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| author | Stefan-Gabriel Mirea <stefan-gabriel.mirea@nxp.com> | 2020-03-05 17:16:33 +0200 |
|---|---|---|
| committer | Dong Aisheng <aisheng.dong@nxp.com> | 2021-11-02 17:17:07 +0800 |
| commit | d6ef8fada720a88dd32d892f64031e2cdafe7cc9 (patch) | |
| tree | 252bf1b6d0b9ebfd16043e522c98243ed95d2737 | |
| parent | 5b864632389eea623751de2a4a74dece57ccd9fe (diff) | |
LF-631-5 dt-bindings: serial: linflexuart: Document DMA-related properties
Update the Freescale LINFlexD bindings example and description with the
"dmas" and "dma-names" properties.
Signed-off-by: Stefan-Gabriel Mirea <stefan-gabriel.mirea@nxp.com>
Acked-by: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>
| -rw-r--r-- | Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.txt b/Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.txt index 3be0313689e1..4a42adb33e07 100644 --- a/Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.txt +++ b/Documentation/devicetree/bindings/serial/fsl,s32-linflexuart.txt @@ -14,6 +14,10 @@ Required properties: - clocks : phandle + clock specifier pairs, one for each entry in clock-names - clock-names : should contain: "lin" - the uart clock +Optional properties: +- dmas : Specifies two DMA channels - one entry for each entry in dma-names +- dma-names : DMA channel names - "tx" for transmission, "rx" for reception + Example: uart0: serial@40053000 { compatible = "fsl,s32v234-linflexuart"; @@ -21,6 +25,9 @@ uart0: serial@40053000 { interrupts = <0 59 4>; clocks = <&clks S32V234_CLK_LIN>; clock-names = "lin"; + dmas = <&edma 0 20>, + <&edma 0 19>; + dma-names = "rx", "tx"; }; [1] https://www.nxp.com/webapp/Download?colCode=S32V234RM |