Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> writes: > The Meson8m2 SoC is a variant of Meson8 with some updates from Meson8b > (such as the Gigabit capable DesignWare MAC). > It is mostly pin compatible with Meson8, only 10 (existing) CBUS pins > get an additional function. Four of these are Ethernet RXD2, RXD3, TXD2 > and TXD3 (GPIOZ_0..GPIOZ_3) which are required when the board uses an > RGMII PHY. GPIODV_24 and GPIODV_25 provide "VGA" support on Meson8, > which doesn't seem to be supported on Meson8m2 anymore. > The other 4 are GPIOH_9 (reg 3 bit 19), CARD_4 (reg 8 bit 8), > CARD_5 (reg 8 bit 7) and GPIOY_3 (reg 3 bit 11). Their function is > currently unknown. > > The AOBUS pins seem to be identical on Meson8 and Meson8m2. However, > since there's no official documentation I decided to add a new compatible > string. Reviewed-by: Kevin Hilman <khilman@xxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html