Am 01.11.24 um 15:16 schrieb Josua Mayer: > SolidRun HummingBoard-T has two options for M.2 connector, supporting > either PCI-E or USB-3.1 Gen 1 - depending on configuration of a mux > on the serdes lane. > The required configurations in device-tree were modeled as overlays. > > The USB-3.1 overlay uses /delete-property/ to unset a boolean property > on the usb controller limiting it to USB-2.0 by default. > Overlays can not delete a property from the base dtb, therefore this > overlay is at this time useless. > > Convert both overlays into full dts by including the base board dts. > While the pcie overlay was functional, both are converted for a > consistent user experience when selecting between the two mutually > exclusive configurations. > > Reported-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> > Closes: https://lore.kernel.org/linux-devicetree/CAMuHMdXTgpTnJ9U7egC2XjFXXNZ5uiY1O+WxNd6LPJW5Rs5KTw@xxxxxxxxxxxxxx > Fixes: bbef42084cc1 ("arm64: dts: ti: hummingboard-t: add overlays for m.2 pci-e and usb-3") > Signed-off-by: Josua Mayer <josua@xxxxxxxxxxxxx> > --- > arch/arm64/boot/dts/ti/Makefile | 4 ---- > ...gboard-t-pcie.dtso => k3-am642-hummingboard-t-pcie.dts} | 14 ++++++++------ > ...gboard-t-usb3.dtso => k3-am642-hummingboard-t-usb3.dts} | 13 ++++++++----- > 3 files changed, 16 insertions(+), 15 deletions(-) > Please hold off on this patch for the moment, Thanks to some comments from Geert I wish to submit an alternative solution via separate patch-set, for further discussion.
