modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
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@@ -11,9 +11,16 @@
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 Xilinx AXI CDMA engine, it does transfers between memory-mapped source
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 address and a memory-mapped destination address.
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+Xilinx AXI MCDMA engine, it does transfer between memory and AXI4 stream
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+target devices. It can be configured to have up to 16 independent transmit
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+and receive channels.
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+
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 Required properties:
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-- compatible: Should be "xlnx,axi-vdma-1.00.a" or "xlnx,axi-dma-1.00.a" or
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-	      "xlnx,axi-cdma-1.00.a""
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+- compatible: Should be one of-
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+		"xlnx,axi-vdma-1.00.a"
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+		"xlnx,axi-dma-1.00.a"
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+		"xlnx,axi-cdma-1.00.a"
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+		"xlnx,axi-mcdma-1.00.a"
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 - #dma-cells: Should be <1>, see "dmas" property below
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 - reg: Should contain VDMA registers location and length.
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 - xlnx,addrwidth: Should be the vdma addressing size in bits(ex: 32 bits).
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@@ -29,7 +36,7 @@
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 			   "m_axis_mm2s_aclk", "s_axis_s2mm_aclk"
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 	For CDMA:
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 	Required elements: "s_axi_lite_aclk", "m_axi_aclk"
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-	FOR AXIDMA:
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+	For AXIDMA and MCDMA:
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 	Required elements: "s_axi_lite_aclk"
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 	Optional elements: "m_axi_mm2s_aclk", "m_axi_s2mm_aclk",
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 			   "m_axi_sg_aclk"
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 Required properties for VDMA:
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 - xlnx,num-fstores: Should be the number of framebuffers as configured in h/w.
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-Optional properties:
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-- xlnx,include-sg: Tells configured for Scatter-mode in
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-	the hardware.
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-Optional properties for AXI DMA:
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-- xlnx,mcdma: Tells whether configured for multi-channel mode in the hardware.
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+Optional properties for AXI DMA and MCDMA:
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+- xlnx,sg-length-width: Should be set to the width in bits of the length
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+	register as configured in h/w. Takes values {8...26}. If the property
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+	is missing or invalid then the default value 23 is used. This is the
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+	maximum value that is supported by all IP versions.
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 Optional properties for VDMA:
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 - xlnx,flush-fsync: Tells which channel to Flush on Frame sync.
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 	It takes following values:
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@@ -54,8 +61,8 @@
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 	For VDMA: It should be either "xlnx,axi-vdma-mm2s-channel" or
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 	"xlnx,axi-vdma-s2mm-channel".
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 	For CDMA: It should be "xlnx,axi-cdma-channel".
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-	For AXIDMA: It should be either "xlnx,axi-dma-mm2s-channel" or
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-	"xlnx,axi-dma-s2mm-channel".
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+	For AXIDMA and MCDMA: It should be either "xlnx,axi-dma-mm2s-channel"
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+	or "xlnx,axi-dma-s2mm-channel".
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 - interrupts: Should contain per channel VDMA interrupts.
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 - xlnx,datawidth: Should contain the stream data width, take values
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 	{32,64...1024}.
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@@ -68,8 +75,8 @@
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 	enabled/disabled in hardware.
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 - xlnx,enable-vert-flip: Tells vertical flip is
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 	enabled/disabled in hardware(S2MM path).
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-Optional child node properties for AXI DMA:
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--dma-channels: Number of dma channels in child node.
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+Optional child node properties for MCDMA:
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+- dma-channels: Number of dma channels in child node.
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 Example:
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 ++++++++