Re: [PATCH 07/18] MIPS: DTS: jz4780: fix otg node as reported by dtbscheck

From: H. Nikolaus Schaller
Date: Sat Apr 09 2022 - 09:05:46 EST




> Am 09.04.2022 um 13:15 schrieb Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>:
>
> On 08/04/2022 20:37, H. Nikolaus Schaller wrote:
>> arch/mips/boot/dts/ingenic/ci20.dtb: usb@13500000: compatible: 'oneOf' conditional failed, one must be fixed:
>> ['ingenic,jz4780-otg', 'snps,dwc2'] is too long
>> ['ingenic,jz4780-otg', 'snps,dwc2'] is too short
>> 'brcm,bcm2835-usb' was expected
>> 'hisilicon,hi6220-usb' was expected
>> 'rockchip,rk3066-usb' was expected
>> 'ingenic,jz4780-otg' is not one of ['rockchip,px30-usb', 'rockchip,rk3036-usb', 'rockchip,rk3188-usb', 'rockchip,rk3228-usb', 'rockchip,rk3288-usb', 'rockchip,rk3308-usb', 'rockchip,rk3328-usb', 'rockchip,rk3368-usb', 'rockchip,rv1108-usb']
>> 'lantiq,arx100-usb' was expected
>> 'lantiq,xrx200-usb' was expected
>> 'ingenic,jz4780-otg' is not one of ['amlogic,meson8-usb', 'amlogic,meson8b-usb', 'amlogic,meson-gxbb-usb', 'amlogic,meson-g12a-usb', 'intel,socfpga-agilex-hsotg']
>> 'amcc,dwc-otg' was expected
>> 'apm,apm82181-dwc-otg' was expected
>> 'snps,dwc2' was expected
>> 'st,stm32f4x9-fsotg' was expected
>> 'st,stm32f4x9-hsotg' was expected
>> 'st,stm32f7-hsotg' was expected
>> 'st,stm32mp15-fsotg' was expected
>> 'st,stm32mp15-hsotg' was expected
>> 'samsung,s3c6400-hsotg' was expected
>> 'intel,socfpga-agilex-hsotg' was expected
>
> You really don't need to paste entire warning.
>
>
>> From schema: Documentation/devicetree/bindings/usb/dwc2.yaml
>>
>> Signed-off-by: H. Nikolaus Schaller <hns@xxxxxxxxxxxxx>
>> ---
>> arch/mips/boot/dts/ingenic/jz4780.dtsi | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/mips/boot/dts/ingenic/jz4780.dtsi b/arch/mips/boot/dts/ingenic/jz4780.dtsi
>> index 2021836983c96..c5124459678b7 100644
>> --- a/arch/mips/boot/dts/ingenic/jz4780.dtsi
>> +++ b/arch/mips/boot/dts/ingenic/jz4780.dtsi
>> @@ -576,7 +576,7 @@ bch: bch@134d0000 {
>> };
>>
>> otg: usb@13500000 {
>> - compatible = "ingenic,jz4780-otg", "snps,dwc2";
>> + compatible = "snps,dwc2";
>
> This looks wrong, the block usually should have a specific compatible.
> Please mention why it does not.

Well, I did not even have that idea that it could need an explanation.

There is no "ingenic,jz4780-otg" and none is needed here to make it work.

Therefore the generic "snps,dwc2" is sufficient.