From: Serge Semin <Sergey.Semin@xxxxxxxxxxxxxxxxxxxx>
This array property is used to indicate the maximum burst transaction
length supported by each DMA channel.
Signed-off-by: Serge Semin <Sergey.Semin@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Alexey Malahov <Alexey.Malahov@xxxxxxxxxxxxxxxxxxxx>
Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
Cc: Paul Burton <paulburton@xxxxxxxxxx>
Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
---
.../devicetree/bindings/dma/snps,dma-spear1340.yaml | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/Documentation/devicetree/bindings/dma/snps,dma-spear1340.yaml b/Documentation/devicetree/bindings/dma/snps,dma-spear1340.yaml
index d7f9383ceb8f..308ec6482064 100644
--- a/Documentation/devicetree/bindings/dma/snps,dma-spear1340.yaml
+++ b/Documentation/devicetree/bindings/dma/snps,dma-spear1340.yaml
@@ -126,6 +126,18 @@ properties:
enum: [0, 1]
default: 0
+ snps,max-burst-len:
+ description: |
+ Maximum length of burst transactions supported by hardware.
+ It's an array property with one cell per channel in units of
+ CTLx register SRC_TR_WIDTH/DST_TR_WIDTH field.
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32-array
+ - maxItems: 8
+ items:
+ enum: [4, 8, 16, 32, 64, 128, 256]
+ default: 0
+
snps,dma-protection-control:
description: |
Bits one-to-one passed to the AHB HPROT[3:1] bus. Each bit setting
--
2.25.1
