linux-kernel - [PATCH] dt-bindings: dma: snps,dw-axi-dmac: Document optional reset

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Date:   Thu, 25 Nov 2021 16:20:08 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>,
        Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Heng Sia <jee.heng.sia@...el.com>,
        Damien Le Moal <damien.lemoal@....com>
Cc:     dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [PATCH] dt-bindings: dma: snps,dw-axi-dmac: Document optional reset

"make dtbs_check":

    Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml
    arch/riscv/boot/dts/canaan/sipeed_maix_bit.dt.yaml: dma-controller@...00000: 'resets' does not match any of the regexes: 'pinctrl-[0-9]+'
	    From schema: Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml

The Synopsys DesignWare AXI DMA Controller on the Canaan K210 SoC
exposes its reset signal.

Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
---
 Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml
index 90d9274e5464e396..06ddffaada295171 100644
--- a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml
+++ b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml
@@ -53,6 +53,9 @@ properties:
     minimum: 1
     maximum: 8
 
+  resets:
+    maxItems: 1
+
   snps,dma-masters:
     description: |
       Number of AXI masters supported by the hardware.
-- 
2.25.1