From: Jisheng Zhang <jszhang@kernel.org>
To: Mark Brown <broonie@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: linux-spi@vger.kernel.org, devicetree@vger.kernel.org,
"Nuno Sá" <nuno.sa@analog.com>, "Fei Xie" <fei.xie@horizon.auto>
Subject: [PATCH 1/3] spi: dt-bindings: cdns,xspi: Add DMA properties
Date: Sat, 7 Nov 2026 15:20:42 +0800 [thread overview]
Message-ID: <20261107072044.17574-2-jszhang@kernel.org> (raw)
In-Reply-To: <20261107072044.17574-1-jszhang@kernel.org>
Add dmas and dma-names to describe DMA memcpy channel for the candence
XSPI controller.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
---
.../devicetree/bindings/spi/cdns,xspi.yaml | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/Documentation/devicetree/bindings/spi/cdns,xspi.yaml b/Documentation/devicetree/bindings/spi/cdns,xspi.yaml
index 38a5795589de..b19c2e051e18 100644
--- a/Documentation/devicetree/bindings/spi/cdns,xspi.yaml
+++ b/Documentation/devicetree/bindings/spi/cdns,xspi.yaml
@@ -40,6 +40,19 @@ properties:
interrupts:
maxItems: 1
+ dmas:
+ maxItems: 1
+ description: |
+ Optional DMA memcpy channel for transfers between memory and the Slave
+ DMA data port. The channel is shared by reads and writes.
+
+ dma-names:
+ const: memcpy
+
+dependencies:
+ dmas: [dma-names]
+ dma-names: [dmas]
+
required:
- compatible
- reg
--
2.55.0
next prev parent reply other threads:[~2026-11-07 7:40 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-07 7:20 [PATCH 0/3] spi: cadence-xspi: add DMA support Jisheng Zhang
2026-11-07 7:20 ` Jisheng Zhang [this message]
2026-11-07 7:20 ` [PATCH 2/3] spi: cadence-xspi: Support dmaengine for sdma io copy Jisheng Zhang
2026-11-07 7:20 ` [PATCH 3/3] spi: cadence-xspi: Use writel_relaxed() for cmd regs Jisheng Zhang
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