bindings/regulator/gpio-regulator.yaml

1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/regulator/gpio-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: GPIO controlled regulators
10   - Liam Girdwood <lgirdwood@gmail.com>
11   - Mark Brown <broonie@kernel.org>
18   - $ref: regulator.yaml#
22     const: regulator-gpio
24   regulator-name: true
26   enable-gpios:
27     description: GPIO to use to enable/disable the regulator.
28       Warning, the GPIO phandle flags are ignored and the GPIO polarity is
29       controlled solely by the presence of "enable-active-high" DT property.
34     description: Array of one or more GPIO pins used to select the regulator
39   gpios-states:
41       On operating systems, that don't support reading back gpio values in
42       output mode (most notably linux), this array provides the state of GPIO
43       pins set when requesting them from the gpio controller. Systems, that are
49     $ref: /schemas/types.yaml#/definitions/uint32-array
58       regulator and matching GPIO configurations to achieve them. If there are
60     $ref: /schemas/types.yaml#/definitions/uint32-matrix
65         - description: Voltage in microvolts
66         - description: GPIO group state value
68   startup-delay-us:
71   enable-active-high:
72     description: Polarity of "enable-gpio" GPIO is active HIGH. Default is
76   gpio-open-drain:
78       GPIO is open drain type. If this property is missing then default
82   regulator-type:
86       - voltage
87       - current
90   vin-supply:
94   - compatible
95   - regulator-name
96   - gpios
97   - states
102   - |
103     gpio-regulator {
104       compatible = "regulator-gpio";
106       regulator-name = "mmci-gpio-supply";
107       regulator-min-microvolt = <1800000>;
108       regulator-max-microvolt = <2600000>;
109       regulator-boot-on;
111       enable-gpios = <&gpio0 23 0x4>;
119       startup-delay-us = <100000>;
120       enable-active-high;