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Message-Id: <20230825112633.236607-9-ulf.hansson@linaro.org>
Date:   Fri, 25 Aug 2023 13:26:28 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Sudeep Holla <sudeep.holla@....com>,
        Cristian Marussi <cristian.marussi@....com>,
        Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     Nikunj Kela <nkela@...cinc.com>,
        Prasad Sodagudi <psodagud@...cinc.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Ulf Hansson <ulf.hansson@...aro.org>, linux-pm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Subject: [PATCH v3 08/13] dt-bindings: arm: cpus: Add a power-domain-name for a performance-domain

When an CPU's performance domain is managed through the SCMI firmware,
let's enable us describe this as a consumer of a power-domain provider,
which is the de-facto standard to use for performance domains. In this
case, let's specify a corresponding power-domain-name, to point out the
corresponding index for it.

Cc: Rob Herring <robh+dt@...nel.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc: Conor Dooley <conor+dt@...nel.org>
Cc: devicetree@...r.kernel.org
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
---

Changes in v3:
	- New patch.

---
 Documentation/devicetree/bindings/arm/cpus.yaml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/arm/cpus.yaml b/Documentation/devicetree/bindings/arm/cpus.yaml
index 9e6a45eea4e5..d51e6250d6e3 100644
--- a/Documentation/devicetree/bindings/arm/cpus.yaml
+++ b/Documentation/devicetree/bindings/arm/cpus.yaml
@@ -305,7 +305,9 @@ properties:
       power-domains property.
 
       For PSCI based platforms, the name corresponding to the index of the PSCI
-      PM domain provider, must be "psci".
+      PM domain provider, must be "psci". For SCMI based platforms, the name
+      corresponding to the index of an SCMI performance domain provider, must be
+      "perf".
 
   qcom,saw:
     $ref: /schemas/types.yaml#/definitions/phandle
-- 
2.34.1

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