regulator: pca9450: Add sd-vsel GPIO

Add the binding documentation for the optional sd-vsel GPIO.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Link: https://lore.kernel.org/r/20210211105534.38972-2-frieder.schrempf@kontron.de
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml b/Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml
index c2b0a8b..f70f2e7 100644 (file)
--- a/Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml
+++ b/Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml
@@ -87,6 +87,11 @@ properties:
 
     additionalProperties: false
 
+  sd-vsel-gpios:
+    description: GPIO that is used to switch LDO5 between being configured by
+      LDO5CTRL_L or LDO5CTRL_H register. Use this if the SD_VSEL signal is
+      connected to a host GPIO.
+
 required:
   - compatible
   - reg