Messages in this thread Patch in this message | | | From | Baolin Wang <> | Subject | [PATCH 1/2] dt-bindings: soc: sprd: Add Spreadtrum MCDT documentation | Date | Fri, 19 Apr 2019 18:54:31 +0800 |
| |
Add documentation for Spreadtrum multi-channel data transfer controller, which is used for sound stream transmission between audio subsystem and other AP/CP subsystems.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org> --- .../devicetree/bindings/soc/sprd/sprd-mcdt.txt | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/sprd/sprd-mcdt.txt
diff --git a/Documentation/devicetree/bindings/soc/sprd/sprd-mcdt.txt b/Documentation/devicetree/bindings/soc/sprd/sprd-mcdt.txt new file mode 100644 index 0000000..274ba0a --- /dev/null +++ b/Documentation/devicetree/bindings/soc/sprd/sprd-mcdt.txt @@ -0,0 +1,19 @@ +Spreadtrum Multi-Channel Data Transfer Binding + +The Multi-channel data transfer controller is used for sound stream +transmission between audio subsystem and other AP/CP subsystem. It +supports 10 DAC channel and 10 ADC channel, and each channel can be +configured with DMA mode or interrupt mode. + +Required properties: +- compatible: Should be "sprd,sc9860-mcdt". +- reg: Should contain registers address and length. +- interrupts: Should contain one interrupt shared by all channel. + +Example: + +mcdt@41490000 { + compatible = "sprd,sc9860-mcdt"; + reg = <0 0x41490000 0 0x170>; + interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>; +}; -- 1.7.9.5
| |