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Date: Thu, 21 Feb 2019 13:34:40 +0800 From: Baolin Wang <baolin.wang@...aro.org> To: vkoul@...nel.org, robh+dt@...nel.org, mark.rutland@....com, arnd@...db.de Cc: orsonzhai@...il.com, zhang.lyra@...il.com, dan.j.williams@...el.com, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org, eric.long@...soc.com, broonie@...nel.org, baolin.wang@...aro.org Subject: [PATCH v2 1/2] dt-bindings: dmaengine: sprd: Change channel id to slave id for DMA cell specifier For Spreadtrum DMA engine, all channels are equal, which means slave can request any channels with setting a unique slave id to trigger this channel. Thus we can remove the channel id from device tree to assign the channel dynamically, moreover we should add the slave id in device tree. Signed-off-by: Baolin Wang <baolin.wang@...aro.org> --- Changes from v1: - Remove channel id from DT. --- Documentation/devicetree/bindings/dma/sprd-dma.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/dma/sprd-dma.txt b/Documentation/devicetree/bindings/dma/sprd-dma.txt index 7a10fea..adccea994 100644 --- a/Documentation/devicetree/bindings/dma/sprd-dma.txt +++ b/Documentation/devicetree/bindings/dma/sprd-dma.txt @@ -31,7 +31,7 @@ DMA clients connected to the Spreadtrum DMA controller must use the format described in the dma.txt file, using a two-cell specifier for each channel. The two cells in order are: 1. A phandle pointing to the DMA controller. -2. The channel id. +2. The slave id. spi0: spi@...00000{ ... -- 1.7.9.5
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