Thread (16 messages) 16 messages, 5 authors, 2022-08-24
STALE1433d REVIEWED: 1 (0M)
Revisions (3)
  1. v1 [diff vs current]
  2. v2 current
  3. v3 [diff vs current]

[PATCH V2 3/7] dt-bindings: i2c: i2c-imx-lpi2c: add dmas property

From: Peng Fan (OSS) <hidden>
Date: 2022-08-16 12:54:25
Also in: linux-arm-kernel, linux-i2c, lkml
Subsystem: freescale imx lpi2c driver, i2c subsystem host drivers, open firmware and flattened device tree bindings, the rest · Maintainers: Dong Aisheng, Andi Shyti, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds

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

i.MX LPI2C has dma capability, so add dmas property

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Krzysztof Kozlowski <redacted>
---
 .../devicetree/bindings/i2c/i2c-imx-lpi2c.yaml         | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff --git a/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml b/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml
index e42e35003eae..08b81d57d7e1 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml
@@ -44,6 +44,16 @@ properties:
   clocks:
     maxItems: 2
 
+  dmas:
+    items:
+      - description: DMA controller phandle and request line for TX
+      - description: DMA controller phandle and request line for RX
+
+  dma-names:
+    items:
+      - const: tx
+      - const: rx
+
   power-domains:
     maxItems: 1
 
-- 
2.37.1
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