The OTG on the Nano does not work unless the USB was started in the bootloader, because was lacking the power-domain control. This series is based on patches from [1] and an additional, pending patch [2] which removed a USB node which does not exist according to documentation for the SoC. [1] - https://patchwork.kernel.org/project/linux-arm-kernel/list/?series=357903 [2] - https://patchwork.kernel.org/project/linux-arm-kernel/patch/20201008183300.726756-1-aford173@xxxxxxxxx/ Adam Ford (4): dt-bindings: add defines for i.MX8MN power domains soc: imx: gpcv2: add support for i.MX8MN power domains arm64: dts: imx8mn: add GPC node and power domains arm64: dts: imx8mn: Add power-domain reference in USB controller .../bindings/power/fsl,imx-gpcv2.yaml | 1 + arch/arm64/boot/dts/freescale/imx8mn.dtsi | 50 ++++++++ drivers/soc/imx/gpcv2.c | 117 ++++++++++++++++++ include/dt-bindings/power/imx8mn-power.h | 15 +++ 4 files changed, 183 insertions(+) create mode 100644 include/dt-bindings/power/imx8mn-power.h -- 2.25.1
