| Message ID | 20211220120859.140453-1-radu-nicolae.pirea@oss.nxp.com (mailing list archive) |
|---|---|
| State | Changes Requested |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | [1/3] ptp: add PTP_PEROUT_REVERSE_POLARITY flag | expand |
On Mon, Dec 20, 2021 at 02:08:57PM +0200, Radu Pirea (NXP OSS) wrote: > Some ptp controllers may be able to reverse the polarity of the periodic > output signal. Using the PTP_PEROUT_REVERSE_POLARITY flag we can tell the > drivers to reverse the polarity of the signal. Please always Cc: the PTP maintainer, Richard Cochran <richardcochran@gmail.com>. For a patch set, please also include a patch 0/X which explains what the patches as a whole do. Andrew
diff --git a/include/uapi/linux/ptp_clock.h b/include/uapi/linux/ptp_clock.h index 1d108d597f66..34bc4ff89341 100644 --- a/include/uapi/linux/ptp_clock.h +++ b/include/uapi/linux/ptp_clock.h @@ -56,13 +56,15 @@ #define PTP_PEROUT_ONE_SHOT (1<<0) #define PTP_PEROUT_DUTY_CYCLE (1<<1) #define PTP_PEROUT_PHASE (1<<2) +#define PTP_PEROUT_REVERSE_POLARITY (1<<3) /* * flag fields valid for the new PTP_PEROUT_REQUEST2 ioctl. */ #define PTP_PEROUT_VALID_FLAGS (PTP_PEROUT_ONE_SHOT | \ PTP_PEROUT_DUTY_CYCLE | \ - PTP_PEROUT_PHASE) + PTP_PEROUT_PHASE | \ + PTP_PEROUT_REVERSE_POLARITY) /* * No flags are valid for the original PTP_PEROUT_REQUEST ioctl
Some ptp controllers may be able to reverse the polarity of the periodic output signal. Using the PTP_PEROUT_REVERSE_POLARITY flag we can tell the drivers to reverse the polarity of the signal. Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com> --- include/uapi/linux/ptp_clock.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)