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-Qualcomm Technologies, Inc. KRYO CPUFreq and OPP bindings
-===================================
-
-In Certain Qualcomm Technologies, Inc. SoCs like apq8096 and msm8996
-that have KRYO processors, the CPU ferequencies subset and voltage value
-of each OPP varies based on the silicon variant in use.
-Qualcomm Technologies, Inc. Process Voltage Scaling Tables
-defines the voltage and frequency value based on the msm-id in SMEM
-and speedbin blown in the efuse combination.
-The qcom-cpufreq-kryo driver reads the msm-id and efuse value from the SoC
-to provide the OPP framework with required information (existing HW bitmap).
-This is used to determine the voltage and frequency value for each OPP of
-operating-points-v2 table when it is parsed by the OPP framework.
-
-Required properties:
---------------------
-In 'cpus' nodes:
-- operating-points-v2: Phandle to the operating-points-v2 table to use.
-
-In 'operating-points-v2' table:
-- compatible: Should be
- - 'operating-points-v2-kryo-cpu' for apq8096 and msm8996.
-- nvmem-cells: A phandle pointing to a nvmem-cells node representing the
- efuse registers that has information about the
- speedbin that is used to select the right frequency/voltage
- value pair.
- Please refer the for nvmem-cells
- bindings Documentation/devicetree/bindings/nvmem/nvmem.txt
- and also examples below.
-
-In every OPP node:
-- opp-supported-hw: A single 32 bit bitmap value, representing compatible HW.
- Bitmap:
- 0: MSM8996 V3, speedbin 0
- 1: MSM8996 V3, speedbin 1
- 2: MSM8996 V3, speedbin 2
- 3: unused
- 4: MSM8996 SG, speedbin 0
- 5: MSM8996 SG, speedbin 1
- 6: MSM8996 SG, speedbin 2
- 7-31: unused
-
-Example 1:
----------
-
- cpus {
- #address-cells = <2>;
- #size-cells = <0>;
-
- CPU0: cpu@0 {
- device_type = "cpu";
- compatible = "qcom,kryo";
- reg = <0x0 0x0>;
- enable-method = "psci";
- clocks = <&kryocc 0>;
- cpu-supply = <&pm8994_s11_saw>;
- operating-points-v2 = <&cluster0_opp>;
- #cooling-cells = <2>;
- next-level-cache = <&L2_0>;
- L2_0: l2-cache {
- compatible = "cache";
- cache-level = <2>;
- };
- };
-
- CPU1: cpu@1 {
- device_type = "cpu";
- compatible = "qcom,kryo";
- reg = <0x0 0x1>;
- enable-method = "psci";
- clocks = <&kryocc 0>;
- cpu-supply = <&pm8994_s11_saw>;
- operating-points-v2 = <&cluster0_opp>;
- #cooling-cells = <2>;
- next-level-cache = <&L2_0>;
- };
-
- CPU2: cpu@100 {
- device_type = "cpu";
- compatible = "qcom,kryo";
- reg = <0x0 0x100>;
- enable-method = "psci";
- clocks = <&kryocc 1>;
- cpu-supply = <&pm8994_s11_saw>;
- operating-points-v2 = <&cluster1_opp>;
- #cooling-cells = <2>;
- next-level-cache = <&L2_1>;
- L2_1: l2-cache {
- compatible = "cache";
- cache-level = <2>;
- };
- };
-
- CPU3: cpu@101 {
- device_type = "cpu";
- compatible = "qcom,kryo";
- reg = <0x0 0x101>;
- enable-method = "psci";
- clocks = <&kryocc 1>;
- cpu-supply = <&pm8994_s11_saw>;
- operating-points-v2 = <&cluster1_opp>;
- #cooling-cells = <2>;
- next-level-cache = <&L2_1>;
- };
-
- cpu-map {
- cluster0 {
- core0 {
- cpu = <&CPU0>;
- };
-
- core1 {
- cpu = <&CPU1>;
- };
- };
-
- cluster1 {
- core0 {
- cpu = <&CPU2>;
- };
-
- core1 {
- cpu = <&CPU3>;
- };
- };
- };
- };
-
- cluster0_opp: opp_table0 {
- compatible = "operating-points-v2-kryo-cpu";
- nvmem-cells = <&speedbin_efuse>;
- opp-shared;
-
- opp-307200000 {
- opp-hz = /bits/ 64 <307200000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x77>;
- clock-latency-ns = <200000>;
- };
- opp-384000000 {
- opp-hz = /bits/ 64 <384000000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-422400000 {
- opp-hz = /bits/ 64 <422400000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-460800000 {
- opp-hz = /bits/ 64 <460800000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-480000000 {
- opp-hz = /bits/ 64 <480000000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-537600000 {
- opp-hz = /bits/ 64 <537600000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-556800000 {
