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Subject[PATCH 1/3] ptp: add PTP_PEROUT_REVERSE_POLARITY flag
Date
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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