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A power domain should not be modelled as a regulator, not even for the simplest case as recent discussions have concluded around the existing regulator-fixed-domain DT binding. Fortunately, there is only one user of the binding that was recently added. Therefore, let's mark the binding as deprecated to prevent it from being further used. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Link: https://lore.kernel.org/r/20210705133441.11344-1-ulf.hansson@linaro.org Signed-off-by: Mark Brown <broonie@kernel.org>
140 lines
3.5 KiB
YAML
140 lines
3.5 KiB
YAML
# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/regulator/fixed-regulator.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Fixed Voltage regulators
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maintainers:
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- Liam Girdwood <lgirdwood@gmail.com>
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- Mark Brown <broonie@kernel.org>
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description:
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Any property defined as part of the core regulator binding, defined in
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regulator.yaml, can also be used. However a fixed voltage regulator is
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expected to have the regulator-min-microvolt and regulator-max-microvolt
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to be the same.
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allOf:
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- $ref: "regulator.yaml#"
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if:
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properties:
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compatible:
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contains:
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const: regulator-fixed-clock
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required:
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- clocks
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else:
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if:
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properties:
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compatible:
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contains:
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const: regulator-fixed-domain
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required:
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- power-domains
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- required-opps
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properties:
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compatible:
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enum:
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- regulator-fixed
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- regulator-fixed-clock
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- regulator-fixed-domain
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regulator-name: true
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gpio:
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description: gpio to use for enable control
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maxItems: 1
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clocks:
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description:
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clock to use for enable control. This binding is only available if
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the compatible is chosen to regulator-fixed-clock. The clock binding
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is mandatory if compatible is chosen to regulator-fixed-clock.
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maxItems: 1
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power-domains:
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deprecated: true
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description:
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Power domain to use for enable control. This binding is only
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available if the compatible is chosen to regulator-fixed-domain.
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maxItems: 1
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required-opps:
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deprecated: true
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description:
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Performance state to use for enable control. This binding is only
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available if the compatible is chosen to regulator-fixed-domain. The
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power-domain binding is mandatory if compatible is chosen to
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regulator-fixed-domain.
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maxItems: 1
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startup-delay-us:
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description: startup time in microseconds
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off-on-delay-us:
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description: off delay time in microseconds
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enable-active-high:
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description:
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Polarity of GPIO is Active high. If this property is missing,
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the default assumed is Active low.
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type: boolean
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gpio-open-drain:
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description:
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GPIO is open drain type. If this property is missing then default
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assumption is false.
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type: boolean
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vin-supply:
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description: Input supply phandle.
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required:
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- compatible
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- regulator-name
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unevaluatedProperties: false
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examples:
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- |
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reg_1v8: regulator-1v8 {
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compatible = "regulator-fixed";
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regulator-name = "1v8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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gpio = <&gpio1 16 0>;
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startup-delay-us = <70000>;
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enable-active-high;
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regulator-boot-on;
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gpio-open-drain;
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vin-supply = <&parent_reg>;
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};
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reg_1v8_clk: regulator-1v8-clk {
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compatible = "regulator-fixed-clock";
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regulator-name = "1v8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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clocks = <&clock1>;
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startup-delay-us = <70000>;
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enable-active-high;
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regulator-boot-on;
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vin-supply = <&parent_reg>;
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};
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reg_1v8_domain: regulator-1v8-domain {
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compatible = "regulator-fixed-domain";
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regulator-name = "1v8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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power-domains = <&domain1>;
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required-opps = <&domain1_state1>;
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startup-delay-us = <70000>;
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enable-active-high;
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regulator-boot-on;
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vin-supply = <&parent_reg>;
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};
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...
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