Re: [PATCH v6 net-next 01/17] dt-bindings: ptp: add NETC Timer PTP clock

[Krzysztof Kozlowski <krzk@kernel.org>]

On 27/08/2025 08:33, Wei Fang wrote:
> NXP NETC (Ethernet Controller) is a multi-function PCIe Root Complex
> Integrated Endpoint (RCiEP), the Timer is one of its functions which
> provides current time with nanosecond resolution, precise periodic
> pulse, pulse on timeout (alarm), and time capture on external pulse
> support. And also supports time synchronization as required for IEEE
> 1588 and IEEE 802.1AS-2020. So add device tree binding doc for the PTP
> clock based on NETC Timer.
> 
> NETC Timer has three reference clock sources, but the clock mux is inside
> the IP. Therefore, the driver will parse the clock name to select the
> desired clock source. If the clocks property is not present, NETC Timer
> will use the system clock of NETC IP as its reference clock. Because the
> Timer is a PCIe function of NETC IP, the system clock of NETC is always
> available to the Timer.
> 
> Signed-off-by: Wei Fang <wei.fang@nxp.com>
> Reviewed-by: Frank Li <Frank.Li@nxp.com>

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof