[PATCH v2 1/2] arm64: dts: meson-gxbb-odroidc2: read the Ethernet MAC address from eFuse

Neil Armstrong neil.armstrong at linaro.org
Mon Oct 12 02:25:39 PDT 2026


On 10/11/26 22:49, Martin Blumenstingl wrote:
> Thank you for your patch!
> 
> On Sun, Oct 11, 2026 at 8:31 PM Fil Dunsky via B4 Relay
> <devnull+filipp.dunsky.gmail.com at kernel.org> wrote:
> [...]
>> +&eth_mac {
>> +       reg = <0x34 0x6>;
>> +};
> Question to Neil: should the eth_mac node be moved from meson-gx.dtsi
> to meson-gxbb-odroidc2.dts?
> Odroid-C2 would be the only board using it and u-boot seems to derive
> MAC from SoC chip ID/serial number instead of reading it from eFuse
> (so I'm not sure about the status of MAC address in eFuse on most
> boards).

Odroid C2 has a custom efuse mapping so it can't be used on other boards.

Neil



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