[PATCH v3 06/19] dt-bindings: memory: introduce DDR4
Clement LE GOFFIC
clement.legoffic at foss.st.com
Wed Jul 23 00:30:46 PDT 2025
Hi Julius,
On 7/22/25 23:57, Julius Werner wrote:
>> + - pattern: "^ddr4-[0-9a-f]{2},[0-9a-f]{4}$"
>
> This pattern doesn't really make sense when DDR4 doesn't have the same
> manufacturer ID / revision ID format as LPDDR. You could either only
> leave the fallback constant for now, or define a new auto-generated
> format that matches what DDR4 SPD provides (which I believe, if I read
> Wikipedia right, is a two byte manufacturer ID and then an up to 20
> character ASCII part number string -- so it could be
> `^ddr4-[0-9a-f{2},[0-9A-Za-z]{1,20}$`).
Oh ok I didn't catch that it should be from the SPD.
I'll propose something.
Best regards,
Clément
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