linux-kernel - [PATCH v2 1/3] dt-bindings: dma: snps,dw-axi-dmac: Add reset items

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Message-ID: <20230221140424.719-2-walker.chen@starfivetech.com>
Date:   Tue, 21 Feb 2023 22:04:22 +0800
From:   Walker Chen <walker.chen@...rfivetech.com>
To:     Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>,
        Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor@...nel.org>,
        "Palmer Dabbelt" <palmer@...belt.com>,
        Emil Renner Berthing <kernel@...il.dk>,
        "Emil Renner Berthing" <emil.renner.berthing@...onical.com>
CC:     <dmaengine@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-riscv@...ts.infradead.org>
Subject: [PATCH v2 1/3] dt-bindings: dma: snps,dw-axi-dmac: Add reset items

This DMA controller needs to be reset before being used on JH7110 SoC,
so add reset items to support this chip.

Signed-off-by: Walker Chen <walker.chen@...rfivetech.com>
---
 .../devicetree/bindings/dma/snps,dw-axi-dmac.yaml         | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml
index ad107a4d3b33..c2247c65a22f 100644
--- a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml
+++ b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml
@@ -20,6 +20,7 @@ properties:
     enum:
       - snps,axi-dma-1.01a
       - intel,kmb-axi-dma
+      - starfive,jh7110-axi-dma
 
   reg:
     minItems: 1
@@ -58,7 +59,12 @@ properties:
     maximum: 8
 
   resets:
-    maxItems: 1
+    maxItems: 2
+
+  reset-names:
+    items:
+      - const: axi
+      - const: ahb
 
   snps,dma-masters:
     description: |
-- 
2.17.1