On Sun, Aug 11, 2024 at 11:11:14PM -0400, Frank Li wrote:
> mdio.yaml wrong parser mdio controller's address instead phy's address when
> mdio-mux exist.
>
> For example:
> mdio-mux-emi1@54 {
> compatible = "mdio-mux-mmioreg", "mdio-mux";
>
> mdio@20 {
> reg = <0x20>;
> ^^^ This is mdio controller register
>
> ethernet-phy@2 {
> reg = <0x2>;
> ^^^ This phy's address
> };
> };
> };
>
> Only phy's address is limited to 31 because MDIO bus defination.
nit: definition
Also, in subject: patten -> pattern
Flagged by checkpatch.pl --codespell
> But CHECK_DTBS report below warning:
>
> arch/arm64/boot/dts/freescale/fsl-ls1043a-qds.dtb: mdio-mux-emi1@54:
> mdio@20:reg:0:0: 32 is greater than the maximum of 31
>
> The reason is that "mdio@20" match "patternProperties: '@[0-9a-f]+$'" in
> mdio.yaml.
>
> Change to '^(?!mdio@).*@[0-9a-f]+$' to avoid match parent's mdio
> controller's address.
>
> Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
...
