renesas,rza2-pinctrl.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/pinctrl/renesas,rza2-pinctrl.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Renesas RZ/A2 combined Pin and GPIO controller
    8 
    9 maintainers:
   10   - Chris Brandt <chris.brandt@renesas.com>
   11   - Geert Uytterhoeven <geert+renesas@glider.be>
   12 
   13 description:
   14   The Renesas SoCs of the RZ/A2 series feature a combined Pin and GPIO
   15   controller.
   16   Pin multiplexing and GPIO configuration is performed on a per-pin basis.
   17   Each port features up to 8 pins, each of them configurable for GPIO function
   18   (port mode) or in alternate function mode.
   19   Up to 8 different alternate function modes exist for each single pin.
   20 
   21 properties:
   22   compatible:
   23     const: "renesas,r7s9210-pinctrl" # RZ/A2M
   24 
   25   reg:
   26     maxItems: 1
   27 
   28   gpio-controller: true
   29 
   30   '#gpio-cells':
   31     const: 2
   32     description:
   33       The first cell contains the global GPIO port index, constructed using the
   34       RZA2_PIN() helper macro in r7s9210-pinctrl.h.
   35       E.g. "RZA2_PIN(PORT6, 0)" for P6_0.
   36 
   37   gpio-ranges:
   38     maxItems: 1
   39 
   40 patternProperties:
   41   "^.*$":
   42     if:
   43       type: object
   44     then:
   45       allOf:
   46         - $ref: pincfg-node.yaml#
   47         - $ref: pinmux-node.yaml#
   48       description:
   49         The child nodes of the pin controller designate pins to be used for
   50         specific peripheral functions or as GPIO.
   51 
   52         A pin multiplexing sub-node describes how to configure a set of
   53         (or a single) pin in some desired alternate function mode.
   54         The values for the pinmux properties are a combination of port name,
   55         pin number and the desired function index. Use the RZA2_PINMUX macro
   56         located in include/dt-bindings/pinctrl/r7s9210-pinctrl.h to easily
   57         define these.
   58         For assigning GPIO pins, use the macro RZA2_PIN also in
   59         to express the desired port pin.
   60 
   61       properties:
   62         phandle: true
   63 
   64         pinmux:
   65           description:
   66             Values are constructed from GPIO port number, pin number, and
   67             alternate function configuration number using the RZA2_PINMUX()
   68             helper macro in r7s9210-pinctrl.h.
   69 
   70       required:
   71         - pinmux
   72 
   73       additionalProperties: false
   74 
   75 allOf:
   76   - $ref: "pinctrl.yaml#"
   77 
   78 required:
   79   - compatible
   80   - reg
   81   - gpio-controller
   82   - '#gpio-cells'
   83   - gpio-ranges
   84 
   85 additionalProperties: false
   86 
   87 examples:
   88   - |
   89     #include <dt-bindings/pinctrl/r7s9210-pinctrl.h>
   90     pinctrl: pinctrl@fcffe000 {
   91             compatible = "renesas,r7s9210-pinctrl";
   92             reg = <0xfcffe000 0x1000>;
   93 
   94             gpio-controller;
   95             #gpio-cells = <2>;
   96             gpio-ranges = <&pinctrl 0 0 176>;
   97 
   98             /* Serial Console */
   99             scif4_pins: serial4 {
  100                     pinmux = <RZA2_PINMUX(PORT9, 0, 4)>, /* TxD4 */
  101                              <RZA2_PINMUX(PORT9, 1, 4)>; /* RxD4 */
  102             };
  103     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/pinctrl/renesas,rza2-pinctrl.yaml

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sys/contrib/device-tree/Bindings/pinctrl/renesas,rza2-pinctrl.yaml