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ARM: dts: stm32: Add custom PHY reset bindings on AV96

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The ethernet PHY must be reset on AV96, however DWMAC currently does
not support the MDIO-bus PHY GPIO reset bindings and the ethernet MAC
PHY reset property is going away on next DT sync. Add PHY specific
reset bindings to trigger the PHY reset and fix sporadic ethernet
malfunctions, until the next DT sync.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Patrice Chotard <patrice.chotard@foss.st.com>
Cc: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
This commit is contained in:
Marek Vasut 2021-11-13 03:27:37 +01:00 • committed by Patrice Chotard
parent 525dd34535
commit 312011e8e7
1 changed files with 11 additions and 0 deletions
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11
arch/arm/dts/stm32mp15xx-dhcor-avenger96-u-boot.dtsi
View file

@ -19,6 +19,17 @@
};
};
&ethernet0 {
mdio0 {
ethernet-phy@7 {
reset-gpios = <&gpioz 2 GPIO_ACTIVE_LOW>;
reset-assert-us = <11000>;
reset-deassert-us = <1000>;
};
};
};
&sdmmc1 {
u-boot,dm-spl;
};