forked from mirrors/linux
d2912cb15b
Based on 2 normalized pattern(s): 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 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 # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
75 lines
2.9 KiB
C
75 lines
2.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright 2004-2009 Simtec Electronics
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* Ben Dooks <ben@simtec.co.uk>
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*
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* S3C - I2C Controller platform_device info
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*/
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#ifndef __I2C_S3C2410_H
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#define __I2C_S3C2410_H __FILE__
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#define S3C_IICFLG_FILTER (1<<0) /* enable s3c2440 filter */
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struct platform_device;
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/**
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* struct s3c2410_platform_i2c - Platform data for s3c I2C.
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* @bus_num: The bus number to use (if possible).
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* @flags: Any flags for the I2C bus (E.g. S3C_IICFLK_FILTER).
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* @slave_addr: The I2C address for the slave device (if enabled).
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* @frequency: The desired frequency in Hz of the bus. This is
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* guaranteed to not be exceeded. If the caller does
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* not care, use zero and the driver will select a
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* useful default.
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* @sda_delay: The delay (in ns) applied to SDA edges.
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* @cfg_gpio: A callback to configure the pins for I2C operation.
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*/
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struct s3c2410_platform_i2c {
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int bus_num;
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unsigned int flags;
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unsigned int slave_addr;
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unsigned long frequency;
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unsigned int sda_delay;
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void (*cfg_gpio)(struct platform_device *dev);
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};
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/**
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* s3c_i2c0_set_platdata - set platform data for i2c0 device
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* @i2c: The platform data to set, or NULL for default data.
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*
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* Register the given platform data for use with the i2c0 device. This
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* call copies the platform data, so the caller can use __initdata for
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* their copy.
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*
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* This call will set cfg_gpio if is null to the default platform
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* implementation.
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*
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* Any user of s3c_device_i2c0 should call this, even if it is with
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* NULL to ensure that the device is given the default platform data
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* as the driver will no longer carry defaults.
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*/
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extern void s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *i2c);
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extern void s3c_i2c1_set_platdata(struct s3c2410_platform_i2c *i2c);
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extern void s3c_i2c2_set_platdata(struct s3c2410_platform_i2c *i2c);
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extern void s3c_i2c3_set_platdata(struct s3c2410_platform_i2c *i2c);
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extern void s3c_i2c4_set_platdata(struct s3c2410_platform_i2c *i2c);
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extern void s3c_i2c5_set_platdata(struct s3c2410_platform_i2c *i2c);
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extern void s3c_i2c6_set_platdata(struct s3c2410_platform_i2c *i2c);
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extern void s3c_i2c7_set_platdata(struct s3c2410_platform_i2c *i2c);
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extern void s5p_i2c_hdmiphy_set_platdata(struct s3c2410_platform_i2c *i2c);
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/* defined by architecture to configure gpio */
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extern void s3c_i2c0_cfg_gpio(struct platform_device *dev);
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extern void s3c_i2c1_cfg_gpio(struct platform_device *dev);
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extern void s3c_i2c2_cfg_gpio(struct platform_device *dev);
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extern void s3c_i2c3_cfg_gpio(struct platform_device *dev);
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extern void s3c_i2c4_cfg_gpio(struct platform_device *dev);
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extern void s3c_i2c5_cfg_gpio(struct platform_device *dev);
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extern void s3c_i2c6_cfg_gpio(struct platform_device *dev);
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extern void s3c_i2c7_cfg_gpio(struct platform_device *dev);
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extern struct s3c2410_platform_i2c default_i2c_data;
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#endif /* __I2C_S3C2410_H */
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