linux-kernel - [PATCH 1/2] dt-bindings: dma: allwinner,sun50i-a64-dma: Add R40 compatible

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Message-Id: <20200825100030.1145356-2-jernej.skrabec@siol.net>
Date:   Tue, 25 Aug 2020 12:00:29 +0200
From:   Jernej Skrabec <jernej.skrabec@...l.net>
To:     robh+dt@...nel.org, mripard@...nel.org, wens@...e.org
Cc:     vkoul@...nel.org, dmaengine@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: [PATCH 1/2] dt-bindings: dma: allwinner,sun50i-a64-dma: Add R40 compatible

R40 has DMA engine which is basically the same as that in A64, with only
known difference being number of request sources and number of channels.

Add compatible for it.

Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>
---
 .../bindings/dma/allwinner,sun50i-a64-dma.yaml           | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/dma/allwinner,sun50i-a64-dma.yaml b/Documentation/devicetree/bindings/dma/allwinner,sun50i-a64-dma.yaml
index 9e53472be194..372679dbd216 100644
--- a/Documentation/devicetree/bindings/dma/allwinner,sun50i-a64-dma.yaml
+++ b/Documentation/devicetree/bindings/dma/allwinner,sun50i-a64-dma.yaml
@@ -19,9 +19,12 @@ properties:
     description: The cell is the request line number.
 
   compatible:
-    enum:
-      - allwinner,sun50i-a64-dma
-      - allwinner,sun50i-h6-dma
+    oneOf:
+      - const: allwinner,sun50i-a64-dma
+      - const: allwinner,sun50i-h6-dma
+      - items:
+          - const: allwinner,sun8i-r40-dma
+          - const: allwinner,sun50i-a64-dma
 
   reg:
     maxItems: 1
-- 
2.28.0