[PATCH v1 2/3] dt-bindings: dma: sf-pdma: add new compatible name

shravan chippa
2023-09-22T09:50:21Z

From: Shravan Chippa <shravan.chippa@microchip.com>

add new compatible name microchip,mpfs-pdma to support out of order dma
transfers this will improve the dma throughput for mem-to-mem transfer

Signed-off-by: Shravan Chippa <shravan.chippa@microchip.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
---
.../bindings/dma/sifive,fu540-c000-pdma.yaml | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/dma/sifive,fu540-c000-pdma.yaml b/Documentation/devicetree/bindings/dma/sifive,fu540-c000-pdma.yaml
index a1af0b906365..974467c4bacb 100644
--- a/Documentation/devicetree/bindings/dma/sifive,fu540-c000-pdma.yaml
+++ b/Documentation/devicetree/bindings/dma/sifive,fu540-c000-pdma.yaml
@@ -27,10 +27,14 @@ allOf:

properties:
compatible:
- items:
- - enum:
- - sifive,fu540-c000-pdma
- - const: sifive,pdma0
+ oneOf:
+ - items:
+ - const: microchip,mpfs-pdma # Microchip out of order DMA transfer
+ - const: sifive,fu540-c000-pdma # Sifive in-order DMA transfer
+ - items:
+ - enum:
+ - sifive,fu540-c000-pdma
+ - const: sifive,pdma0
description:
Should be "sifive,<chip>-pdma" and "sifive,pdma<version>".
Supported compatible strings are -
--
2.34.1