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Date:   Mon, 25 Oct 2021 00:57:18 +0300
From:   Dmitry Osipenko <>
To:     Viresh Kumar <>, Stephen Boyd <>,
        Nishanth Menon <>, Rob Herring <>,
        David Heidelberg <>,
        Thierry Reding <>,
        Jonathan Hunter <>
Subject: [PATCH v3] dt-bindings: opp: Allow multi-worded OPP entry names

Not all OPP entries fit into a single word. In particular NVIDIA Tegra OPP
tables use multi-word names where first part is freq and second voltage
because different hardware versions use different voltages for the same
freqs. Allow OPP entry to have multi-worded name separated by hyphen.
This silences DT checker warnings about wrong naming scheme.

Reviewed-by: David Heidelberg <>
Signed-off-by: Dmitry Osipenko <>


v3: - Viresh Kumar suggested that we shouldn't support postfix variant.
      I dropped variant with postfix naming scheme and multi-wording
      support of table names.

v2: - In addition to a multi-wording support, support of the postfix
      *-opp-table naming scheme is added to the updated pattern.

 Documentation/devicetree/bindings/opp/opp-v2-base.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/opp/opp-v2-base.yaml b/Documentation/devicetree/bindings/opp/opp-v2-base.yaml
index ae3ae4d39843..f79343960539 100644
--- a/Documentation/devicetree/bindings/opp/opp-v2-base.yaml
+++ b/Documentation/devicetree/bindings/opp/opp-v2-base.yaml
@@ -33,7 +33,7 @@ properties:
     type: boolean
-  '^opp-?[0-9]+$':
+  '^opp(-[0-9]+)*$':
     type: object
       One or more OPP nodes describing voltage-current-frequency combinations.

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