On Wed, Aug 11, 2021 at 01:50:28PM +0300, Mikko Perttunen wrote: > Add YAML device tree bindings for NVDEC, now in a more appropriate > place compared to the old textual Host1x bindings. > > Signed-off-by: Mikko Perttunen <mperttunen@xxxxxxxxxx> > --- > v3: > * Drop host1x bindings > * Change read2 to read-1 in interconnect names > v2: > * Fix issues pointed out in v1 > * Add T194 nvidia,instance property > --- > .../gpu/host1x/nvidia,tegra210-nvdec.yaml | 109 ++++++++++++++++++ > MAINTAINERS | 1 + > 2 files changed, 110 insertions(+) > create mode 100644 Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra210-nvdec.yaml > > diff --git a/Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra210-nvdec.yaml b/Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra210-nvdec.yaml > new file mode 100644 > index 000000000000..571849625da8 > --- /dev/null > +++ b/Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra210-nvdec.yaml > @@ -0,0 +1,109 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: "http://devicetree.org/schemas/gpu/host1x/nvidia,tegra210-nvdec.yaml#"; > +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; > + > +title: Device tree binding for NVIDIA Tegra NVDEC > + > +description: | > + NVDEC is the hardware video decoder present on NVIDIA Tegra210 > + and newer chips. It is located on the Host1x bus and typically > + programmed through Host1x channels. > + > +maintainers: > + - Thierry Reding <treding@xxxxxxxxx> > + - Mikko Perttunen <mperttunen@xxxxxxxxxx> > + > +properties: > + $nodename: > + pattern: "^nvdec@[0-9a-f]*$" > + > + compatible: > + enum: > + - nvidia,tegra210-nvdec > + - nvidia,tegra186-nvdec > + - nvidia,tegra194-nvdec > + > + reg: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > + clock-names: > + items: > + - const: nvdec > + > + resets: > + maxItems: 1 > + > + reset-names: > + items: > + - const: nvdec > + > + power-domains: > + maxItems: 1 > + > + iommus: > + maxItems: 1 > + > + interconnects: > + items: > + - description: DMA read memory client > + - description: DMA read 2 memory client > + - description: DMA write memory client > + > + interconnect-names: > + items: > + - const: dma-mem > + - const: read-1 > + - const: write > + > +required: > + - compatible > + - reg > + - clocks > + - clock-names > + - resets > + - reset-names > + - power-domains > + > +if: > + properties: > + compatible: > + contains: > + const: nvidia,tegra194-host1x host1x? This will never be true as the schema is only applied to nodes with the nvdec compatible. > +then: > + properties: > + nvidia,instance: > + items: > + - description: 0 for NVDEC0, or 1 for NVDEC1 What's this for? We generally don't do indices in DT. > + > +additionalProperties: true This should be false or 'unevaluatedProperties: false' Rob
