Since there is no way to check is ldo is adjustable or not.
As discussing in v2 series, 'richtek,fixed-microvolt' is added for that.
user is supposed to know whether vout of ldo is adjustable.
Signed-off-by: Alina Yu <alina_yu@xxxxxxxxxxx>
---
Documentation/devicetree/bindings/regulator/richtek,rtq2208.yaml | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/Documentation/devicetree/bindings/regulator/richtek,rtq2208.yaml b/Documentation/devicetree/bindings/regulator/richtek,rtq2208.yaml
index 609c066..6212f44 100644
--- a/Documentation/devicetree/bindings/regulator/richtek,rtq2208.yaml
+++ b/Documentation/devicetree/bindings/regulator/richtek,rtq2208.yaml
@@ -75,6 +75,13 @@ properties:
description:
regulator description for ldo[1-2].
+ properties:
+ richtek,fixed-microvolt:
+ description: |
+ If it exists, the voltage is unadjustable.
+ There is no risk-free method for software to determine whether the ldo vout is fixed or not.
+ Therefore, it can only be done in this way.
+
required:
- compatible
- reg
@@ -177,6 +184,7 @@ examples:
};
};
ldo1 {
+ richtek,fixed-microvolt = <1200000>;
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-always-on;
--
2.7.4
