[RFC PATCH] arm64: dts: rockchip: Fix microSD card detect for Radxa ROCK 5 ITX

[Heiko Stübner]

Hi,

Am Montag, 10. November 2025, 04:16:37 Mitteleuropäische Normalzeit schrieb FUKAUMI Naoki:
> On 11/10/25 12:00, FUKAUMI Naoki wrote:
> > Due to the discussion about cd-gpios and sdmmmc_det pin
> > functionality[1], it would be better to use cd-gpios for now.
> > 
> > [1] https://lore.kernel.org/linux-rockchip/20240912152538.1.I858c2a0bf83606c8b59ba1ab6944978a398d2ac5@changeid/T/#u
> > 
> > Fixes: 31390eb8ffbf2 ("arm64: dts: rockchip: add ROCK 5 ITX board")
> > Signed-off-by: FUKAUMI Naoki <naoki at radxa.com>
> > ---
> >   arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts | 9 ++++++++-
> >   1 file changed, 8 insertions(+), 1 deletion(-)
> > 
> > diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts
> > index bc8140883de47..391c6482e8ee3 100644
> > --- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts
> > +++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts
> > @@ -670,6 +670,12 @@ led_pins: led-pins {
> >   		};
> >   	};
> >   
> > +	mmc {
> > +		sdmmc_det_gpio: sdmmc-det-gpio {
> > +			rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
> > +		};
> > +	};
> > +
> 
> I got following error:
> 
> $ make CHECK_DTBS=y rockchip/rk3588-rock-5-itx.dtb
>    UPD     include/config/kernel.release
>    DTC [C] arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dtb
> /home/radxa/linux/arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dtb: 
> mmc: sdmmc-det-gpio: {'rockchip,pins': [[0, 4, 0, 270]], 'phandle': 145} 
> is not of type 'array'
> 	from schema $id: http://devicetree.org/schemas/gpio/gpio-consumer.yaml#
> 
> What's wrong?

the problem is the "-gpio" in the pinctrl node-name,which triggers
a pattern matching against a normal gpios property.

So ideally rename sdmmc-det-gpio to sdmmc-det-pin or so.


Hope that helps
Heiko