From 9498cb79463c9b2abb243a4b0c2ce3ac1853d5b0 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Thu, 30 Oct 2008 10:14:33 +0000 Subject: [ARM] S3C: Move i2c headers to arch/arm/plat-s3c/include/plat. Move the i2c headers to arch/arm/plat-s3c/include/plat ready to clean out the old include directories. Signed-off-by: Ben Dooks --- arch/arm/plat-s3c/include/plat/iic.h | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 arch/arm/plat-s3c/include/plat/iic.h (limited to 'arch/arm/plat-s3c/include/plat/iic.h') diff --git a/arch/arm/plat-s3c/include/plat/iic.h b/arch/arm/plat-s3c/include/plat/iic.h new file mode 100644 index 000000000000..5106acaa1d0e --- /dev/null +++ b/arch/arm/plat-s3c/include/plat/iic.h @@ -0,0 +1,33 @@ +/* arch/arm/mach-s3c2410/include/mach/iic.h + * + * Copyright (c) 2004 Simtec Electronics + * Ben Dooks + * + * S3C2410 - I2C Controller platfrom_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 */ + +/* Notes: + * 1) All frequencies are expressed in Hz + * 2) A value of zero is `do not care` +*/ + +struct s3c2410_platform_i2c { + int bus_num; /* bus number to use */ + unsigned int flags; + unsigned int slave_addr; /* slave address for controller */ + unsigned long bus_freq; /* standard bus frequency */ + unsigned long max_freq; /* max frequency for the bus */ + unsigned long min_freq; /* min frequency for the bus */ + unsigned int sda_delay; /* pclks (s3c2440 only) */ +}; + +#endif /* __ASM_ARCH_IIC_H */ -- cgit v1.2.2 From 3e1b776c2b9807d3af5945d5ece86dce9dfb0279 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:40 +0000 Subject: [ARM] S3C: Make i2c device definition common to plat-s3c Make the device i2c0 common to plat-s3c and move the definitions from arch/arm/plat-s3c24xx/devs.c Signed-off-by: Ben Dooks --- arch/arm/plat-s3c/include/plat/iic.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'arch/arm/plat-s3c/include/plat/iic.h') diff --git a/arch/arm/plat-s3c/include/plat/iic.h b/arch/arm/plat-s3c/include/plat/iic.h index 5106acaa1d0e..5073b1e74ee8 100644 --- a/arch/arm/plat-s3c/include/plat/iic.h +++ b/arch/arm/plat-s3c/include/plat/iic.h @@ -28,6 +28,28 @@ struct s3c2410_platform_i2c { unsigned long max_freq; /* max frequency for the bus */ unsigned long min_freq; /* min frequency for the bus */ unsigned int sda_delay; /* pclks (s3c2440 only) */ + + 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); + +/* defined by architecture to configure gpio */ +extern void s3c_i2c0_cfg_gpio(struct platform_device *dev); + #endif /* __ASM_ARCH_IIC_H */ -- cgit v1.2.2 From 1aba834da12989bb769d1dcbf6b0ea29f730c92c Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:14:55 +0000 Subject: [ARM] S3C: Add i2c1 device definition Add device definition and support functions for the second i2c device (i2c1). If this is selected, the first i2c bus will become index 0 instead of index -1. Signed-off-by: Ben Dooks --- arch/arm/plat-s3c/include/plat/iic.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/arm/plat-s3c/include/plat/iic.h') diff --git a/arch/arm/plat-s3c/include/plat/iic.h b/arch/arm/plat-s3c/include/plat/iic.h index 5073b1e74ee8..dc1dfcb9bc6c 100644 --- a/arch/arm/plat-s3c/include/plat/iic.h +++ b/arch/arm/plat-s3c/include/plat/iic.h @@ -48,8 +48,10 @@ struct s3c2410_platform_i2c { * 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 */ -- cgit v1.2.2