Bindings/gpio/realtek,rtd-gpio.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 # Copyright 2023 Realtek Semiconductor Corporation
   3 %YAML 1.2
   4 ---
   5 $id: http://devicetree.org/schemas/gpio/realtek,rtd-gpio.yaml#
   6 $schema: http://devicetree.org/meta-schemas/core.yaml#
   7
   8 title: Realtek DHC GPIO controller
   9
  10 maintainers:
  11   - Tzuyi Chang <tychang@realtek.com>
  12
  13 description:
  14   The GPIO controller is designed for the Realtek DHC (Digital Home Center)
  15   RTD series SoC family, which are high-definition media processor SoCs.
  16
  17 properties:
  18   compatible:
  19     enum:
  20       - realtek,rtd1295-misc-gpio
  21       - realtek,rtd1295-iso-gpio
  22       - realtek,rtd1315e-iso-gpio
  23       - realtek,rtd1319-iso-gpio
  24       - realtek,rtd1319d-iso-gpio
  25       - realtek,rtd1395-iso-gpio
  26       - realtek,rtd1619-iso-gpio
  27       - realtek,rtd1619b-iso-gpio
  28
  29   reg:
  30     items:
  31       - description: GPIO controller registers
  32       - description: GPIO interrupt registers
  33
  34   interrupts:
  35     items:
  36       - description: Interrupt number of the assert GPIO interrupt, which is
  37                      triggered when there is a rising edge.
  38       - description: Interrupt number of the deassert GPIO interrupt, which is
  39                      triggered when there is a falling edge.
  40
  41   gpio-ranges: true
  42
  43   gpio-controller: true
  44
  45   "#gpio-cells":
  46     const: 2
  47
  48 required:
  49   - compatible
  50   - reg
  51   - interrupts
  52   - gpio-ranges
  53   - gpio-controller
  54   - "#gpio-cells"
  55
  56 additionalProperties: false
  57
  58 examples:
  59   - |
  60     gpio@100 {
  61       compatible = "realtek,rtd1319d-iso-gpio";
  62       reg = <0x100 0x100>,
  63             <0x0 0xb0>;
  64       interrupt-parent = <&iso_irq_mux>;
  65       interrupts = <19>, <20>;
  66       gpio-ranges = <&pinctrl 0 0 82>;
  67       gpio-controller;
  68       #gpio-cells = <2>;
  69     };