bindings/gpio/realtek%2Cotto-gpio.yaml

1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/gpio/realtek,otto-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Realtek Otto GPIO controller
10   - Sander Vanheule <sander@svanheule.net>
11   - Bert Vermeulen <bert@biot.com>
14   Realtek's GPIO controller on their MIPS switch SoCs (Otto platform) consists
15   of two banks of 32 GPIOs. These GPIOs can generate edge-triggered interrupts.
20   allows for GPIO port use.
24     pattern: "^gpio@[0-9a-f]+$"
28       - enum:
29           - realtek,rtl8380-gpio
30           - realtek,rtl8390-gpio
31           - realtek,rtl9300-gpio
32           - realtek,rtl9310-gpio
33       - const: realtek,otto-gpio
37   "#gpio-cells":
40   gpio-controller: true
46   interrupt-controller: true
48   "#interrupt-cells":
58         const: realtek,rtl9300-gpio
63         - description: GPIO and interrupt control
64         - description: interrupt CPU map
69         - description: GPIO and interrupt control
72   - compatible
73   - reg
74   - "#gpio-cells"
75   - gpio-controller
80   interrupt-controller: [ interrupts ]
83   - |
84       gpio@3500 {
85         compatible = "realtek,rtl8380-gpio", "realtek,otto-gpio";
87         gpio-controller;
88         #gpio-cells = <2>;
90         interrupt-controller;
91         #interrupt-cells = <2>;
92         interrupt-parent = <&rtlintc>;
95   - |
96       gpio@3300 {
97         compatible = "realtek,rtl9300-gpio", "realtek,otto-gpio";
99         gpio-controller;
100         #gpio-cells = <2>;
102         interrupt-controller;
103         #interrupt-cells = <2>;
104         interrupt-parent = <&rtlintc>;