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| author | Ben Dooks <ben-linux@fluff.org> | 2008-10-31 16:14:56 +0000 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2008-12-15 23:43:29 +0000 |
| commit | f9e2f3453c2357b56870b483fbc4bfd950456625 (patch) | |
| tree | 03c1584703a8e7f8a9963ea70e8356985c7807a9 /arch/arm | |
| parent | d85fa24c517b5f67646ed42bffa870bcf8bdda63 (diff) | |
| download | op-kernel-dev-f9e2f3453c2357b56870b483fbc4bfd950456625.zip op-kernel-dev-f9e2f3453c2357b56870b483fbc4bfd950456625.tar.gz | |
[ARM] S3C64XX: Setup functions for i2c bus 1.
Add common gpio setup for i2c bus 1 on all current
S3C64XX architectures.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/plat-s3c64xx/Kconfig | 5 | ||||
| -rw-r--r-- | arch/arm/plat-s3c64xx/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/plat-s3c64xx/setup-i2c1.c | 31 |
3 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c64xx/Kconfig b/arch/arm/plat-s3c64xx/Kconfig index 0bcbe66..9037eb4 100644 --- a/arch/arm/plat-s3c64xx/Kconfig +++ b/arch/arm/plat-s3c64xx/Kconfig @@ -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 diff --git a/arch/arm/plat-s3c64xx/Makefile b/arch/arm/plat-s3c64xx/Makefile index 469f066..0a0b8c4 100644 --- a/arch/arm/plat-s3c64xx/Makefile +++ b/arch/arm/plat-s3c64xx/Makefile @@ -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 diff --git a/arch/arm/plat-s3c64xx/setup-i2c1.c b/arch/arm/plat-s3c64xx/setup-i2c1.c new file mode 100644 index 0000000..bbe229b --- /dev/null +++ b/arch/arm/plat-s3c64xx/setup-i2c1.c @@ -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); +} |
