Messages in this thread Patch in this message | | | From | "Radu Pirea (NXP OSS)" <> | Subject | [PATCH 1/3] ptp: add PTP_PEROUT_REVERSE_POLARITY flag | Date | Mon, 20 Dec 2021 14:08:57 +0200 |
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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(-)
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 -- 2.34.1
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