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Wysocki" , Georgi Djakov Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-pm@vger.kernel.org, linux-clk@vger.kernel.org, Christian Marangi , Stephan Gerhold Subject: [PATCH v2 17/26] ARM: dts: qcom: apq8064: add simple CPUFreq support Date: Sun, 25 Jun 2023 23:25:38 +0300 Message-Id: <20230625202547.174647-18-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230625202547.174647-1-dmitry.baryshkov@linaro.org> References: <20230625202547.174647-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Declare CPU frequency-scaling properties. Each CPU has its own clock, how all CPUs have the same OPP table. Voltage scaling is not (yet) enabled with this patch. It will be enabled later. Signed-off-by: Dmitry Baryshkov --- arch/arm/boot/dts/qcom/qcom-apq8064.dtsi | 170 +++++++++++++++++++++++ 1 file changed, 170 insertions(+) diff --git a/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi index ac07170c702f..e4d2fd48d843 100644 --- a/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi +++ b/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi @@ -2,11 +2,13 @@ /dts-v1/; #include +#include #include #include #include #include #include +#include #include #include / { @@ -45,6 +47,12 @@ CPU0: cpu@0 { qcom,acc = <&acc0>; qcom,saw = <&saw0>; cpu-idle-states = <&CPU_SPC>; + clocks = <&kraitcc KRAIT_CPU_0>; + clock-names = "cpu"; + clock-latency = <100000>; + interconnects = <&L2 MASTER_KRAIT_L2 &L2 SLAVE_KRAIT_L2>; + operating-points-v2 = <&cpu_opp_table>; + #cooling-cells = <2>; }; CPU1: cpu@1 { @@ -56,6 +64,12 @@ CPU1: cpu@1 { qcom,acc = <&acc1>; qcom,saw = <&saw1>; cpu-idle-states = <&CPU_SPC>; + clocks = <&kraitcc KRAIT_CPU_1>; + clock-names = "cpu"; + clock-latency = <100000>; + interconnects = <&L2 MASTER_KRAIT_L2 &L2 SLAVE_KRAIT_L2>; + operating-points-v2 = <&cpu_opp_table>; + #cooling-cells = <2>; }; CPU2: cpu@2 { @@ -67,6 +81,12 @@ CPU2: cpu@2 { qcom,acc = <&acc2>; qcom,saw = <&saw2>; cpu-idle-states = <&CPU_SPC>; + clocks = <&kraitcc KRAIT_CPU_2>; + clock-names = "cpu"; + clock-latency = <100000>; + interconnects = <&L2 MASTER_KRAIT_L2 &L2 SLAVE_KRAIT_L2>; + operating-points-v2 = <&cpu_opp_table>; + #cooling-cells = <2>; }; CPU3: cpu@3 { @@ -78,6 +98,12 @@ CPU3: cpu@3 { qcom,acc = <&acc3>; qcom,saw = <&saw3>; cpu-idle-states = <&CPU_SPC>; + clocks = <&kraitcc KRAIT_CPU_3>; + clock-names = "cpu"; + clock-latency = <100000>; + interconnects = <&L2 MASTER_KRAIT_L2 &L2 SLAVE_KRAIT_L2>; + operating-points-v2 = <&cpu_opp_table>; + #cooling-cells = <2>; }; L2: l2-cache { @@ -196,6 +222,121 @@ CPU_SPC: spc { }; }; + cpu_opp_table: opp-table-cpu { + compatible = "operating-points-v2-krait-cpu"; + nvmem-cells = <&speedbin_efuse>; + + /* + * Voltage thresholds are + */ + opp-384000000 { + opp-hz = /bits/ 64 <384000000>; + opp-peak-kBps = <384000>; + opp-supported-hw = <0x4007>; + /* + * higher latency