Documentation/devicetree/bindings/serial/fsl-lpuart.yaml

   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   - $ref: serial.yaml#
  15
  16 properties:
  17   compatible:
  18     oneOf:
  19       - enum:
  20           - fsl,vf610-lpuart
  21           - fsl,ls1021a-lpuart
  22           - fsl,ls1028a-lpuart
  23           - fsl,imx7ulp-lpuart
  24           - fsl,imx8qxp-lpuart
  25           - fsl,imxrt1050-lpuart
  26       - items:
  27           - enum:
  28               - fsl,imx8ulp-lpuart
  29           - const: fsl,imx7ulp-lpuart
  30       - items:
  31           - enum:
  32               - fsl,imx93-lpuart
  33               - fsl,imx95-lpuart
  34           - const: fsl,imx8ulp-lpuart
  35           - const: fsl,imx7ulp-lpuart
  36       - items:
  37           - enum:
  38               - fsl,imx8qm-lpuart
  39               - fsl,imx8dxl-lpuart
  40           - const: fsl,imx8qxp-lpuart
  41       - items:
  42           - const: fsl,imxrt1050-lpuart
  43           - const: fsl,imxrt1170-lpuart
  44
  45   reg:
  46     maxItems: 1
  47
  48   interrupts:
  49     maxItems: 1
  50
  51   clocks:
  52     items:
  53       - description: ipg clock
  54       - description: baud clock
  55     minItems: 1
  56
  57   clock-names:
  58     items:
  59       - const: ipg
  60       - const: baud
  61     minItems: 1
  62
  63   dmas:
  64     items:
  65       - description: DMA controller phandle and request line for RX
  66       - description: DMA controller phandle and request line for TX
  67
  68   dma-names:
  69     items:
  70       - const: rx
  71       - const: tx
  72
  73   power-domains:
  74     maxItems: 1
  75
  76 required:
  77   - compatible
  78   - reg
  79   - interrupts
  80   - clocks
  81   - clock-names
  82
  83 unevaluatedProperties: false
  84
  85 examples:
  86   - |
  87     #include <dt-bindings/clock/vf610-clock.h>
  88
  89     serial@40027000 {
  90         compatible = "fsl,vf610-lpuart";
  91         reg = <0x40027000 0x1000>;
  92         interrupts = <0 61 0x00>;
  93         clocks = <&clks VF610_CLK_UART0>;
  94         clock-names = "ipg";
  95         dmas = <&edma0 0 2>, <&edma0 0 3>;
  96         dma-names = "rx","tx";
  97     };