140 lines
3.5 KiB
YAML
140 lines
3.5 KiB
YAML
|
# SPDX-License-Identifier: GPL-2.0
|
||
|
|
%YAML 1.2
|
||
|
|
---
|
||
|
|
$id: http://devicetree.org/schemas/regulator/fixed-regulator.yaml#
|
||
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
||
|
|
|
||
|
|
title: Fixed Voltage regulators
|
||
|
|
|
||
|
|
maintainers:
|
||
|
|
- Liam Girdwood <lgirdwood@gmail.com>
|
||
|
|
- Mark Brown <broonie@kernel.org>
|
||
|
|
|
||
|
|
description:
|
||
|
|
Any property defined as part of the core regulator binding, defined in
|
||
|
|
regulator.yaml, can also be used. However a fixed voltage regulator is
|
||
|
|
expected to have the regulator-min-microvolt and regulator-max-microvolt
|
||
|
|
to be the same.
|
||
|
|
|
||
|
|
allOf:
|
||
|
|
- $ref: "regulator.yaml#"
|
||
|
|
|
||
|
|
if:
|
||
|
|
properties:
|
||
|
|
compatible:
|
||
|
|
contains:
|
||
|
|
const: regulator-fixed-clock
|
||
|
|
required:
|
||
|
|
- clocks
|
||
|
|
else:
|
||
|
|
if:
|
||
|
|
properties:
|
||
|
|
compatible:
|
||
|
|
contains:
|
||
|
|
const: regulator-fixed-domain
|
||
|
|
required:
|
||
|
|
- power-domains
|
||
|
|
- required-opps
|
||
|
|
|
||
|
|
properties:
|
||
|
|
compatible:
|
||
|
|
enum:
|
||
|
|
- regulator-fixed
|
||
|
|
- regulator-fixed-clock
|
||
|
|
- regulator-fixed-domain
|
||
|
|
|
||
|
|
regulator-name: true
|
||
|
|
|
||
|
|
gpio:
|
||
|
|
description: gpio to use for enable control
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
clocks:
|
||
|
|
description:
|
||
|
|
clock to use for enable control. This binding is only available if
|
||
|
|
the compatible is chosen to regulator-fixed-clock. The clock binding
|
||
|
|
is mandatory if compatible is chosen to regulator-fixed-clock.
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
power-domains:
|
||
|
|
deprecated: true
|
||
|
|
description:
|
||
|
|
Power domain to use for enable control. This binding is only
|
||
|
|
available if the compatible is chosen to regulator-fixed-domain.
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
required-opps:
|
||
|
|
deprecated: true
|
||
|
|
description:
|
||
|
|
Performance state to use for enable control. This binding is only
|
||
|
|
available if the compatible is chosen to regulator-fixed-domain. The
|
||
|
|
power-domain binding is mandatory if compatible is chosen to
|
||
|
|
regulator-fixed-domain.
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
startup-delay-us:
|
||
|
|
description: startup time in microseconds
|
||
|
|
|
||
|
|
off-on-delay-us:
|
||
|
|
description: off delay time in microseconds
|
||
|
|
|
||
|
|
enable-active-high:
|
||
|
|
description:
|
||
|
|
Polarity of GPIO is Active high. If this property is missing,
|
||
|
|
the default assumed is Active low.
|
||
|
|
type: boolean
|
||
|
|
|
||
|
|
gpio-open-drain:
|
||
|
|
description:
|
||
|
|
GPIO is open drain type. If this property is missing then default
|
||
|
|
assumption is false.
|
||
|
|
type: boolean
|
||
|
|
|
||
|
|
vin-supply:
|
||
|
|
description: Input supply phandle.
|
||
|
|
|
||
|
|
required:
|
||
|
|
- compatible
|
||
|
|
- regulator-name
|
||
|
|
|
||
|
|
unevaluatedProperties: false
|
||
|
|
|
||
|
|
examples:
|
||
|
|
- |
|
||
|
|
reg_1v8: regulator-1v8 {
|
||
|
|
compatible = "regulator-fixed";
|
||
|
|
regulator-name = "1v8";
|
||
|
|
regulator-min-microvolt = <1800000>;
|
||
|
|
regulator-max-microvolt = <1800000>;
|
||
|
|
gpio = <&gpio1 16 0>;
|
||
|
|
startup-delay-us = <70000>;
|
||
|
|
enable-active-high;
|
||
|
|
regulator-boot-on;
|
||
|
|
gpio-open-drain;
|
||
|
|
vin-supply = <&parent_reg>;
|
||
|
|
};
|
||
|
|
reg_1v8_clk: regulator-1v8-clk {
|
||
|
|
compatible = "regulator-fixed-clock";
|
||
|
|
regulator-name = "1v8";
|
||
|
|
regulator-min-microvolt = <1800000>;
|
||
|
|
regulator-max-microvolt = <1800000>;
|
||
|
|
clocks = <&clock1>;
|
||
|
|
startup-delay-us = <70000>;
|
||
|
|
enable-active-high;
|
||
|
|
regulator-boot-on;
|
||
|
|
vin-supply = <&parent_reg>;
|
||
|
|
};
|
||
|
|
reg_1v8_domain: regulator-1v8-domain {
|
||
|
|
compatible = "regulator-fixed-domain";
|
||
|
|
regulator-name = "1v8";
|
||
|
|
regulator-min-microvolt = <1800000>;
|
||
|
|
regulator-max-microvolt = <1800000>;
|
||
|
|
power-domains = <&domain1>;
|
||
|
|
required-opps = <&domain1_state1>;
|
||
|
|
startup-delay-us = <70000>;
|
||
|
|
enable-active-high;
|
||
|
|
regulator-boot-on;
|
||
|
|
vin-supply = <&parent_reg>;
|
||
|
|
};
|
||
|
|
...
|