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Subject[PATCH v3 23/33] docs: ptp.txt: convert to ReST and move to driver-api
Date
The conversion is trivial: just adjust title markups.

In order to avoid conflicts, let's add an :orphan: tag
to it, to be removed when this file gets added to the
driver-api book.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
---
.../{ptp/ptp.txt => driver-api/ptp.rst} | 26 +++++++++++++------
Documentation/networking/timestamping.txt | 2 +-
MAINTAINERS | 2 +-
3 files changed, 20 insertions(+), 10 deletions(-)
rename Documentation/{ptp/ptp.txt => driver-api/ptp.rst} (88%)

diff --git a/Documentation/ptp/ptp.txt b/Documentation/driver-api/ptp.rst
similarity index 88%
rename from Documentation/ptp/ptp.txt
rename to Documentation/driver-api/ptp.rst
index 11e904ee073f..b6e65d66d37a 100644
--- a/Documentation/ptp/ptp.txt
+++ b/Documentation/driver-api/ptp.rst
@@ -1,5 +1,8 @@
+:orphan:

-* PTP hardware clock infrastructure for Linux
+===========================================
+PTP hardware clock infrastructure for Linux
+===========================================

This patch set introduces support for IEEE 1588 PTP clocks in
Linux. Together with the SO_TIMESTAMPING socket options, this
@@ -22,7 +25,8 @@
- Period output signals configurable from user space
- Synchronization of the Linux system time via the PPS subsystem

-** PTP hardware clock kernel API
+PTP hardware clock kernel API
+=============================

A PTP clock driver registers itself with the class driver. The
class driver handles all of the dealings with user space. The
@@ -36,7 +40,8 @@
development, it can be useful to have more than one clock in a
single system, in order to allow performance comparisons.

-** PTP hardware clock user space API
+PTP hardware clock user space API
+=================================

The class driver also creates a character device for each
registered clock. User space can use an open file descriptor from
@@ -49,7 +54,8 @@
ancillary clock features. User space can receive time stamped
events via blocking read() and poll().

-** Writing clock drivers
+Writing clock drivers
+=====================

Clock drivers include include/linux/ptp_clock_kernel.h and register
themselves by presenting a 'struct ptp_clock_info' to the
@@ -66,14 +72,17 @@
class driver, since the lock may also be needed by the clock
driver's interrupt service routine.

-** Supported hardware
+Supported hardware
+==================
+
+ * Freescale eTSEC gianfar

- + Freescale eTSEC gianfar
- 2 Time stamp external triggers, programmable polarity (opt. interrupt)
- 2 Alarm registers (optional interrupt)
- 3 Periodic signals (optional interrupt)

- + National DP83640
+ * National DP83640
+
- 6 GPIOs programmable as inputs or outputs
- 6 GPIOs with dedicated functions (LED/JTAG/clock) can also be
used as general inputs or outputs
@@ -81,6 +90,7 @@
- GPIO outputs can produce periodic signals
- 1 interrupt pin

- + Intel IXP465
+ * Intel IXP465
+
- Auxiliary Slave/Master Mode Snapshot (optional interrupt)
- Target Time (optional interrupt)
diff --git a/Documentation/networking/timestamping.txt b/Documentation/networking/timestamping.txt
index bbdaf8990031..8dd6333c3270 100644
--- a/Documentation/networking/timestamping.txt
+++ b/Documentation/networking/timestamping.txt
@@ -368,7 +368,7 @@ ts[1] used to hold hardware timestamps converted to system time.
Instead, expose the hardware clock device on the NIC directly as
a HW PTP clock source, to allow time conversion in userspace and
optionally synchronize system time with a userspace PTP stack such
-as linuxptp. For the PTP clock API, see Documentation/ptp/ptp.txt.
+as linuxptp. For the PTP clock API, see Documentation/driver-api/ptp.rst.

Note that if the SO_TIMESTAMP or SO_TIMESTAMPNS option is enabled
together with SO_TIMESTAMPING using SOF_TIMESTAMPING_SOFTWARE, a false
diff --git a/MAINTAINERS b/MAINTAINERS
index b982622ea7ee..72d1e5da0779 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12795,7 +12795,7 @@ L: netdev@vger.kernel.org
S: Maintained
W: http://linuxptp.sourceforge.net/
F: Documentation/ABI/testing/sysfs-ptp
-F: Documentation/ptp/*
+F: Documentation/driver-api/ptp.rst
F: drivers/net/phy/dp83640*
F: drivers/ptp/*
F: include/linux/ptp_cl*
--
2.21.0
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