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[1/3] dt-bindings: k3dma: add optional property dma_min_chan

Message ID 20180622032416.20133-2-guodong.xu@linaro.org
State Superseded
Headers show
Series [1/3] dt-bindings: k3dma: add optional property dma_min_chan | expand

Commit Message

Guodong Xu June 22, 2018, 3:24 a.m. UTC 
From: Li Yu <liyu65@hisilicon.com>


Add optional property dma_min_chan for k3dma.

Signed-off-by: Li Yu <liyu65@hisilicon.com>

---
 Documentation/devicetree/bindings/dma/k3dma.txt | 6 ++++++
 1 file changed, 6 insertions(+)

-- 
2.17.1
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Patch

diff --git a/Documentation/devicetree/bindings/dma/k3dma.txt b/Documentation/devicetree/bindings/dma/k3dma.txt
index 4945aeac4dc4..2fa1370c3173 100644
--- a/Documentation/devicetree/bindings/dma/k3dma.txt
+++ b/Documentation/devicetree/bindings/dma/k3dma.txt
@@ -12,6 +12,11 @@  Required properties:
 		have specific request line
 - clocks: clock required
 
+Optional properties:
+- dma_min_chan: the minimum number of DMA channel which begin to use
+		the default value is 0, but in some platform is
+		configured 1, like hi3660 platform
+
 Example:
 
 Controller:
@@ -21,6 +26,7 @@  Controller:
 			#dma-cells = <1>;
 			dma-channels = <16>;
 			dma-requests = <27>;
+			dma_min_chan = <1>;
 			interrupts = <0 12 4>;
 			clocks = <&pclk>;
 		};