Documentation/devicetree/bindings/spi/amlogic,meson-gx-spicc.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 # Copyright 2019 BayLibre, SAS
   3 %YAML 1.2
   4 ---
   5 $id: "http://devicetree.org/schemas/spi/amlogic,meson-gx-spicc.yaml#"
   6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
   7
   8 title: Amlogic Meson SPI Communication Controller
   9
  10 maintainers:
  11   - Neil Armstrong <narmstrong@baylibre.com>
  12
  13 allOf:
  14   - $ref: "spi-controller.yaml#"
  15
  16 description: |
  17   The Meson SPICC is a generic SPI controller for general purpose Full-Duplex
  18   communications with dedicated 16 words RX/TX PIO FIFOs.
  19
  20 properties:
  21   compatible:
  22     enum:
  23       - amlogic,meson-gx-spicc # SPICC controller on Amlogic GX and compatible SoCs
  24       - amlogic,meson-axg-spicc # SPICC controller on Amlogic AXG and compatible SoCs
  25
  26   interrupts:
  27     maxItems: 1
  28
  29   reg:
  30     maxItems: 1
  31
  32   resets:
  33     maxItems: 1
  34
  35   clocks:
  36     maxItems: 1
  37
  38   clock-names:
  39     description: input clock for the baud rate generator
  40     items:
  41       - const: core
  42
  43 required:
  44   - compatible
  45   - reg
  46   - interrupts
  47   - clocks
  48   - clock-names
  49
  50 examples:
  51   - |
  52     spi@c1108d80 {
  53           compatible = "amlogic,meson-gx-spicc";
  54           reg = <0xc1108d80 0x80>;
  55           interrupts = <112>;
  56           clocks = <&clk81>;
  57           clock-names = "core";
  58           #address-cells = <1>;
  59           #size-cells = <0>;
  60
  61           ethernet-switch@0 {
  62               compatible = "micrel,ks8995m";
  63               spi-max-frequency = <1000000>;
  64               reg = <0>;
  65           };
  66     };
  67