Re: [PATCH v3 3/8] dt-bindings: Add bindings for Tegra234 NVDEC
From: Rob Herring
Date: Mon Oct 03 2022 - 12:17:06 EST
On Tue, 20 Sep 2022 11:11:58 +0300, Mikko Perttunen wrote:
> From: Mikko Perttunen <mperttunen@xxxxxxxxxx>
> Update NVDEC bindings for Tegra234. This new engine version only has
> two memory clients, but now requires three clocks, and as a bigger
> change the engine loads firmware from a secure carveout configured by
> the bootloader.
> For the latter, we need to add a phandle to the memory controller
> to query the location of this carveout, and several other properties
> containing offsets into the firmware inside the carveout. This
> carveout is not accessible by the CPU, but is needed by NVDEC,
> so we need this information to be relayed from the bootloader.
> As the binding was getting large with many conditional properties,
> also split the Tegra234 version out into a separate file.
> Signed-off-by: Mikko Perttunen <mperttunen@xxxxxxxxxx>
> - Adjusted descriptions for firmware-related DT properties
> as requested.
> - Small update to commit message.
> - Split out into separate file to avoid complexity with
> conditionals etc.
> .../gpu/host1x/nvidia,tegra234-nvdec.yaml | 156 ++++++++++++++++++
> 1 file changed, 156 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra234-nvdec.yaml
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>