samsung update 1

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 0000000..7b9a1c7
--- /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