This is same scheme as fixed-regulator. Without that property used, the parent regulator can be shut down (if not an always on). Thus leading to inappropriate behavior: On am62-SP-SK this fix is required to avoid tps65219 ldo1 (SDMMC rail) to be shut down after boot completion. Signed-off-by: Jerome Neanne <jneanne@xxxxxxxxxxxx> --- .../devicetree/bindings/regulator/gpio-regulator.yaml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/regulator/gpio-regulator.yaml b/Documentation/devicetree/bindings/regulator/gpio-regulator.yaml index f7e3d8fd3b..6c3371d706 100644 --- a/Documentation/devicetree/bindings/regulator/gpio-regulator.yaml +++ b/Documentation/devicetree/bindings/regulator/gpio-regulator.yaml @@ -85,6 +85,9 @@ properties: - current default: voltage + vin-supply: + description: Input supply phandle. + required: - compatible - regulator-name -- 2.17.1