diff options
Diffstat (limited to 'Documentation/devicetree/bindings/dma')
| -rw-r--r-- | Documentation/devicetree/bindings/dma/fsl-edma-v3.txt | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/dma/fsl-edma-v3.txt b/Documentation/devicetree/bindings/dma/fsl-edma-v3.txt index 222ccf8605b0..a8d05427f954 100644 --- a/Documentation/devicetree/bindings/dma/fsl-edma-v3.txt +++ b/Documentation/devicetree/bindings/dma/fsl-edma-v3.txt @@ -12,8 +12,12 @@ Required properties: - reg : Specifies base physical address(s) and size of the eDMA channel registers. Each eDMA channel has separated register's address and size. - interrupts : A list of interrupt-specifiers, each channel has one interrupt. -- interrupt-names : Should contain: - "edma-chan12-tx" - the channel12 transmission interrupt +- interrupt-names : Should contain below template: + "edmaX-chanX-Xx" + | | |---> receive/transmit, r or t + | |---> channel id, the max number is 32 + |---> edma controller instance, 0, 1, 2,..etc + - #dma-cells : Must be <3>. The 1st cell specifies the channel ID. The 2nd cell specifies the channel priority. @@ -40,8 +44,8 @@ edma0: dma-controller@40018000 { <GIC_SPI 435 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 436 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 437 IRQ_TYPE_LEVEL_HIGH>; - interrupt-names = "edma-chan12-tx", "edma-chan13-tx", - "edma-chan14-tx", "edma-chan15-tx"; + interrupt-names = "edma0-chan12-rx", "edma0-chan13-tx", + "edma0-chan14-rx", "edma0-chan15-tx"; status = "okay"; }; |