xref: /linux/Documentation/devicetree/bindings/gpio/realtek,rtd-gpio.yaml (revision 4b660dbd9ee2059850fd30e0df420ca7a38a1856) 
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
8title: Realtek DHC GPIO controller
9
10maintainers:
11  - Tzuyi Chang <tychang@realtek.com>
12
13description:
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
17properties:
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
48required:
49  - compatible
50  - reg
51  - interrupts
52  - gpio-ranges
53  - gpio-controller
54  - "#gpio-cells"
55
56additionalProperties: false
57
58examples:
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    };
70