Merge branch 'add-netc-timer-ptp-driver-and-add-ptp-support-for-i-mx95'

Wei Fang says:

====================
Add NETC Timer PTP driver and add PTP support for i.MX95

This series adds NETC Timer PTP clock driver, which supports precise
periodic pulse, time capture on external pulse and PTP synchronization.
It also adds PTP support to the enetc v4 driver for i.MX95 and optimizes
the PTP-related code in the enetc driver.
====================

Link: https://patch.msgid.link/20250829050615.1247468-1-wei.fang@nxp.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h
index 3d089bd4d5e9..7dd7951b23d5 100644
--- a/include/linux/ptp_clock_kernel.h
+++ b/include/linux/ptp_clock_kernel.h
@@ -361,6 +361,24 @@ extern void ptp_clock_event(struct ptp_clock *ptp,
 extern int ptp_clock_index(struct ptp_clock *ptp);
 
 /**
+ * ptp_clock_index_by_of_node() - obtain the device index of
+ * a PTP clock based on the PTP device of_node
+ *
+ * @np:    The device of_node pointer of the PTP device.
+ * Return: The PHC index on success or -1 on failure.
+ */
+int ptp_clock_index_by_of_node(struct device_node *np);
+
+/**
+ * ptp_clock_index_by_dev() - obtain the device index of
+ * a PTP clock based on the PTP device.
+ *
+ * @parent:    The parent device (PTP device) pointer of the PTP clock.
+ * Return: The PHC index on success or -1 on failure.
+ */
+int ptp_clock_index_by_dev(struct device *parent);
+
+/**
  * ptp_find_pin() - obtain the pin index of a given auxiliary function
  *
  * The caller must hold ptp_clock::pincfg_mux.  Drivers do not have
@@ -425,6 +443,10 @@ static inline void ptp_clock_event(struct ptp_clock *ptp,
 { }
 static inline int ptp_clock_index(struct ptp_clock *ptp)
 { return -1; }
+static inline int ptp_clock_index_by_of_node(struct device_node *np)
+{ return -1; }
+static inline int ptp_clock_index_by_dev(struct device *parent)
+{ return -1; }
 static inline int ptp_find_pin(struct ptp_clock *ptp,
 			       enum ptp_pin_function func, unsigned int chan)
 { return -1; }