[PATCH] arm64: dts: meson: odroidc2: readd PHY reset properties
Neil Armstrong
narmstrong at baylibre.com
Wed Apr 7 17:51:58 CEST 2021
On 07/04/2021 16:49, Stefan Agner wrote:
> The sync of the device tree and dt-bindings from Linux v5.6-rc2
> 11a48a5a18c6 ("Linux 5.6-rc2") causes Ethernet to break on some
> ODROID-C2. The PHY seems to need proper reset timing to be functional
> in U-Boot and Linux afterwards. Readd the old PHY reset bindings for
> dwmac until we support the new bindings in the PHY node.
>
> Fixes: dd5f2351e99a ("arm64: dts: meson: sync dt and bindings from v5.6-rc2")
> Signed-off-by: Stefan Agner <stefan at agner.ch>
> ---
> arch/arm/dts/meson-gxbb-odroidc2.dts | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm/dts/meson-gxbb-odroidc2.dts b/arch/arm/dts/meson-gxbb-odroidc2.dts
> index 70fcfb7b06..8b80bbc90b 100644
> --- a/arch/arm/dts/meson-gxbb-odroidc2.dts
> +++ b/arch/arm/dts/meson-gxbb-odroidc2.dts
> @@ -188,6 +188,10 @@
> phy-handle = <ð_phy0>;
> phy-mode = "rgmii";
>
> + snps,reset-gpio = <&gpio GPIOZ_14 0>;
> + snps,reset-delays-us = <0 10000 1000000>;
> + snps,reset-active-low;
> +
> amlogic,tx-delay-ns = <2>;
>
> mdio {
>
Thanks, it's ok but please add the changes to arch/arm/dts/meson-gxbb-odroidc2-u-boot.dtsi
instead, we want to keep the DT files in sync with Linux, local u-boot changes must go into
the -u-boot.dtsi files.
Neil
More information about the U-Boot
mailing list