https://community.nxp.com/t5/i-MX-Processors/DMA-transfer-peripheral-type/m-p/1458289#M190381 <P>Hello community, I am working on imx8mm.<BR />Is this DTS correct when using SAI?</P><LI-CODE lang="c">sai3: sai@30030000 { #sound-dai-cells = &lt;0&gt;; compatible = "fsl,imx8mm-sai", "fsl,imx8mq-sai"; reg = &lt;0x30030000 0x10000&gt;; interrupts = &lt;GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH&gt;; clocks = &lt;&amp;clk IMX8MM_CLK_SAI3_IPG&gt;, &lt;&amp;clk IMX8MM_CLK_SAI3_ROOT&gt;, &lt;&amp;clk IMX8MM_CLK_DUMMY&gt;, &lt;&amp;clk IMX8MM_CLK_DUMMY&gt;; clock-names = "bus", "mclk1", "mclk2", "mclk3"; dmas = &lt;&amp;sdma2 4 2 0&gt;, &lt;&amp;sdma2 5 2 0&gt;; dma-names = "rx", "tx"; status = "disabled"; };</LI-CODE><P><BR />In this configuration, the DMA transfer peripheral type is 2.<BR />According to Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt, 2 is MMC and SAI is 24.</P><P>Should I fix it to 24?</P> Mon, 16 May 2022 01:45:23 GMT kagawa 2022-05-16T01:45:23Z https://community.nxp.com/t5/i-MX-Processors/DMA-transfer-peripheral-type/m-p/1458289#M190381 <P>Hello community, I am working on imx8mm.<BR />Is this DTS correct when using SAI?</P><LI-CODE lang="c">sai3: sai@30030000 { #sound-dai-cells = &lt;0&gt;; compatible = "fsl,imx8mm-sai", "fsl,imx8mq-sai"; reg = &lt;0x30030000 0x10000&gt;; interrupts = &lt;GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH&gt;; clocks = &lt;&amp;clk IMX8MM_CLK_SAI3_IPG&gt;, &lt;&amp;clk IMX8MM_CLK_SAI3_ROOT&gt;, &lt;&amp;clk IMX8MM_CLK_DUMMY&gt;, &lt;&amp;clk IMX8MM_CLK_DUMMY&gt;; clock-names = "bus", "mclk1", "mclk2", "mclk3"; dmas = &lt;&amp;sdma2 4 2 0&gt;, &lt;&amp;sdma2 5 2 0&gt;; dma-names = "rx", "tx"; status = "disabled"; };</LI-CODE><P><BR />In this configuration, the DMA transfer peripheral type is 2.<BR />According to Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt, 2 is MMC and SAI is 24.</P><P>Should I fix it to 24?</P> Mon, 16 May 2022 01:45:23 GMT https://community.nxp.com/t5/i-MX-Processors/DMA-transfer-peripheral-type/m-p/1458289#M190381 kagawa 2022-05-16T01:45:23Z https://community.nxp.com/t5/i-MX-Processors/DMA-transfer-peripheral-type/m-p/1720652#M212394 <P>Would love to see an NXP expert answer this, or provide educational resources on this topic.&nbsp;</P> Tue, 12 Sep 2023 00:06:17 GMT https://community.nxp.com/t5/i-MX-Processors/DMA-transfer-peripheral-type/m-p/1720652#M212394 tloan 2023-09-12T00:06:17Z