[RFC PATCH v2 2/6] dt-bindings: opp: accept array of frequencies

[Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>]

Devices might need to control several clocks when scaling the frequency
and voltage.  Allow passing array of clock frequencies, similarly to the
voltages.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 Documentation/devicetree/bindings/opp/opp-v2-base.yaml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/opp/opp-v2-base.yaml b/Documentation/devicetree/bindings/opp/opp-v2-base.yaml
index 76c8acd981b3..1d7216008f95 100644
--- a/Documentation/devicetree/bindings/opp/opp-v2-base.yaml
+++ b/Documentation/devicetree/bindings/opp/opp-v2-base.yaml
@@ -50,6 +50,14 @@ patternProperties:
           property to uniquely identify the OPP nodes exists. Devices like power
           domains must have another (implementation dependent) property.
 
+          This can be also an array of frequencies for each clock provided to the
+          device.  In such case value of 0 means the clock frequency should not
+          be configured for given clock.
+        minItems: 1
+        maxItems: 16
+        items:
+          maxItems: 1
+
       opp-microvolt:
         description: |
           Voltage for the OPP
-- 
2.32.0