fsl-lpuart.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/serial/fsl-lpuart.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Freescale low power universal asynchronous receiver/transmitter (lpuart)
    8 
    9 maintainers:
   10   - Fugang Duan <fugang.duan@nxp.com>
   11 
   12 allOf:
   13   - $ref: "rs485.yaml"
   14 
   15 properties:
   16   compatible:
   17     oneOf:
   18       - enum:
   19           - fsl,vf610-lpuart
   20           - fsl,ls1021a-lpuart
   21           - fsl,ls1028a-lpuart
   22           - fsl,imx7ulp-lpuart
   23           - fsl,imx8qxp-lpuart
   24           - fsl,imxrt1050-lpuart
   25       - items:
   26           - enum:
   27               - fsl,imx93-lpuart
   28               - fsl,imx8ulp-lpuart
   29           - const: fsl,imx7ulp-lpuart
   30       - items:
   31           - enum:
   32               - fsl,imx8qm-lpuart
   33               - fsl,imx8dxl-lpuart
   34           - const: fsl,imx8qxp-lpuart
   35 
   36   reg:
   37     maxItems: 1
   38 
   39   interrupts:
   40     maxItems: 1
   41 
   42   clocks:
   43     items:
   44       - description: ipg clock
   45       - description: baud clock
   46     minItems: 1
   47 
   48   clock-names:
   49     items:
   50       - const: ipg
   51       - const: baud
   52     minItems: 1
   53 
   54   dmas:
   55     items:
   56       - description: DMA controller phandle and request line for RX
   57       - description: DMA controller phandle and request line for TX
   58 
   59   dma-names:
   60     items:
   61       - const: rx
   62       - const: tx
   63 
   64   rs485-rts-active-low: true
   65   linux,rs485-enabled-at-boot-time: true
   66 
   67 required:
   68   - compatible
   69   - reg
   70   - interrupts
   71   - clocks
   72   - clock-names
   73 
   74 unevaluatedProperties: false
   75 
   76 examples:
   77   - |
   78     #include <dt-bindings/clock/vf610-clock.h>
   79 
   80     serial@40027000 {
   81         compatible = "fsl,vf610-lpuart";
   82         reg = <0x40027000 0x1000>;
   83         interrupts = <0 61 0x00>;
   84         clocks = <&clks VF610_CLK_UART0>;
   85         clock-names = "ipg";
   86         dmas = <&edma0 0 2>, <&edma0 0 3>;
   87         dma-names = "rx","tx";
   88     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/serial/fsl-lpuart.yaml

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sys/contrib/device-tree/Bindings/serial/fsl-lpuart.yaml