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[v5,01/12] dt-bindings: dma: pl08x: Add dma-cells description

Message ID 20240627150046.258795-2-piotr.wojtaszczyk@timesys.com (mailing list archive)
State New, archived
Headers show
Series Add audio support for LPC32XX CPUs | expand

Commit Message

Piotr Wojtaszczyk June 27, 2024, 3 p.m. UTC 
Recover dma-cells description from the legacy DT binding.

Signed-off-by: Piotr Wojtaszczyk <piotr.wojtaszczyk@timesys.com>
Fixes: 6f64aa5746d2 ("dt-bindings: dma: convert arm-pl08x to yaml")
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
Changes for v4:
- This patch is new in v4

 Documentation/devicetree/bindings/dma/arm-pl08x.yaml | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/dma/arm-pl08x.yaml b/Documentation/devicetree/bindings/dma/arm-pl08x.yaml
index ab25ae63d2c3..191215d36c85 100644
--- a/Documentation/devicetree/bindings/dma/arm-pl08x.yaml
+++ b/Documentation/devicetree/bindings/dma/arm-pl08x.yaml
@@ -52,6 +52,13 @@  properties:
   clock-names:
     maxItems: 1
 
+  "#dma-cells":
+    const: 2
+    description: |
+      First cell should contain the DMA request,
+      second cell should contain either 1 or 2 depending on
+      which AHB master that is used.
+
   lli-bus-interface-ahb1:
     type: boolean
     description: if AHB master 1 is eligible for fetching LLIs