3C_IICFLK_FILTER). |
| 23 | * @slave_addr: The I2C address for the slave device (if enabled). |
| 24 | * @frequency: The desired frequency in Hz of the bus. This is |
| 25 | * guaranteed to not be exceeded. If the caller does |
| 26 | * not care, use zero and the driver will select a |
| 27 | * useful default. |
| 28 | * @sda_delay: The delay (in ns) applied to SDA edges. |
| 29 | * @cfg_gpio: A callback to configure the pins for I2C operation. |
| 30 | */ |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | struct s3c2410_platform_i2c { |
| Daniel Silverstone | c564e6a | 2009-03-13 13:53:46 +0000 | [diff] [blame] | 32 | int bus_num; |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | unsigned int flags; |
| Daniel Silverstone | c564e6a | 2009-03-13 13:53:46 +0000 | [diff] [blame] | 34 | unsigned int slave_addr; |
| 35 | unsigned long frequency; |
| 36 | unsigned int sda_delay; |
| Ben Dooks | 3e1b776 | 2008-10-31 16:14:40 +0000 | [diff] [blame] | 37 | |
| 38 | void (*cfg_gpio)(struct platform_device *dev); |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | }; |
| 40 | |
| Ben Dooks | 3e1b776 | 2008-10-31 16:14:40 +0000 | [diff] [blame] | 41 | /** |
| 42 | * s3c_i2c0_set_platdata - set platform data for i2c0 device |
| 43 | * @i2c: The platform data to set, or NULL for default data. |
| 44 | * |
| 45 | * Register the given platform data for use with the i2c0 device. This |
| 46 | * call copies the platform data, so the caller can use __initdata for |
| 47 | * their copy. |
| 48 | * |
| 49 | * This call will set cfg_gpio if is null to the default platform |
| 50 | * implementation. |
| 51 | * |
| 52 | * Any user of s3c_device_i2c0 should call this, even if it is with |
| 53 | * NULL to ensure that the device is given the default platform data |
| 54 | * as the driver will no longer carry defaults. |
| 55 | */ |
| 56 | extern void s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *i2c); |
| Ben Dooks | 1aba834 | 2008-10-31 16:14:55 +0000 | [diff] [blame] | 57 | extern void s3c_i2c1_set_platdata(struct s3c2410_platform_i2c *i2c); |
| Marek Szyprowski | c8d833b | 2010-05-20 08:13:06 +0200 | [diff] [blame] | 58 | extern void s3c_i2c2_set_platdata(struct s3c2410_platform_i2c *i2c); |
| Kyungmin Park | b7a9825 | 2010-10-12 07:49:24 +0900 | [diff] [blame] | 59 | extern void s3c_i2c3_set_platdata(struct s3c2410_platform_i2c *i2c); |
| 60 | extern void s3c_i2c4_set_platdata(struct s3c2410_platform_i2c *i2c); |
| 61 | extern void s3c_i2c5_set_platdata(struct s3c2410_platform_i2c *i2c); |
| 62 | extern void s3c_i2c6_set_platdata(struct s3c2410_platform_i2c *i2c); |
| 63 | extern void s3c_i2c7_set_platdata(struct s3c2410_platform_i2c *i2c); |
| Tomasz Stanislawski | c40e7e0 | 2011-09-16 18:44:36 +0900 | [diff] [blame] | 64 | extern void s5p_i2c_hdmiphy_set_platdata(struct s3c2410_platform_i2c *i2c); |
| Ben Dooks | 3e1b776 | 2008-10-31 16:14:40 +0000 | [diff] [blame] | 65 | |
| 66 | /* defined by architecture to configure gpio */ |
| 67 | extern void s3c_i2c0_cfg_gpio(struct platform_device *dev); |
| Ben Dooks | 1aba834 | 2008-10-31 16:14:55 +0000 | [diff] [blame] | 68 | extern void s3c_i2c1_cfg_gpio(struct platform_device *dev); |
| Marek Szyprowski | c8d833b | 2010-05-20 08:13:06 +0200 | [diff] [blame] | 69 | extern void s3c_i2c2_cfg_gpio(struct platform_device *dev); |
| Kyungmin Park | b7a9825 | 2010-10-12 07:49:24 +0900 | [diff] [blame] | 70 | extern void s3c_i2c3_cfg_gpio(struct platform_device *dev); |
| 71 | extern void s3c_i2c4_cfg_gpio(struct platform_device *dev); |
| 72 | extern void s3c_i2c5_cfg_gpio(struct platform_device *dev); |
| 73 | extern void s3c_i2c6_cfg_gpio(struct platform_device *dev); |
| 74 | extern void s3c_i2c7_cfg_gpio(struct platform_device *dev); |
| Ben Dooks | 3e1b776 | 2008-10-31 16:14:40 +0000 | [diff] [blame] | 75 | |
| Naveen Krishna Chatradhi | 696f6fc | 2011-07-16 13:30:09 +0900 | [diff] [blame] | 76 | extern struct s3c2410_platform_i2c default_i2c_data; |
| 77 | |
| Sachin Kamat | cd5006d | 2014-02-14 12:01:30 +0530 | [diff] [blame] | 78 | #endif /* __I2C_S3C2410_H */ |