arm64: dts: renesas: r8a779f0: spider: Enable PCIe Host ch0

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Enable PCIe Host controller channel 0 on R-Car S4-8 Spider board.

Since this board has an Oculink connector, CLKREQ# pin of PFC for PCIe
should not be used. So, using a GPIO is used to output the clock instead.
Otherwise the controller cannot detect a PCIe device.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230905012404.2915246-3-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

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Yoshihiro Shimoda 2023-09-05 10:24:04 +09:00 • committed by Geert Uytterhoeven

parent 183a709d37

commit c588e1c984

1 changed files with 24 additions and 0 deletions

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arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi

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