rockchip,rk3328-grf-gpio.yaml

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    1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/gpio/rockchip,rk3328-grf-gpio.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Rockchip RK3328 General Register Files GPIO controller
    8 
    9 description:
   10   The Rockchip RK3328 General Register File (GRF) outputs only the
   11   GPIO_MUTE pin, originally for codec mute control, but it can also be used
   12   for general purpose. It is manipulated by the GRF_SOC_CON10 register.
   13   If needed in the future support for the HDMI pins can also be added.
   14   The GPIO node should be declared as the child of the GRF node.
   15 
   16   The GPIO_MUTE pin is referred to in the format
   17 
   18   <&grf_gpio 0 GPIO_ACTIVE_LOW>
   19 
   20   The first cell is the pin number and
   21   the second cell is used to specify the GPIO polarity
   22     0 = Active high
   23     1 = Active low
   24 
   25 maintainers:
   26   - Heiko Stuebner <heiko@sntech.de>
   27 
   28 properties:
   29   compatible:
   30     const: rockchip,rk3328-grf-gpio
   31 
   32   gpio-controller: true
   33 
   34   "#gpio-cells":
   35     const: 2
   36 
   37 required:
   38   - compatible
   39   - gpio-controller
   40   - "#gpio-cells"
   41 
   42 additionalProperties: false
   43 
   44 examples:
   45   - |
   46     grf_gpio: gpio {
   47       compatible = "rockchip,rk3328-grf-gpio";
   48       gpio-controller;
   49       #gpio-cells = <2>;
   50     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/gpio/rockchip,rk3328-grf-gpio.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/gpio/rockchip,rk3328-grf-gpio.yaml