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Commit 55132b8b authored by Ben Dooks's avatar Ben Dooks
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[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 Original line Diff line number Diff line
@@ -37,4 +37,15 @@ config CPU_S3C6400_CLOCK 
	  Common clock support code for the S3C6400 that is shared

	  Common clock support code for the S3C6400 that is shared

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

	  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
 
endif

arch/arm/plat-s3c64xx/Makefile

+4 −0
Original line number Original line 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_INIT)	+= s3c6400-init.o

obj-$(CONFIG_CPU_S3C6400_CLOCK)	+= s3c6400-clock.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 Original line 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);

}