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[93.34.92.88]) by smtp.googlemail.com with ESMTPSA id h11-20020a05600c314b00b003db2e3f2c7csm5284292wmo.0.2023.01.20.16.01.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Jan 2023 16:01:53 -0800 (PST) From: Christian Marangi To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Ilia Lin , "Rafael J. Wysocki" , Viresh Kumar , Rob Herring , Krzysztof Kozlowski , Nishanth Menon , Stephen Boyd , Yassine Oudjana , linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Christian Marangi Subject: [PATCH 2/3] dt-bindings: opp: opp-v2-kryo-cpu: add opp-microvolt nvmem based Date: Sat, 21 Jan 2023 01:01:45 +0100 Message-Id: <20230121000146.7809-2-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230121000146.7809-1-ansuelsmth@gmail.com> References: <20230121000146.7809-1-ansuelsmth@gmail.com> 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,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham 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: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1755588615531769058?= X-GMAIL-MSGID: =?utf-8?q?1755588615531769058?= The operating-points-v2-kryo-cpu driver supports defining multiple opp-microvolt based on the blown efuses in the soc. It consist of 3 values that are parsed: speedbin, psv and version. They are all appended to the opp-microvolt name and selected by the nvmem driver and loaded dynamically at runtime. Example: opp-microvolt-speed0-pvs0-v0 = <1050000 997500 1102500>; opp-microvolt-speed0-pvs1-v0 = <975000 926250 1023750>; opp-microvolt-speed0-pvs2-v0 = <925000 878750 971250>; opp-microvolt-speed0-pvs3-v0 = <850000 807500 892500>; Add support for this and reject these special binding if we don't have a nvmem-cell to read data from. Signed-off-by: Christian Marangi --- .../devicetree/bindings/opp/opp-v2-kryo-cpu.yaml | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml b/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml index b4947b326773..cea932339faf 100644 --- a/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml +++ b/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml @@ -61,6 +61,17 @@ patternProperties: required-opps: true + patternProperties: + '^opp-microvolt-speed[0-9]-pvs[0-9]-v[0-9]$': + description: | + Assign a microvolt value to the opp hz based on the efuses value from + speedbin, pvs and version value read from the provided nvmem cell. + minItems: 1 + maxItems: 8 # Should be enough regulators + items: + minItems: 1 + maxItems: 3 + required: - opp-hz @@ -75,6 +86,11 @@ then: '^opp-?[0-9]+$': required: - opp-supported-hw +else: + patternProperties: + '^opp-?[0-9]+$': + patternProperties: + '^opp-microvolt-speed[0-9]-pvs[0-9]-v[0-9]$': false additionalProperties: false