amlogic,meson-gx-spicc.yaml

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    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 <neil.armstrong@linaro.org>
   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       - amlogic,meson-g12a-spicc # SPICC controller on Amlogic G12A and compatible SoCs
   26 
   27   interrupts:
   28     maxItems: 1
   29 
   30   reg:
   31     maxItems: 1
   32 
   33   resets:
   34     maxItems: 1
   35 
   36   clocks:
   37     minItems: 1
   38     items:
   39       - description: controller register bus clock
   40       - description: baud rate generator and delay control clock
   41 
   42   clock-names:
   43     minItems: 1
   44     maxItems: 2
   45 
   46 if:
   47   properties:
   48     compatible:
   49       contains:
   50         enum:
   51           - amlogic,meson-g12a-spicc
   52 
   53 then:
   54   properties:
   55     clocks:
   56       minItems: 2
   57 
   58     clock-names:
   59       items:
   60         - const: core
   61         - const: pclk
   62 
   63 else:
   64   properties:
   65     clocks:
   66       maxItems: 1
   67 
   68     clock-names:
   69       items:
   70         - const: core
   71 
   72 required:
   73   - compatible
   74   - reg
   75   - interrupts
   76   - clocks
   77   - clock-names
   78 
   79 unevaluatedProperties: false
   80 
   81 examples:
   82   - |
   83     spi@c1108d80 {
   84           compatible = "amlogic,meson-gx-spicc";
   85           reg = <0xc1108d80 0x80>;
   86           interrupts = <112>;
   87           clocks = <&clk81>;
   88           clock-names = "core";
   89           #address-cells = <1>;
   90           #size-cells = <0>;
   91 
   92           display@0 {
   93               compatible = "lg,lg4573";
   94               spi-max-frequency = <1000000>;
   95               reg = <0>;
   96           };
   97     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/spi/amlogic,meson-gx-spicc.yaml

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sys/contrib/device-tree/Bindings/spi/amlogic,meson-gx-spicc.yaml