Re: [PATCH v1 2/2] dt-bindings: net: micrel: Convert micrel-ksz90x1.txt to DT schema

From: Andrew Lunn

Date: Tue Dec 23 2025 - 09:39:28 EST


> + patternProperties:
> + '^([rt]xd[0-3]|[rt]xc|rxdv|txen)-skew-ps$':
> + description: |
> + Skew control of the pad in picoseconds. A value of 0 equals to a
> + skew of -840ps.
> + The actual increment on the chip is 120ps ranging from -840ps to
> + 960ps, this mismatch comes from a documentation error before
> + datasheet revision 1.2 (Feb 2014):

> - Device Tree Value Delay Pad Skew Register Value
> - -----------------------------------------------------
> - 0 -840ps 0000
> - 200 -720ps 0001
> - 400 -600ps 0010
> - 600 -480ps 0011
> - 800 -360ps 0100
> - 1000 -240ps 0101
> - 1200 -120ps 0110
> - 1400 0ps 0111
> - 1600 120ps 1000
> - 1800 240ps 1001
> - 2000 360ps 1010
> - 2200 480ps 1011
> - 2400 600ps 1100
> - 2600 720ps 1101
> - 2800 840ps 1110
> - 3000 960ps 1111

I think this table is more readable? But maybe without the register
value, which is an implementation detail.

Andrew