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| author |   Geert Uytterhoeven <geert+renesas@glider.be> | 2015-05-20 19:46:24 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-24 13:06:08 -0700 |
| commit | 3c99121ca5c5f79959c172a6297572a273f54fb6 (patch) | |
| tree | 5ab0d788d8f2fb5514b85a35809401e507e55923 /Documentation/devicetree/bindings/serial | |
| parent | serial: 8250_omap: provide complete custom startup & shutdown callbacks (diff) | |
| download | linux-dev-3c99121ca5c5f79959c172a6297572a273f54fb6.tar.xz linux-dev-3c99121ca5c5f79959c172a6297572a273f54fb6.zip | |
serial: sh-sci: Add DMA support to the DT binding documentation
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/devicetree/bindings/serial')
| -rw-r--r-- | Documentation/devicetree/bindings/serial/renesas,sci-serial.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt b/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt index ae73bb0e9ad9..b91fcff4b7d4 100644 --- a/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt +++ b/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt @@ -44,6 +44,11 @@ Required properties: Note: Each enabled SCIx UART should have an alias correctly numbered in the "aliases" node. +Optional properties: + - dmas: Must contain a list of two references to DMA specifiers, one for + transmission, and one for reception. + - dma-names: Must contain a list of two DMA names, "tx" and "rx". + Example: aliases { serial0 = &scifa0; @@ -56,4 +61,6 @@ Example: interrupts = <0 144 IRQ_TYPE_LEVEL_HIGH>; clocks = <&mstp2_clks R8A7790_CLK_SCIFA0>; clock-names = "sci_ick"; + dmas = <&dmac0 0x21>, <&dmac0 0x22>; + dma-names = "tx", "rx"; }; |