Re: [PATCH net-next v2 7/8] dt-bindings: net: x-powers: add AC200/AC300 EPHY

[email protected] Thu, 06 Aug 2026 02:32:40 +0000
Newsgroups dev.linux.lists.mfd,org.kernel.vger.linux-devicetree
Message-ID <[email protected]>
> The AC200 and AC300 MDIO link interfaces report the same Clause 22
> identifier and use a compatible link-side paged register layout, but need
> different package control interfaces before that identifier can be read.
> 
> Describe the forced-ID PHY and require exactly one reference to an
> enabled AC200 or AC300 control device. The PHY node's reg value is
> programmed through the AC200 control interface. For AC300, it must match
> the address selected by the package straps and is therefore limited to 0
> through 7.
> 
> Allow a system to provide its optional two-bit SID configuration field.
> Bit 0 identifies the AC200 or AC300 package and must agree with the
> described control device. Bit 1 selects the AC300 low-calibration tuning
> sequence. Omitting the field skips package validation and selects the
> normal calibration sequence.
> 
> Also describe the optional xMII receive-clock inversion needed by some
> integrations. Requiring an X-Powers control reference distinguishes these
> integrations from the Rockchip RK630 PHY, which reports the same
> identifier.
> 
> Signed-off-by: James Hilliard <[email protected]>

Sashiko has reviewed this patch and found no issues. It looks great!

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