Messages in this thread |  | | Date | Thu, 5 Dec 2024 16:15:27 +0100 | | Subject | Re: [PATCH 1/2] dt-bindings: dma: Support channel page to nvidia,tegra210-adma | | From | Krzysztof Kozlowski <> |
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On 05/12/2024 15:58, Mohan Kumar D wrote: > Multiple ADMA Channel page hardware support has been added from > TEGRA186 and onwards. Update the DT binding to use any of the > ADMA channel page address space region. > > Signed-off-by: Mohan Kumar D <mkumard@nvidia.com> > --- > .../bindings/dma/nvidia,tegra210-adma.yaml | 19 ++++++++++++++++++- > 1 file changed, 18 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/dma/nvidia,tegra210-adma.yaml b/Documentation/devicetree/bindings/dma/nvidia,tegra210-adma.yaml > index 877147e95ecc..8c76c98560c5 100644 > --- a/Documentation/devicetree/bindings/dma/nvidia,tegra210-adma.yaml > +++ b/Documentation/devicetree/bindings/dma/nvidia,tegra210-adma.yaml > @@ -29,7 +29,24 @@ properties: > - const: nvidia,tegra186-adma > > reg: > - maxItems: 1 > + description: |
Do not need '|' unless you need to preserve formatting.
> + The 'page' region describes the address space of the page > + used for accessing the DMA channel registers. The 'global' > + region describes the address space of the global DMA registers. > + In the absence of the 'reg-names' property, there must be a > + single entry that covers the address space of the global DMA > + registers and the DMA channel registers.
Rather oneOf listing the items with description.
> + minItems: 1 > + maxItems: 2 > + > + reg-names: > + oneOf: > + - enum: > + - page > + - global
This is not correct. You said it covers both.
You also need allOf:if:then: block restricting it per each variant/device.
Best regards, Krzysztof
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