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([188.252.220.210]) by smtp.googlemail.com with ESMTPSA id g15-20020a170906348f00b009c3f8f46c22sm2378007ejb.77.2023.10.16.10.55.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Oct 2023 10:55:37 -0700 (PDT) From: Robert Marko To: agross@kernel.org, andersson@kernel.org, konrad.dybcio@linaro.org, ilia.lin@kernel.org, rafael@kernel.org, viresh.kumar@linaro.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Robert Marko Subject: [PATCH 3/3] arm64: dts: qcom: ipq6018: use CPUFreq NVMEM Date: Mon, 16 Oct 2023 19:55:17 +0200 Message-ID: <20231016175532.2081344-3-robimarko@gmail.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231016175532.2081344-1-robimarko@gmail.com> References: <20231016175532.2081344-1-robimarko@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (groat.vger.email [0.0.0.0]); Mon, 16 Oct 2023 10:56:28 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1779935734164575129 X-GMAIL-MSGID: 1779935734164575129 IPQ6018 comes in multiple SKU-s and some of them dont support all of the OPP-s that are current set, so lets utilize CPUFreq NVMEM to allow only supported OPP-s based on the SoC dynamically. As an example, IPQ6018 is generaly rated at 1.8GHz but some silicon only goes up to 1.5GHz and is marked as such via an eFuse. Signed-off-by: Robert Marko Reviewed-by: Konrad Dybcio --- arch/arm64/boot/dts/qcom/ipq6018.dtsi | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi index 9aec89d5e095b..49f0e6aa4b5bb 100644 --- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi @@ -96,42 +96,49 @@ scm { }; cpu_opp_table: opp-table-cpu { - compatible = "operating-points-v2"; + compatible = "operating-points-v2-kryo-cpu"; + nvmem-cells = <&cpu_speed_bin>; opp-shared; opp-864000000 { opp-hz = /bits/ 64 <864000000>; opp-microvolt = <725000>; + opp-supported-hw = <0xf>; clock-latency-ns = <200000>; }; opp-1056000000 { opp-hz = /bits/ 64 <1056000000>; opp-microvolt = <787500>; + opp-supported-hw = <0xf>; clock-latency-ns = <200000>; }; opp-1320000000 { opp-hz = /bits/ 64 <1320000000>; opp-microvolt = <862500>; + opp-supported-hw = <0x3>; clock-latency-ns = <200000>; }; opp-1440000000 { opp-hz = /bits/ 64 <1440000000>; opp-microvolt = <925000>; + opp-supported-hw = <0x3>; clock-latency-ns = <200000>; }; opp-1608000000 { opp-hz = /bits/ 64 <1608000000>; opp-microvolt = <987500>; + opp-supported-hw = <0x1>; clock-latency-ns = <200000>; }; opp-1800000000 { opp-hz = /bits/ 64 <1800000000>; opp-microvolt = <1062500>; + opp-supported-hw = <0x1>; clock-latency-ns = <200000>; }; }; @@ -314,6 +321,11 @@ qfprom: efuse@a4000 { reg = <0x0 0x000a4000 0x0 0x2000>; #address-cells = <1>; #size-cells = <1>; + + cpu_speed_bin: cpu_speed_bin@135 { + reg = <0x135 0x1>; + bits = <7 1>; + }; }; prng: qrng@e3000 {