diff options
Diffstat (limited to 'Documentation/devicetree/bindings/dma')
| -rw-r--r-- | Documentation/devicetree/bindings/dma/fsl-edma-v3.txt | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/Documentation/devicetree/bindings/dma/fsl-edma-v3.txt b/Documentation/devicetree/bindings/dma/fsl-edma-v3.txt index 322b2c64f396..9c84de7e402c 100644 --- a/Documentation/devicetree/bindings/dma/fsl-edma-v3.txt +++ b/Documentation/devicetree/bindings/dma/fsl-edma-v3.txt @@ -14,12 +14,13 @@ Required properties: - interrupts : A list of interrupt-specifiers, each channel has one interrupt. - interrupt-names : Should contain: "edma-chan12-tx" - the channel12 transmission interrupt -- #dma-cells : Must be <4>. +- #dma-cells : Must be <3>. The 1st cell specifies the channel ID. The 2nd cell specifies the channel priority. - The 3rd cell specifies the channel type like for transmit or receive: + The 3rd cell specifies the channel attributes which include below: + BIT(0): transmit or receive: 0: transmit, 1: receive. - The 4th cell specifies the local access or remote access: + BIT(1): local or remote access: 0: local, 1: remote. See the SoC's reference manual for all the supported request sources. - dma-channels : Number of channels supported by the controller @@ -31,7 +32,7 @@ edma0: dma-controller@40018000 { <0x0 0x5a2d0000 0x0 0x10000>, /* channel13 UART0 tx */ <0x0 0x5a2e0000 0x0 0x10000>, /* channel14 UART1 rx */ <0x0 0x5a2f0000 0x0 0x10000>; /* channel15 UART1 tx */ - #dma-cells = <4>; + #dma-cells = <3>; dma-channels = <4>; interrupts = <GIC_SPI 434 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 435 IRQ_TYPE_LEVEL_HIGH>, @@ -60,7 +61,7 @@ lpuart1: serial@5a070000 { assigned-clock-rates = <80000000>; power-domains = <&pd_dma_lpuart1>; dma-names = "tx","rx"; - dmas = <&edma0 15 0 0 0>, - <&edma0 14 0 1 0>; + dmas = <&edma0 15 0 0>, + <&edma0 14 0 1>; status = "disabled"; }; |