diff options
Diffstat (limited to 'arch/arm/mach-exynos/board-gps-bcm4752.c')
| -rw-r--r-- | arch/arm/mach-exynos/board-gps-bcm4752.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos/board-gps-bcm4752.c b/arch/arm/mach-exynos/board-gps-bcm4752.c new file mode 100644 index 0000000..de166f1 --- /dev/null +++ b/arch/arm/mach-exynos/board-gps-bcm4752.c @@ -0,0 +1,43 @@ +#include <linux/init.h> +#include <linux/err.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <mach/gpio.h> +#include <plat/gpio-cfg.h> +#include <mach/board-gps.h> + +static struct device *gps_dev; + +static int __init gps_bcm4752_init(void) +{ + BUG_ON(!sec_class); + gps_dev = device_create(sec_class, NULL, 0, NULL, "gps"); + BUG_ON(!gps_dev); + + s3c_gpio_cfgpin(GPIO_GPS_RXD, S3C_GPIO_SFN(GPIO_GPS_RXD_AF)); + s3c_gpio_setpull(GPIO_GPS_RXD, S3C_GPIO_PULL_UP); + s3c_gpio_cfgpin(GPIO_GPS_TXD, S3C_GPIO_SFN(GPIO_GPS_TXD_AF)); + s3c_gpio_setpull(GPIO_GPS_TXD, S3C_GPIO_PULL_NONE); + s3c_gpio_cfgpin(GPIO_GPS_CTS, S3C_GPIO_SFN(GPIO_GPS_CTS_AF)); + s3c_gpio_setpull(GPIO_GPS_CTS, S3C_GPIO_PULL_NONE); + s3c_gpio_cfgpin(GPIO_GPS_RTS, S3C_GPIO_SFN(GPIO_GPS_RTS_AF)); + s3c_gpio_setpull(GPIO_GPS_RTS, S3C_GPIO_PULL_NONE); + + if (gpio_request(GPIO_GPS_PWR_EN, "GPS_PWR_EN")) { + WARN(1, "fail to request gpio (GPS_PWR_EN)\n"); + gpio_free(GPIO_GPS_PWR_EN); + return 1; + } + + s3c_gpio_setpull(GPIO_GPS_PWR_EN, S3C_GPIO_PULL_NONE); + s3c_gpio_cfgpin(GPIO_GPS_PWR_EN, S3C_GPIO_OUTPUT); + gpio_direction_output(GPIO_GPS_PWR_EN, 0); + + gpio_export(GPIO_GPS_PWR_EN, 1); + + gpio_export_link(gps_dev, "GPS_PWR_EN", GPIO_GPS_PWR_EN); + + return 0; +} + +device_initcall(gps_bcm4752_init);
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