linux-kernel - [PATCH 1/2] dt-bindings: lpspi: add dmas property

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Date:   Fri, 12 Aug 2022 15:34:51 +0800
From:   "Peng Fan (OSS)" <peng.fan@....nxp.com>
To:     broonie@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, linux-spi@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     xiaoning.wang@....com, Peng Fan <peng.fan@....com>
Subject: [PATCH 1/2] dt-bindings: lpspi: add dmas property

From: Peng Fan <peng.fan@....com>

The LPSPI has dma capability, so add dma property.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 .../devicetree/bindings/spi/spi-fsl-lpspi.yaml         | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml
index 1d46877fe46a..f60b24a9a32d 100644
--- a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml
@@ -37,6 +37,16 @@ properties:
       - const: per
       - const: ipg
 
+  dmas:
+    items:
+      - description: TX DMA Channel
+      - description: RX DMA Channel
+
+  dma-names:
+    items:
+      - const: tx
+      - const: rx
+
   fsl,spi-only-use-cs1-sel:
     description:
       spi common code does not support use of CS signals discontinuously.
-- 
2.37.1