regulator: da9211: Document allowed modes

This patch adds a description of how operating modes may be specified.

Signed-off-by: Anand K Mistry <amistry@google.com>
Link: https://lore.kernel.org/r/20200702131350.2.I6131e251d13f60d8c5347bb4faa9dc2364c87848@changeid
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/Documentation/devicetree/bindings/regulator/da9211.txt b/Documentation/devicetree/bindings/regulator/da9211.txt
index 27717e816e7134460a6aca8b691d51235d9bb09a..eb871447d508297757fa77665b47fb53aed9dcb5 100644 (file)
--- a/Documentation/devicetree/bindings/regulator/da9211.txt
+++ b/Documentation/devicetree/bindings/regulator/da9211.txt
@@ -15,6 +15,8 @@ Required properties:
 Optional properties:
 - enable-gpios: platform gpio for control of BUCKA/BUCKB.
 - Any optional property defined in regulator.txt
+  - regulator-initial-mode and regulator-allowed-modes may be specified using
+    mode values from dt-bindings/regulator/dlg,da9211-regulator.h
 
 Example 1) DA9211
        pmic: da9211@68 {
@@ -30,6 +32,8 @@ Example 1) DA9211
                                regulator-min-microamp  = <2000000>;
                                regulator-max-microamp  = <5000000>;
                                enable-gpios = <&gpio 27 0>;
+                               regulator-allowed-modes = <DA9211_BUCK_MODE_SYNC
+                                                          DA9211_BUCK_MODE_AUTO>;
                        };
                };
        };