1 # SPDX-License-Identifier: GPL-2.0
4 $id: http://devicetree.org/schemas/regulator/fixed-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Fixed Voltage regulators
10 - Liam Girdwood <lgirdwood@gmail.com>
11 - Mark Brown <broonie@kernel.org>
14 Any property defined as part of the core regulator binding, defined in
15 regulator.yaml, can also be used. However a fixed voltage regulator is
16 expected to have the regulator-min-microvolt and regulator-max-microvolt
20 - $ref: "regulator.yaml#"
26 const: regulator-fixed-clock
34 const: regulator-fixed-domain
43 - regulator-fixed-clock
44 - regulator-fixed-domain
49 description: gpio to use for enable control
54 clock to use for enable control. This binding is only available if
55 the compatible is chosen to regulator-fixed-clock. The clock binding
56 is mandatory if compatible is chosen to regulator-fixed-clock.
61 Power domain to use for enable control. This binding is only
62 available if the compatible is chosen to regulator-fixed-domain.
67 Performance state to use for enable control. This binding is only
68 available if the compatible is chosen to regulator-fixed-domain. The
69 power-domain binding is mandatory if compatible is chosen to
70 regulator-fixed-domain.
74 description: startup time in microseconds
77 description: off delay time in microseconds
81 Polarity of GPIO is Active high. If this property is missing,
82 the default assumed is Active low.
87 GPIO is open drain type. If this property is missing then default
92 description: Input supply phandle.
98 unevaluatedProperties: false
102 reg_1v8: regulator-1v8 {
103 compatible = "regulator-fixed";
104 regulator-name = "1v8";
105 regulator-min-microvolt = <1800000>;
106 regulator-max-microvolt = <1800000>;
107 gpio = <&gpio1 16 0>;
108 startup-delay-us = <70000>;
112 vin-supply = <&parent_reg>;
114 reg_1v8_clk: regulator-1v8-clk {
115 compatible = "regulator-fixed-clock";
116 regulator-name = "1v8";
117 regulator-min-microvolt = <1800000>;
118 regulator-max-microvolt = <1800000>;
120 startup-delay-us = <70000>;
123 vin-supply = <&parent_reg>;
125 reg_1v8_domain: regulator-1v8-domain {
126 compatible = "regulator-fixed-domain";
127 regulator-name = "1v8";
128 regulator-min-microvolt = <1800000>;
129 regulator-max-microvolt = <1800000>;
130 power-domains = <&domain1>;
131 required-opps = <&domain1_state1>;
132 startup-delay-us = <70000>;
135 vin-supply = <&parent_reg>;