linux-kernel - [PATCH v2 4/7] dt-bindings: dma: allwinner,sun50i-a64-dma: Add compatible for H616

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Date: Sun, 28 Jan 2024 00:32:44 +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 v2 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 A100. 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 A100 one.

Signed-off-by: Chen-Yu Tsai <wens@...e.org>
---
Changes since v1:
- Switch to "contains" for if-properties statement
- Fall back to A100 instead of H6

 .../bindings/dma/allwinner,sun50i-a64-dma.yaml       | 12 ++++++++----
 1 file changed, 8 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..0f2501f72cca 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-a100-dma
 
   reg:
     maxItems: 1
@@ -59,10 +62,11 @@ required:
 if:
   properties:
     compatible:
-      enum:
-        - allwinner,sun20i-d1-dma
-        - allwinner,sun50i-a100-dma
-        - allwinner,sun50i-h6-dma
+      contains:
+        enum:
+          - allwinner,sun20i-d1-dma
+          - allwinner,sun50i-a100-dma
+          - allwinner,sun50i-h6-dma
 
 then:
   properties:
-- 
2.39.2