Commit 55132b8b authored by Ben Dooks's avatar Ben Dooks
Browse files

[ARM] S3C64XX: Add i2c device setup for I2C device 0 



Add the necessary device initialisation information
for I2C device 0.

Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent 26da1bfc

arch/arm/plat-s3c64xx/Kconfig

+11 −0
Original line number Diff line number Diff line
@@ -37,4 +37,15 @@ config CPU_S3C6400_CLOCK 
	  Common clock support code for the S3C6400 that is shared

	  by other CPUs in the series, such as the S3C6410.



# platform specific device setup



config S3C64XX_SETUP_I2C0

	bool

	default y

	help

	  Common setup code for i2c bus 0.



	  Note, currently since i2c0 is always compiled, this setup helper

	  is always compiled with it.



endif

arch/arm/plat-s3c64xx/Makefile

+4 −0
Original line number Diff line number Diff line
@@ -23,3 +23,7 @@ obj-y += gpiolib.o 


obj-$(CONFIG_CPU_S3C6400_INIT)	+= s3c6400-init.o

obj-$(CONFIG_CPU_S3C6400_CLOCK)	+= s3c6400-clock.o



# Device setup



obj-$(CONFIG_S3C64XX_SETUP_I2C0) += setup-i2c0.o

arch/arm/plat-s3c64xx/setup-i2c0.c

0 → 100644
+31 −0
Original line number Diff line number Diff line 
/* linux/arch/arm/plat-s3c64xx/setup-i2c0.c

 *

 * Copyright 2008 Openmoko, Inc.

 * Copyright 2008 Simtec Electronics

 *	Ben Dooks <ben@simtec.co.uk>

 *	http://armlinux.simtec.co.uk/

 *

 * Base S3C64XX I2C bus 0 gpio configuration

 *

 * 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.

*/



#include <linux/kernel.h>

#include <linux/types.h>



struct platform_device; /* don't need the contents */



#include <mach/gpio.h>

#include <plat/iic.h>

#include <plat/gpio-bank-b.h>

#include <plat/gpio-cfg.h>



void s3c_i2c0_cfg_gpio(struct platform_device *dev)

{

	s3c_gpio_cfgpin(S3C64XX_GPB(5), S3C64XX_GPB5_I2C_SCL0);

	s3c_gpio_cfgpin(S3C64XX_GPB(6), S3C64XX_GPB6_I2C_SDA0);

	s3c_gpio_setpull(S3C64XX_GPB(5), S3C_GPIO_PULL_UP);

	s3c_gpio_setpull(S3C64XX_GPB(6), S3C_GPIO_PULL_UP);

}