Many Laguna products have on-board GPS with Pulse-per-second (PPS) support. This patch adds kernel support (statically) and adds the platform data in laguna board support.
Signed-off-by: Tim Harvey <[email protected]> --- target/linux/cns3xxx/config-3.3 | 7 +++++++ .../cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c | 20 ++++++++++++++++++++ 2 files changed, 27 insertions(+), 0 deletions(-) diff --git a/target/linux/cns3xxx/config-3.3 b/target/linux/cns3xxx/config-3.3 index 6963747..4090b31 100644 --- a/target/linux/cns3xxx/config-3.3 +++ b/target/linux/cns3xxx/config-3.3 @@ -131,6 +131,7 @@ CONFIG_NEED_DMA_MAP_STATE=y CONFIG_NET_VENDOR_CAVIUM=y CONFIG_NLS=y CONFIG_NR_CPUS=2 +CONFIG_NTP_PPS=y CONFIG_OUTER_CACHE=y CONFIG_OUTER_CACHE_SYNC=y CONFIG_PAGEFLAGS_EXTENDED=y @@ -143,7 +144,13 @@ CONFIG_PHYLIB=y CONFIG_PL310_ERRATA_588369=y CONFIG_PL310_ERRATA_727915=y CONFIG_PL310_ERRATA_769419=y +CONFIG_PPS=y +CONFIG_PPS_CLIENT_GPIO=y +# CONFIG_PPS_CLIENT_KTIMER is not set +# CONFIG_PPS_CLIENT_LDISC is not set +# CONFIG_PPS_DEBUG is not set # CONFIG_PREEMPT_RCU is not set +# CONFIG_PTP_1588_CLOCK is not set CONFIG_RAID_ATTRS=y CONFIG_RFS_ACCEL=y CONFIG_RPS=y 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 8543183..8b611c5 100644 --- 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> @@ -581,6 +582,22 @@ static struct platform_device laguna_watchdog = { }; /* + * 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 -- 1.7.5.4 _______________________________________________ openwrt-devel mailing list [email protected] https://lists.openwrt.org/mailman/listinfo/openwrt-devel
