diff options
| author | Ben Dooks <ben-linux@fluff.org> | 2008-10-31 16:14:51 +0000 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2008-12-15 23:42:21 +0000 |
| commit | 55132b8b4630a4b03d5c5556808c8d3866381536 (patch) | |
| tree | 98625f4a1b884763fe0641d15c7dd4581d4c7166 | |
| parent | 26da1bfc567e10ca20cf2ffa97dcdcbd5112275b (diff) | |
[ARM] S3C64XX: Add i2c device setup for I2C device 0
Add the necessary device initialisation information
for I2C device 0.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| -rw-r--r-- | arch/arm/plat-s3c64xx/Kconfig | 11 | ||||
| -rw-r--r-- | arch/arm/plat-s3c64xx/Makefile | 4 | ||||
| -rw-r--r-- | arch/arm/plat-s3c64xx/setup-i2c0.c | 31 |
3 files changed, 46 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c64xx/Kconfig b/arch/arm/plat-s3c64xx/Kconfig index 842200abeb36..0bcbe663e2f0 100644 --- a/arch/arm/plat-s3c64xx/Kconfig +++ b/arch/arm/plat-s3c64xx/Kconfig @@ -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 diff --git a/arch/arm/plat-s3c64xx/Makefile b/arch/arm/plat-s3c64xx/Makefile index a5b7c388351e..469f066daab7 100644 --- a/arch/arm/plat-s3c64xx/Makefile +++ b/arch/arm/plat-s3c64xx/Makefile @@ -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 diff --git a/arch/arm/plat-s3c64xx/setup-i2c0.c b/arch/arm/plat-s3c64xx/setup-i2c0.c new file mode 100644 index 000000000000..364480763728 --- /dev/null +++ b/arch/arm/plat-s3c64xx/setup-i2c0.c @@ -0,0 +1,31 @@ +/* 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); +} |