Messages in this thread Patch in this message | | | From | Peter Ujfalusi <> | Subject | [PATCH 4/5] dt-bindings: dma: ti-edma: Add option for reserved channel ranges | Date | Fri, 23 Aug 2019 15:56:17 +0300 |
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Similarly to paRAM slots, channels can be used by other cores.
Add optional property to configure the reserved channel ranges.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> --- Documentation/devicetree/bindings/dma/ti-edma.txt | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/dma/ti-edma.txt b/Documentation/devicetree/bindings/dma/ti-edma.txt index 4bbc94d829c8..1198682ada99 100644 --- a/Documentation/devicetree/bindings/dma/ti-edma.txt +++ b/Documentation/devicetree/bindings/dma/ti-edma.txt @@ -42,6 +42,9 @@ Optional properties: - ti,edma-reserved-slot-ranges: PaRAM slot ranges which should not be used by the driver, they are allocated to be used by for example the DSP. See example. +- ti,edma-reserved-chan-ranges: channel ranges which should not be used by + the driver, they are allocated to be used by for example the + DSP. See example. ------------------------------------------------------------------------------ eDMA3 Transfer Controller @@ -91,6 +94,8 @@ edma: edma@49000000 { ti,edma-memcpy-channels = <20 21>; /* The following PaRAM slots are reserved: 35-44 and 100-109 */ ti,edma-reserved-slot-ranges = <35 10>, <100 10>; + /* The following channels are reserved: 35-44 */ + ti,edma-reserved-chan-ranges = <35 10>; }; edma_tptc0: tptc@49800000 { -- Peter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
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