Message ID | 20221020083322.36431-2-akhilrajeev@nvidia.com |
---|---|
State | Changes Requested |
Headers | show |
Series | Tegra GCPDMA: Add dma-channel-mask support | expand |
On 20/10/2022 04:33, Akhil R wrote: > Add dma-channel-mask property in Tegra GPCDMA document. > > The property would help to specify the channels to be used in > kernel and reserve few for the firmware. This was previously > achieved by limiting the channel number to 31 in the driver. > Now since we can list all 32 channels, update the interrupts > property as well to list all 32 interrupts. > > Signed-off-by: Akhil R <akhilrajeev@nvidia.com> > Acked-by: Thierry Reding <treding@nvidia.com> > --- Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Best regards, Krzysztof
diff --git a/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml index c8894476b6ab..851bd50ee67f 100644 --- a/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml +++ b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml @@ -39,7 +39,7 @@ properties: Should contain all of the per-channel DMA interrupts in ascending order with respect to the DMA channel index. minItems: 1 - maxItems: 31 + maxItems: 32 resets: maxItems: 1 @@ -52,6 +52,9 @@ properties: dma-coherent: true + dma-channel-mask: + maxItems: 1 + required: - compatible - reg @@ -60,6 +63,7 @@ required: - reset-names - "#dma-cells" - iommus + - dma-channel-mask additionalProperties: false @@ -108,5 +112,6 @@ examples: #dma-cells = <1>; iommus = <&smmu TEGRA186_SID_GPCDMA_0>; dma-coherent; + dma-channel-mask = <0xfffffffe>; }; ...