i2c-mux-pca954x.yaml

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    1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/i2c/i2c-mux-pca954x.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: NXP PCA954x I2C bus switch
    8 
    9 maintainers:
   10   - Laurent Pinchart <laurent.pinchart@ideasonboard.com>
   11 
   12 description:
   13   The binding supports NXP PCA954x and PCA984x I2C mux/switch devices.
   14 
   15 allOf:
   16   - $ref: /schemas/i2c/i2c-mux.yaml#
   17 
   18 properties:
   19   compatible:
   20     oneOf:
   21       - enum:
   22           - nxp,pca9540
   23           - nxp,pca9542
   24           - nxp,pca9543
   25           - nxp,pca9544
   26           - nxp,pca9545
   27           - nxp,pca9546
   28           - nxp,pca9547
   29           - nxp,pca9548
   30           - nxp,pca9846
   31           - nxp,pca9847
   32           - nxp,pca9848
   33           - nxp,pca9849
   34       - items:
   35           - const: nxp,pca9646
   36           - const: nxp,pca9546
   37 
   38   reg:
   39     maxItems: 1
   40 
   41   interrupts:
   42     maxItems: 1
   43 
   44   "#interrupt-cells":
   45     const: 2
   46 
   47   interrupt-controller: true
   48 
   49   reset-gpios:
   50     maxItems: 1
   51 
   52   i2c-mux-idle-disconnect:
   53     type: boolean
   54     description: Forces mux to disconnect all children in idle state. This is
   55       necessary for example, if there are several multiplexers on the bus and
   56       the devices behind them use same I2C addresses.
   57 
   58   idle-state:
   59     description: if present, overrides i2c-mux-idle-disconnect
   60     $ref: /schemas/mux/mux-controller.yaml#/properties/idle-state
   61 
   62 required:
   63   - compatible
   64   - reg
   65 
   66 unevaluatedProperties: false
   67 
   68 examples:
   69   - |
   70     #include <dt-bindings/interrupt-controller/irq.h>
   71 
   72     i2c {
   73         #address-cells = <1>;
   74         #size-cells = <0>;
   75 
   76         i2c-mux@74 {
   77             compatible = "nxp,pca9548";
   78             #address-cells = <1>;
   79             #size-cells = <0>;
   80             reg = <0x74>;
   81 
   82             interrupt-parent = <&ipic>;
   83             interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
   84             interrupt-controller;
   85             #interrupt-cells = <2>;
   86 
   87             i2c@2 {
   88                 #address-cells = <1>;
   89                 #size-cells = <0>;
   90                 reg = <2>;
   91 
   92                 eeprom@54 {
   93                     compatible = "atmel,24c08";
   94                     reg = <0x54>;
   95                 };
   96             };
   97 
   98             i2c@4 {
   99                 #address-cells = <1>;
  100                 #size-cells = <0>;
  101                 reg = <4>;
  102 
  103                 rtc@51 {
  104                     compatible = "nxp,pcf8563";
  105                     reg = <0x51>;
  106                 };
  107             };
  108         };
  109     };
  110 ...

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/i2c/i2c-mux-pca954x.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/i2c/i2c-mux-pca954x.yaml