Commit f9e2f345 authored by Ben Dooks's avatar Ben Dooks
Browse files

[ARM] S3C64XX: Setup functions for i2c bus 1. 



Add common gpio setup for i2c bus 1 on all current
S3C64XX architectures.

Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent d85fa24c

arch/arm/plat-s3c64xx/Kconfig

+5 −0
Original line number Diff line number Diff line
@@ -48,4 +48,9 @@ config S3C64XX_SETUP_I2C0 
	  Note, currently since i2c0 is always compiled, this setup helper

	  is always compiled with it.



config S3C64XX_SETUP_I2C1

	bool

	help

	  Common setup code for i2c bus 1.



endif

arch/arm/plat-s3c64xx/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -27,3 +27,4 @@ obj-$(CONFIG_CPU_S3C6400_CLOCK) += s3c6400-clock.o 
# Device setup



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

obj-$(CONFIG_S3C64XX_SETUP_I2C1) += setup-i2c1.o

arch/arm/plat-s3c64xx/setup-i2c1.c

0 → 100644
+31 −0
Original line number Diff line number Diff line 
/* linux/arch/arm/plat-s3c64xx/setup-i2c1.c

 *

 * Copyright 2008 Openmoko, Inc.

 * Copyright 2008 Simtec Electronics

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

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

 *

 * Base S3C64XX I2C bus 1 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_i2c1_cfg_gpio(struct platform_device *dev)

{

	s3c_gpio_cfgpin(S3C64XX_GPB(2), S3C64XX_GPB2_I2C_SCL1);

	s3c_gpio_cfgpin(S3C64XX_GPB(3), S3C64XX_GPB3_I2C_SDA1);

	s3c_gpio_setpull(S3C64XX_GPB(2), S3C_GPIO_PULL_UP);

	s3c_gpio_setpull(S3C64XX_GPB(3), S3C_GPIO_PULL_UP);

}