[PATCH v3 2/4] dt-bindings: regulator: mp886x: support mps,switch-frequency-hz

[Jisheng Zhang]

Both MP8867 and MP8869 support different switch frequency.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@xxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/regulator/mp886x.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/regulator/mp886x.txt b/Documentation/devicetree/bindings/regulator/mp886x.txt
index 551867829459..b05307bbb0d9 100644
--- a/Documentation/devicetree/bindings/regulator/mp886x.txt
+++ b/Documentation/devicetree/bindings/regulator/mp886x.txt
@@ -9,6 +9,10 @@ Required properties:
 - mps,fb-voltage-divider: An array of two integers containing the resistor
   values R1 and R2 of the feedback voltage divider in kilo ohms.
 
+Optional properties:
+- mps,switch-frequency-hz: The valid switch frequency in Hertz. Available values
+  are: 500000, 750000, 1000000, 1250000, 1500000
+
 Any property defined as part of the core regulator binding, defined in
 ./regulator.txt, can also be used.
 
-- 
2.28.0