970-pps-gpio-ar9331.patch

diff --git a/arch/mips/ath79/mach-gl-inet.c b/arch/mips/ath79/mach-gl-inet.c
index 0713f14..0374d70 100644
--- a/arch/mips/ath79/mach-gl-inet.c
+++ b/arch/mips/ath79/mach-gl-inet.c
@@ -14,6 +14,23 @@
 #include <linux/gpio.h>

 #include <asm/mach-ath79/ath79.h>
+#include <linux/pps-gpio.h>
+#include <linux/platform_device.h>
+#include <linux/syscore_ops.h>
+#include <linux/interrupt.h>
+#include <linux/amba/bus.h>
+#include <linux/amba/clcd.h>
+#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
+#include <linux/clockchips.h>
+#include <linux/cnt32_to_63.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <linux/spi/spi.h>
+#include <linux/w1-gpio.h>
+#include <linux/pps-gpio.h>
+

 #include "dev-eth.h"
 #include "dev-gpio-buttons.h"
@@ -30,6 +47,8 @@
 #define GL_INET_KEYS_POLL_INTERVAL	20	/* msecs */
 #define GL_INET_KEYS_DEBOUNCE_INTERVAL	(3 * GL_INET_KEYS_POLL_INTERVAL)

+static int pps_gpio_pin = 17;
+
 static const char * gl_inet_part_probes[] = {
 	"tp-link", /* dont change, this will use tplink parser */
 	NULL ,
@@ -64,6 +83,32 @@ static struct gpio_keys_button gl_inet_gpio_keys[] __initdata = {
 	}
 };

+static struct pps_gpio_platform_data pps_gpio_info = {
+        .assert_falling_edge = false,
+        .capture_clear = false,
+        .gpio_pin = -1,
+        .gpio_label = "PPS",
+};
+
+static struct platform_device pps_gpio_device = {
+        .name = "pps-gpio",
+        .id = PLATFORM_DEVID_NONE,
+        .dev.platform_data = &pps_gpio_info,
+};
+
+
+int __init gl_register_device(struct platform_device *pdev)
+{
+        int ret;
+
+        ret = platform_device_register(pdev);
+        if (ret)
+                pr_debug("Unable to register platform device '%s': %d\n",
+                         pdev->name, ret);
+
+        return ret;
+}
+
 static void __init gl_inet_setup(void)
 {
 	/* get the mac address which is stored in the 1st 64k uboot MTD */
@@ -96,6 +141,11 @@ static void __init gl_inet_setup(void)
 	ath79_init_mac(ath79_eth1_data.mac_addr, mac, 0);
 	ath79_register_eth(1);

+	pr_info("bcm2709: GPIO %d setup as pps-gpio device\n", pps_gpio_pin);
+	pps_gpio_info.gpio_pin = pps_gpio_pin;
+	pps_gpio_device.id = pps_gpio_pin;
+	gl_register_device(&pps_gpio_device);
+
 	/* register wireless mac with cal data */
 	ath79_register_wmac(ee, mac);
 }