Re: [PATCH v2 net-next 01/14] dt-bindings: ptp: add NETC Timer PTP clock

[Krzysztof Kozlowski]

On Wed, Jul 16, 2025 at 03:30:58PM +0800, Wei Fang wrote:
> +properties:
> +  compatible:
> +    enum:
> +      - pci1131,ee02
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +    description:
> +      The reference clock of NETC Timer, if not present, indicates that
> +      the system clock of NETC IP is selected as the reference clock.

If not present...

> +
> +  clock-names:

... this also is not present...

> +    description:
> +      NETC Timer has three reference clock sources, set TMR_CTRL[CK_SEL]
> +      by parsing clock name to select one of them as the reference clock.
> +      The "system" means that the system clock of NETC IP is used as the
> +      reference clock.
> +      The "ccm_timer" means another clock from CCM as the reference clock.
> +      The "ext_1588" means the reference clock comes from external IO pins.
> +    enum:
> +      - system

So what does system mean?

Best regards,
Krzysztof