linux-kernel - [PATCH 4/7] dt-bindings: dma: allwinner,sun50i-a64-dma: Add compatible for H616

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Date: Tue, 23 Jan 2024 01:05:15 +0800
From: Chen-Yu Tsai <wens@...nel.org>
To: Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Samuel Holland <samuel@...lland.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	Vinod Koul <vkoul@...nel.org>
Cc: Chen-Yu Tsai <wens@...e.org>,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-sunxi@...ts.linux.dev,
	linux-sound@...r.kernel.org,
	dmaengine@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 4/7] dt-bindings: dma: allwinner,sun50i-a64-dma: Add compatible for H616

From: Chen-Yu Tsai <wens@...e.org>

The DMA controllers found on the H616 and H618 are the same as the one
found on the H6. The only difference is the DMA endpoint (DRQ) layout.

Since the number of channels and endpoints are described with additional
generic properties, just add a new H616-specific compatible string and
fallback to the H6 one.

Signed-off-by: Chen-Yu Tsai <wens@...e.org>
---
 .../bindings/dma/allwinner,sun50i-a64-dma.yaml    | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/dma/allwinner,sun50i-a64-dma.yaml b/Documentation/devicetree/bindings/dma/allwinner,sun50i-a64-dma.yaml
index ec2d7a789ffe..e5693be378bd 100644
--- a/Documentation/devicetree/bindings/dma/allwinner,sun50i-a64-dma.yaml
+++ b/Documentation/devicetree/bindings/dma/allwinner,sun50i-a64-dma.yaml
@@ -28,6 +28,9 @@ properties:
       - items:
           - const: allwinner,sun8i-r40-dma
           - const: allwinner,sun50i-a64-dma
+      - items:
+          - const: allwinner,sun50i-h616-dma
+          - const: allwinner,sun50i-h6-dma
 
   reg:
     maxItems: 1
@@ -59,10 +62,14 @@ required:
 if:
   properties:
     compatible:
-      enum:
-        - allwinner,sun20i-d1-dma
-        - allwinner,sun50i-a100-dma
-        - allwinner,sun50i-h6-dma
+      oneOf:
+        - enum:
+            - allwinner,sun20i-d1-dma
+            - allwinner,sun50i-a100-dma
+            - allwinner,sun50i-h6-dma
+        - items:
+            - const: allwinner,sun50i-h616-dma
+            - const: allwinner,sun50i-h6-dma
 
 then:
   properties:
-- 
2.39.2