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

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

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Ben Dooks 2008-10-31 16:14:56 +00:00
parent d85fa24c51
commit f9e2f3453c
3 changed files with 37 additions and 0 deletions
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5
arch/arm/plat-s3c64xx/Kconfig
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@ -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

1
arch/arm/plat-s3c64xx/Makefile
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@ -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

31
arch/arm/plat-s3c64xx/setup-i2c1.c Normal file
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@ -0,0 +1,31 @@
/* 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);
}