bindings/gpio/gpio-mvebu.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/gpio/gpio-mvebu.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Marvell EBU GPIO controller
10   - Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
11   - Andrew Lunn <andrew@lunn.ch>
16       - enum:
17           - marvell,armada-8k-gpio
18           - marvell,orion-gpio
20       - items:
21           - enum:
22               - marvell,mv78200-gpio
23               - marvell,armada-370-gpio
24           - const: marvell,orion-gpio
26       - description: Deprecated binding
28           - const: marvell,armadaxp-gpio
29           - const: marvell,orion-gpio
35       marvell,armada-8k-gpio.
37       A second entry can be provided, for the PWM function using the GPIO Blink
42   reg-names:
44       - const: gpio
45       - const: pwm
61   interrupt-controller: true
63   "#interrupt-cells":
66   gpio-controller: true
72   "#gpio-cells":
75   gpio-ranges:
78   marvell,pwm-offset:
80     description: Offset in the register map for the pwm registers (in bytes)
82   "#pwm-cells":
90       Clock(s) used for PWM function.
92       - description: Core clock
93       - description: AXI bus clock
96   clock-names:
98       - const: core
99       - const: axi
103   "^(.+-hog(-[0-9]+)?)$":
107       - gpio-hog
110   - compatible
111   - gpio-controller
112   - ngpios
113   - "#gpio-cells"
116   - if:
120             const: marvell,armada-8k-gpio
123         - offset
126         - reg
131   - |
133       compatible = "marvell,armadaxp-gpio", "marvell,orion-gpio";
136       gpio-controller;
137       #gpio-cells = <2>;
138       interrupt-controller;
139       #interrupt-cells = <2>;
143   - |
145       compatible = "marvell,armada-370-gpio", "marvell,orion-gpio";
147       reg-names = "gpio", "pwm";
149       gpio-controller;
150       #gpio-cells = <2>;
151       #pwm-cells = <2>;
152       interrupt-controller;
153       #interrupt-cells = <2>;