Re: [PATCH net-next v5 02/14] docs: networking: Add PPE driver documentation for Qualcomm IPQ9574 SoC

[Randy Dunlap]

Hi--

On 6/26/25 7:31 AM, Luo Jie wrote:
> +Below is a simplified hardware diagram of IPQ9574 SoC which includes the PPE engine and
> +other blocks which are in the SoC but outside the PPE engine. These blocks work together
> +to enable the Ethernet for the IPQ SoC::
> +

[snip]

> + | |              +-------------------------+ +---------+ +---------+         | |
> + | |125/312.5M clk|       (PCS0)            | | (PCS1)  | | (PCS2)  | pcs ops | |
> + | +--------------+       UNIPHY0           | | UNIPHY1 | | UNIPHY2 |<--------+ |
> + +--------------->|                         | |         | |         |           |
> + | 31.25M ref clk +-------------------------+ +---------+ +---------+           |
> + |                   |     |      |      |          |          |                |
> + |              +-----------------------------------------------------+         |
> + |25/50M ref clk| +-------------------------+    +------+   +------+  | link    |
> + +------------->| |      QUAD PHY           |    | PHY4 |   | PHY5 |  |---------+
> +                | +-------------------------+    +------+   +------+  | change
> +                |                                                     |
> +                |                       MDIO bus                      |
> +                +-----------------------------------------------------+

Does the 'M' on the clk signals on the left side mean megahertz (MHz)?
I guess that it does, but it was a little confusing when I first saw it.

Thanks.
-- 
~Randy