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author | codeworkx <daniel.hillenbrand@codeworkx.de> | 2012-06-02 13:09:29 +0200 |
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committer | codeworkx <daniel.hillenbrand@codeworkx.de> | 2012-06-02 13:09:29 +0200 |
commit | c6da2cfeb05178a11c6d062a06f8078150ee492f (patch) | |
tree | f3b4021d252c52d6463a9b3c1bb7245e399b009c /arch/arm/mach-exynos/board-gps-bcm475x.c | |
parent | c6d7c4dbff353eac7919342ae6b3299a378160a6 (diff) | |
download | kernel_samsung_smdk4412-c6da2cfeb05178a11c6d062a06f8078150ee492f.tar.gz kernel_samsung_smdk4412-c6da2cfeb05178a11c6d062a06f8078150ee492f.tar.bz2 kernel_samsung_smdk4412-c6da2cfeb05178a11c6d062a06f8078150ee492f.zip |
samsung update 1
Diffstat (limited to 'arch/arm/mach-exynos/board-gps-bcm475x.c')
-rw-r--r-- | arch/arm/mach-exynos/board-gps-bcm475x.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos/board-gps-bcm475x.c b/arch/arm/mach-exynos/board-gps-bcm475x.c new file mode 100644 index 00000000000..7b9a1c75c01 --- /dev/null +++ b/arch/arm/mach-exynos/board-gps-bcm475x.c @@ -0,0 +1,69 @@ +#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> + +#if !defined(CONFIG_MACH_M0_GRANDECTC) + +static struct device *gps_dev; + +static int __init gps_bcm475x_init(void) +{ + int n_rst_pin = 0; + int n_rst_nc_pin = 0; + 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); + +#ifdef CONFIG_MACH_P2 + n_rst_pin = GPIO_GPS_nRST_28V; + n_rst_nc_pin = GPIO_GPS_nRST; +#else + n_rst_pin = GPIO_GPS_nRST; + n_rst_nc_pin = 0; +#endif + + if (gpio_request(n_rst_pin, "GPS_nRST")) + WARN(1, "fail to request gpio (GPS_nRST)\n"); + + s3c_gpio_setpull(n_rst_pin, S3C_GPIO_PULL_UP); + s3c_gpio_cfgpin(n_rst_pin, S3C_GPIO_OUTPUT); + gpio_direction_output(n_rst_pin, 1); + + if (gpio_request(GPIO_GPS_PWR_EN, "GPS_PWR_EN")) + WARN(1, "fail to request gpio (GPS_PWR_EN)\n"); + +#ifdef CONFIG_MACH_P2 + gpio_set_value(n_rst_nc_pin, 0); + s3c_gpio_cfgpin(n_rst_nc_pin, S3C_GPIO_OUTPUT); + s3c_gpio_setpull(n_rst_nc_pin, S3C_GPIO_PULL_NONE); +#endif + + 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(n_rst_pin, 1); + gpio_export(GPIO_GPS_PWR_EN, 1); + + gpio_export_link(gps_dev, "GPS_nRST", n_rst_pin); + gpio_export_link(gps_dev, "GPS_PWR_EN", GPIO_GPS_PWR_EN); + + return 0; +} + +device_initcall(gps_bcm475x_init); + +#endif |