Messages in this thread Patch in this message | | | From | Guodong Xu <> | Subject | [PATCH v2 1/4] dt-bindings: k3dma: add optional property hisilicon,dma-min-chan | Date | Fri, 6 Jul 2018 11:55:18 +0800 |
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From: Li Yu <liyu65@hisilicon.com>
Add optional property hisilicon,dma-min-chan for k3dma.
Signed-off-by: Li Yu <liyu65@hisilicon.com> Signed-off-by: Guodong Xu <guodong.xu@linaro.org> --- Documentation/devicetree/bindings/dma/k3dma.txt | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/dma/k3dma.txt b/Documentation/devicetree/bindings/dma/k3dma.txt index 4945aeac4dc4..f34202a80f3c 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: +- hisilicon,dma-min-chan: the minimum DMA channel number which is usable + Default value is 0, but in some platform it is + configured 1, like in hi3660 platform + Example: Controller: @@ -21,6 +26,7 @@ Controller: #dma-cells = <1>; dma-channels = <16>; dma-requests = <27>; + hisilicon,dma-min-chan = <1>; interrupts = <0 12 4>; clocks = <&pclk>; }; -- 2.17.1
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