On Wed, Apr 22, 2020 at 11:24:56AM +0200, Oleksij Rempel wrote: > TJA1102 is a dual PHY package with PHY0 having proper PHYID and PHY1 > having no ID. On one hand it is possible to for PHY detection by > compatible, on other hand we should be able to reset complete chip > before PHY1 configured it, and we need to define dependencies for proper > power management. > > We can solve it by defining PHY1 as child of PHY0: > tja1102_phy0: ethernet-phy@4 { > reg = <0x4>; > > interrupts-extended = <&gpio5 8 IRQ_TYPE_LEVEL_LOW>; > > reset-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>; > reset-assert-us = <20>; > reset-deassert-us = <2000>; > > tja1102_phy1: ethernet-phy@5 { > reg = <0x5>; > > interrupts-extended = <&gpio5 8 IRQ_TYPE_LEVEL_LOW>; > }; > }; > > The PHY1 should be a subnode of PHY0 and registered only after PHY0 was > completely reset and initialized. > > Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx> Reviewed-by: Andrew Lunn <andrew@xxxxxxx> Andrew