Since there is no way to check is ldo is adjustable or not.
'richtek,use-fix-dvs' is added for that. user is supposed to know whether vout of ldo is adjustable.
Signed-off-by: Alina Yu <alina_yu@xxxxxxxxxxx>
---
.../devicetree/bindings/regulator/richtek,rtq2208.yaml | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/Documentation/devicetree/bindings/regulator/richtek,rtq2208.yaml b/Documentation/devicetree/bindings/regulator/richtek,rtq2208.yaml
index 609c066..3951679 100644
--- a/Documentation/devicetree/bindings/regulator/richtek,rtq2208.yaml
+++ b/Documentation/devicetree/bindings/regulator/richtek,rtq2208.yaml
@@ -75,6 +75,14 @@ properties:
description:
regulator description for ldo[1-2].
+ properties:
+ richtek,use-fix-dvs:
+ type: boolean
+ description: |
+ ldo vout ability is determined by this setting. If it's set, 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
@@ -180,6 +188,7 @@ examples:
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-always-on;
+ richtek,use-fix-dvs;
regulator-state-mem {
regulator-on-in-suspend;
};
@@ -188,6 +197,7 @@ examples:
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
+ richtek,use-fix-dvs;
regulator-state-mem {
regulator-on-in-suspend;
};
--
2.7.4
