Re: [PATCH v1 2/2] dt-bindings: net: micrel: Convert micrel-ksz90x1.txt to DT schema
From: Andrew Lunn <andrew@lunn.ch>
Date: 2025-12-23 14:39:28
Also in:
linux-devicetree, lkml
From: Andrew Lunn <andrew@lunn.ch>
Date: 2025-12-23 14:39:28
Also in:
linux-devicetree, lkml
+ 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