as it requires switching between + * clock sources + */ + clock-latency-ns = <244144>; + }; + + opp-486000000 { + opp-hz = /bits/ 64 <486000000>; + opp-peak-kBps = <648000>; + opp-supported-hw = <0x4007>; + }; + + opp-594000000 { + opp-hz = /bits/ 64 <594000000>; + opp-peak-kBps = <648000>; + opp-supported-hw = <0x4007>; + }; + + opp-702000000 { + opp-hz = /bits/ 64 <702000000>; + opp-peak-kBps = <648000>; + opp-supported-hw = <0x4007>; + }; + + opp-810000000 { + opp-hz = /bits/ 64 <810000000>; + opp-peak-kBps = <648000>; + opp-supported-hw = <0x4007>; + }; + + opp-918000000 { + opp-hz = /bits/ 64 <918000000>; + opp-peak-kBps = <648000>; + opp-supported-hw = <0x4007>; + }; + + opp-1026000000 { + opp-hz = /bits/ 64 <1026000000>; + opp-peak-kBps = <648000>; + opp-supported-hw = <0x4007>; + }; + + opp-1134000000 { + opp-hz = /bits/ 64 <1134000000>; + opp-peak-kBps = <1134000>; + opp-supported-hw = <0x4007>; + }; + + opp-1242000000 { + opp-hz = /bits/ 64 <1242000000>; + opp-peak-kBps = <1134000>; + opp-supported-hw = <0x4007>; + }; + + opp-1350000000 { + opp-hz = /bits/ 64 <1350000000>; + opp-peak-kBps = <1134000>; + opp-supported-hw = <0x4007>; + }; + + opp-1458000000 { + opp-hz = /bits/ 64 <1458000000>; + opp-peak-kBps = <1134000>; + opp-supported-hw = <0x4007>; + }; + + opp-1512000000 { + opp-hz = /bits/ 64 <1512000000>; + opp-peak-kBps = <1134000>; + opp-supported-hw = <0x4001>; + }; + + opp-1566000000 { + opp-hz = /bits/ 64 <1566000000>; + opp-peak-kBps = <1134000>; + opp-supported-hw = <0x06>; + }; + + opp-1674000000 { + opp-hz = /bits/ 64 <1674000000>; + opp-peak-kBps = <1134000>; + opp-supported-hw = <0x06>; + }; + + opp-1728000000 { + opp-hz = /bits/ 64 <1728000000>; + opp-peak-kBps = <1134000>; + opp-supported-hw = <0x02>; + }; + + opp-1782000000 { + opp-hz = /bits/ 64 <1782000000>; + opp-peak-kBps = <1134000>; + opp-supported-hw = <0x04>; + }; + + opp-1890000000 { + opp-hz = /bits/ 64 <1890000000>; + opp-peak-kBps = <1134000>; + opp-supported-hw = <0x04>; + }; + }; + memory@0 { device_type = "memory"; reg = <0x0 0x0>; @@ -312,6 +453,32 @@ sleep_clk: sleep_clk { }; }; + kraitcc: clock-controller { + compatible = "qcom,krait-cc-v1"; + clocks = <&gcc PLL9>, /* hfpll0 */ + <&gcc PLL10>, /* hfpll1 */ + <&gcc PLL16>, /* hfpll2 */ + <&gcc PLL17>, /* hfpll3 */ + <&gcc PLL12>, /* hfpll_l2 */ + <&acc0>, + <&acc1>, + <&acc2>, + <&acc3>, + <&l2cc>; + clock-names = "hfpll0", + "hfpll1", + "hfpll2", + "hfpll3", + "hfpll_l2", + "acpu0_aux", + "acpu1_aux", + "acpu2_aux", + "acpu3_aux", + "acpu_l2_aux"; + #clock-cells = <1>; + #interconnect-cells = <1>; + }; + sfpb_mutex: hwmutex { compatible = "qcom,sfpb-mutex"; syscon = <&sfpb_wrapper_mutex 0x604 0x4>; @@ -933,6 +1100,9 @@ qfprom: qfprom@700000 { #address-cells = <1>; #size-cells = <1>; ranges; + speedbin_efuse: speedbin@c0 { + reg = <0x0c0 0x4>; + }; tsens_calib: calib@404 { reg = <0x404 0x10>; }; -- 2.39.2