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