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@xxxxxx>
---
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
