arm64: dts: rockchip: Use GPIO function for PCIe reset on Orange Pi 5 Pro

The PERST# pins of pcie2x1l1 and pcie2x1l2 are used as reset-gpios,
but the default pinctrl state muxes them to the controllers' dedicated
PERST# function instead of GPIO.

Linux happens to work because the pin is switched to GPIO function
when it is requested as a GPIO, but the devicetree should describe the
pin function the board actually uses. Bootloaders such as U-Boot apply
the pinctrl state as described and do not change the function when the
GPIO is requested, and probing pcie2x1l2 then hangs.

Add GPIO pinctrl nodes for both reset pins and use them in place of
the PERST# function, like other RK3588 boards do.

Fixes: f47af8ebbe53 ("arm64: dts: rockchip: Add Orange Pi 5 Pro board support")
Signed-off-by: Dennis Gilmore <dennis@ausil.us>
Link: https://patch.msgid.link/20261002025746.3284691-1-dennis@ausil.us
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

0 files changed, 0 insertions, 0 deletions