Enable the PCIe Gen2x1 controller and combo PHY on the NanoPi Zero2 to support the M.2 Key-E 2230 slot used for WiFi/BT cards (e.g. Intel AX210). The reset GPIO (gpio1 RK_PA2) and pinctrl (pciem1_pins) match the vendor kernel device tree. Note: Intel AX210 requires iwlwifi firmware >= v89 (iwlwifi-ty-a0-gf-a0-89.ucode) which may not be included in minimal images. Install linux-firmware or armbian-firmware-full if needed. Firmware available at: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/ Tested on hardware with Intel AX210 on kernel 6.18 (current branch). |
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