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dt-bindings: mfd: dlg,da9063: Document voltage monitoring

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Document that the da9063 only provides under- *and* over-voltage
monitoring in one, and therefore requires both to be configured with the
same severity and value. Add an example for clarification.

Signed-off-by: Benjamin Bara <benjamin.bara@skidata.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230403-da9063-disable-unused-v3-3-cc4dc698864c@skidata.com
This commit is contained in:
Benjamin Bara 2023-04-05 19:14:36 +02:00 • committed by Lee Jones
parent 378b0e9f24
commit 1706636eaf
1 changed files with 15 additions and 2 deletions
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17
Documentation/devicetree/bindings/mfd/dlg,da9063.yaml
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@ -12,6 +12,11 @@ maintainers:
description: |
For device-tree bindings of other sub-modules refer to the binding documents
under the respective sub-system directories.
Using regulator-{uv,ov}-{warn,error,protection}-microvolt requires special
handling: First, when GP_FB2 is used, it must be ensured that there is no
moment where all voltage monitors are disabled. Next, as da9063 only supports
UV *and* OV monitoring, both must be set to the same severity and value
(0: disable, 1: enable).
properties:
compatible:
@ -121,11 +126,19 @@ examples:
regulator-max-microamp = <2000000>;
regulator-boot-on;
};
ldo6 {
/* UNUSED */
regulator-name = "LDO_6";
regulator-uv-protection-microvolt = <0>;
regulator-ov-protection-microvolt = <0>;
};
ldo11 {
regulator-name = "LDO_11";
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <3600000>;
regulator-boot-on;
regulator-max-microvolt = <900000>;
regulator-uv-protection-microvolt = <1>;
regulator-ov-protection-microvolt = <1>;
regulator-always-on;
};
};
};