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authorSascha Hauer <s.hauer@pengutronix.de>2023-03-15 10:57:00 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2023-03-15 13:24:47 +0100
commit03b1dd74aa6e8307dde254efe7f1450630362a8a (patch)
tree66ee5ede9991313a2ce7a9171d51312ffd9d9a26 /dts/Bindings/dma/fsl-mxs-dma.txt
parentdd86cdf21582baec789488301b881f8b183cbdfa (diff)
downloadbarebox-03b1dd74aa6e8307dde254efe7f1450630362a8a.tar.gz
barebox-03b1dd74aa6e8307dde254efe7f1450630362a8a.tar.xz
dts: update to v6.3-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/dma/fsl-mxs-dma.txt')
-rw-r--r--dts/Bindings/dma/fsl-mxs-dma.txt60
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diff --git a/dts/Bindings/dma/fsl-mxs-dma.txt b/dts/Bindings/dma/fsl-mxs-dma.txt
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-* Freescale MXS DMA
-
-Required properties:
-- compatible : Should be "fsl,<chip>-dma-apbh" or "fsl,<chip>-dma-apbx"
-- reg : Should contain registers location and length
-- interrupts : Should contain the interrupt numbers of DMA channels.
- If a channel is empty/reserved, 0 should be filled in place.
-- #dma-cells : Must be <1>. The number cell specifies the channel ID.
-- dma-channels : Number of channels supported by the DMA controller
-
-Optional properties:
-- interrupt-names : Name of DMA channel interrupts
-
-Supported chips:
-imx23, imx28.
-
-Examples:
-
-dma_apbh: dma-apbh@80004000 {
- compatible = "fsl,imx28-dma-apbh";
- reg = <0x80004000 0x2000>;
- interrupts = <82 83 84 85
- 88 88 88 88
- 88 88 88 88
- 87 86 0 0>;
- interrupt-names = "ssp0", "ssp1", "ssp2", "ssp3",
- "gpmi0", "gmpi1", "gpmi2", "gmpi3",
- "gpmi4", "gmpi5", "gpmi6", "gmpi7",
- "hsadc", "lcdif", "empty", "empty";
- #dma-cells = <1>;
- dma-channels = <16>;
-};
-
-dma_apbx: dma-apbx@80024000 {
- compatible = "fsl,imx28-dma-apbx";
- reg = <0x80024000 0x2000>;
- interrupts = <78 79 66 0
- 80 81 68 69
- 70 71 72 73
- 74 75 76 77>;
- interrupt-names = "auart4-rx", "auart4-tx", "spdif-tx", "empty",
- "saif0", "saif1", "i2c0", "i2c1",
- "auart0-rx", "auart0-tx", "auart1-rx", "auart1-tx",
- "auart2-rx", "auart2-tx", "auart3-rx", "auart3-tx";
- #dma-cells = <1>;
- dma-channels = <16>;
-};
-
-DMA clients connected to the MXS DMA controller must use the format
-described in the dma.txt file.
-
-Examples:
-
-auart0: serial@8006a000 {
- compatible = "fsl,imx28-auart", "fsl,imx23-auart";
- reg = <0x8006a000 0x2000>;
- interrupts = <112>;
- dmas = <&dma_apbx 8>, <&dma_apbx 9>;
- dma-names = "rx", "tx";
-};