Lan966x has 8 PTP programmable pins. The last pin is hardcoded to be used by PHC0 and all the rest are shareable between the PHCs. The PTP pins can implement both extts and perout functions. v1->v2: - use ptp_find_pin_unlocked instead of ptp_find_pin inside the irq handler. Horatiu Vultur (5): dt-bindings: net: lan966x: Extend with the ptp external interrupt. net: lan966x: Change the PTP pin used to read/write the PHC. net: lan966x: Add registers used to configure the PTP pin net: lan966x: Add support for PTP_PF_PEROUT net: lan966x: Add support for PTP_PF_EXTTS .../net/microchip,lan966x-switch.yaml | 2 + .../ethernet/microchip/lan966x/lan966x_main.c | 17 ++ .../ethernet/microchip/lan966x/lan966x_main.h | 4 + .../ethernet/microchip/lan966x/lan966x_ptp.c | 276 +++++++++++++++++- .../ethernet/microchip/lan966x/lan966x_regs.h | 40 +++ 5 files changed, 338 insertions(+), 1 deletion(-) -- 2.33.0