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[94.254.63.18]) by smtp.gmail.com with ESMTPSA id w28-20020ac2599c000000b004fb759964a9sm1132426lfn.168.2023.07.13.07.18.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Jul 2023 07:18:19 -0700 (PDT) From: Ulf Hansson To: Sudeep Holla , Cristian Marussi , Viresh Kumar , Nishanth Menon , Stephen Boyd Cc: Nikunj Kela , Prasad Sodagudi , Alexandre Torgue , Ulf Hansson , linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , devicetree@vger.kernel.org Subject: [PATCH v2 08/11] dt-bindings: firmware: arm,scmi: Extend bindings for protocol@13 Date: Thu, 13 Jul 2023 16:17:35 +0200 Message-Id: <20230713141738.23970-9-ulf.hansson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230713141738.23970-1-ulf.hansson@linaro.org> References: <20230713141738.23970-1-ulf.hansson@linaro.org> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1771315749986746995 X-GMAIL-MSGID: 1771315749986746995 The protocol@13 node is describing the performance scaling option for the ARM SCMI interface, as a clock provider. This is unnecessary limiting, as performance scaling is in many cases not limited to switching a clock's frequency. Therefore, let's extend the binding so the interface can be modelled as a generic performance domaintoo. The common way to describe this, is to use the "power-domain" DT bindings, so let's use that. Cc: Rob Herring Cc: Krzysztof Kozlowski Cc: Conor Dooley Cc: devicetree@vger.kernel.org Signed-off-by: Ulf Hansson --- Changes in v2: - Updated the DT binding to require "oneOf" #power-domain-cells or #clock-cells. --- .../devicetree/bindings/firmware/arm,scmi.yaml | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml index b138f3d23df8..563a87dfb31a 100644 --- a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml +++ b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml @@ -149,8 +149,15 @@ properties: '#clock-cells': const: 1 - required: - - '#clock-cells' + '#power-domain-cells': + const: 1 + + oneOf: + - required: + - '#clock-cells' + + - required: + - '#power-domain-cells' protocol@14: $ref: '#/$defs/protocol-node'