cns3xxx: add PPS support for laguna

[openwrt/openwrt.git] / target / linux / cns3xxx / files / arch / arm / mach-cns3xxx / laguna.c

diff --git a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c
index 854318355e4a93dcc3c3c78e2e7f43b8f44f9a3a..8b611c55826beea744224b8895755f814020a036 100644 (file)
--- a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c
+++ b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c
@@ -36,6 +36,7 @@
 #include <linux/spi/spi.h>
 #include <linux/spi/flash.h>
 #include <linux/if_ether.h>
+#include <linux/pps-gpio.h>
 #include <asm/setup.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -580,6 +581,22 @@ static struct platform_device laguna_watchdog = {
        .resource       = laguna_watchdog_resources,
 };
 
+/*
+ * GPS PPS
+ */
+static struct pps_gpio_platform_data laguna_pps_data = {
+       .gpio_pin = 0,
+       .gpio_label = "GPS_PPS",
+       .assert_falling_edge = 0,
+       .capture_clear = 0,
+};
+
+static struct platform_device laguna_pps_device = {
+       .name = "pps-gpio",
+       .id = -1,
+       .dev.platform_data = &laguna_pps_data,
+};
+
 /*
  * GPIO
  */
@@ -869,6 +886,9 @@ static int __init laguna_model_setup(void)
                    (laguna_info.config_bitmap & SPI1_LOAD))
                        platform_device_register(&laguna_spi_controller);
 
+               if (laguna_info.config2_bitmap & GPS_LOAD)
+                       platform_device_register(&laguna_pps_device);
+
                /*
                 * Do any model specific setup not known by the bitmap by matching
                 *  the first 6 characters of the model name