Documentation/devicetree/bindings/serial/renesas,sci.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/renesas,sci.yaml#"
   5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
   6
   7 title: Renesas Serial Communication Interface
   8
   9 maintainers:
  10   - Geert Uytterhoeven <geert+renesas@glider.be>
  11
  12 allOf:
  13   - $ref: serial.yaml#
  14
  15 properties:
  16   compatible:
  17     const: renesas,sci
  18
  19   reg:
  20     maxItems: 1
  21
  22   interrupts:
  23     items:
  24       - description: Error interrupt
  25       - description: Receive buffer full interrupt
  26       - description: Transmit buffer empty interrupt
  27       - description: Transmit end interrupt
  28
  29   interrupt-names:
  30     items:
  31       - const: eri
  32       - const: rxi
  33       - const: txi
  34       - const: tei
  35
  36   clocks:
  37     minItems: 1
  38     maxItems: 2
  39
  40   clock-names:
  41     minItems: 1
  42     maxItems: 2
  43     items:
  44       enum:
  45         - fck # UART functional clock
  46         - sck # optional external clock input
  47
  48   uart-has-rtscts: false
  49
  50 required:
  51   - compatible
  52   - reg
  53   - interrupts
  54   - clocks
  55   - clock-names
  56
  57 examples:
  58   - |
  59     aliases {
  60             serial0 = &sci0;
  61     };
  62
  63     sci0: serial@ffff78 {
  64             compatible = "renesas,sci";
  65             reg = <0xffff78 8>;
  66             interrupts = <88 0>, <89 0>, <90 0>, <91 0>;
  67             clocks = <&fclk>;
  68             clock-names = "fck";
  69     };