The networking PHYs have a number of available device tree properties that
can be used in their device tree node. Add a YAML schemas for those.
Reviewed-by: NAndrew Lunn <andrew@lunn.ch>
Reviewed-by: NRob Herring <robh@kernel.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@bootlin.com>
[robh: drop maxItems from reg]
Signed-off-by: NRob Herring <robh@kernel.org>