On Wed, May 24, 2023 at 05:44:38PM +0800, zhuyinbo wrote: > > > 在 2023/5/24 下午4:56, Conor Dooley 写道: > > On Mon, May 22, 2023 at 03:10:29PM +0800, Yinbo Zhu wrote: > > > Add the Loongson platform spi binding with DT schema format using > > > json-schema. > > > > > > Signed-off-by: Yinbo Zhu <zhuyinbo@xxxxxxxxxxx> > > > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> > > > --- > > > .../bindings/spi/loongson,ls2k-spi.yaml | 41 +++++++++++++++++++ > > > MAINTAINERS | 6 +++ > > > 2 files changed, 47 insertions(+) > > > create mode 100644 Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml > > > > > > diff --git a/Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml b/Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml > > > new file mode 100644 > > > index 000000000000..d0be6e5378d7 > > > --- /dev/null > > > +++ b/Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml > > > @@ -0,0 +1,41 @@ > > > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > > > +%YAML 1.2 > > > +--- > > > +$id: http://devicetree.org/schemas/spi/loongson,ls2k-spi.yaml# > > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > > + > > > +title: Loongson SPI controller > > > + > > > +maintainers: > > > + - Yinbo Zhu <zhuyinbo@xxxxxxxxxxx> > > > + > > > +allOf: > > > + - $ref: /schemas/spi/spi-controller.yaml# > > > + > > > +properties: > > > + compatible: > > > + enum: > > > + - loongson,ls2k-spi > > > > I am sorry to jump in here at such a late stage with a (potentially) > > trivial question. "ls2k" is the SoC family rather than a specific model > > as far as I understand. > > The answer is probably yes, but do all SoCs in the family have an > > identical version of the IP? > > > No, but the spi supported by this loongson spi driver are all the same > identical version, and other type or verion spi will be supported as > needed in the future. Does having a catch-all compatible make sense then when not all SoCs in the ls2k family will actually be able to use this driver? Or am I misunderstanding and all ls2k SoCs do work with this driver and you were talking about other, future products?
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