- opp-hz = /bits/ 64 <556800000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-614400000 {
- opp-hz = /bits/ 64 <614400000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-652800000 {
- opp-hz = /bits/ 64 <652800000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-691200000 {
- opp-hz = /bits/ 64 <691200000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-729600000 {
- opp-hz = /bits/ 64 <729600000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-768000000 {
- opp-hz = /bits/ 64 <768000000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-844800000 {
- opp-hz = /bits/ 64 <844800000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x77>;
- clock-latency-ns = <200000>;
- };
- opp-902400000 {
- opp-hz = /bits/ 64 <902400000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-960000000 {
- opp-hz = /bits/ 64 <960000000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-979200000 {
- opp-hz = /bits/ 64 <979200000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-1036800000 {
- opp-hz = /bits/ 64 <1036800000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-1056000000 {
- opp-hz = /bits/ 64 <1056000000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-1113600000 {
- opp-hz = /bits/ 64 <1113600000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-1132800000 {
- opp-hz = /bits/ 64 <1132800000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-1190400000 {
- opp-hz = /bits/ 64 <1190400000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-1209600000 {
- opp-hz = /bits/ 64 <1209600000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-1228800000 {
- opp-hz = /bits/ 64 <1228800000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-1286400000 {
- opp-hz = /bits/ 64 <1286400000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-1324800000 {
- opp-hz = /bits/ 64 <1324800000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x5>;
- clock-latency-ns = <200000>;
- };
- opp-1363200000 {
- opp-hz = /bits/ 64 <1363200000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x72>;
- clock-latency-ns = <200000>;
- };
- opp-1401600000 {
- opp-hz = /bits/ 64 <1401600000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x5>;
- clock-latency-ns = <200000>;
- };
- opp-1440000000 {
- opp-hz = /bits/ 64 <1440000000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-1478400000 {
- opp-hz = /bits/ 64 <1478400000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x1>;
- clock-latency-ns = <200000>;
- };
- opp-1497600000 {
- opp-hz = /bits/ 64 <1497600000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x4>;
- clock-latency-ns = <200000>;
- };
- opp-1516800000 {
- opp-hz = /bits/ 64 <1516800000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-1593600000 {
- opp-hz = /bits/ 64 <1593600000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x71>;
- clock-latency-ns = <200000>;
- };
- opp-1996800000 {
- opp-hz = /bits/ 64 <1996800000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x20>;
- clock-latency-ns = <200000>;
- };
- opp-2188800000 {
- opp-hz = /bits/ 64 <2188800000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x10>;
- clock-latency-ns = <200000>;
- };
- };
-
- cluster1_opp: opp_table1 {
- compatible = "operating-points-v2-kryo-cpu";
- nvmem-cells = <&speedbin_efuse>;
- opp-shared;
-
- opp-307200000 {
- opp-hz = /bits/ 64 <307200000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x77>;
- clock-latency-ns = <200000>;
- };
- opp-384000000 {
- opp-hz = /bits/ 64 <384000000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-403200000 {
- opp-hz = /bits/ 64 <403200000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-460800000 {
- opp-hz = /bits/ 64 <460800000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-480000000 {
- opp-hz = /bits/ 64 <480000000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-537600000 {
- opp-hz = /bits/ 64 <537600000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-556800000 {
- opp-hz = /bits/ 64 <556800000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-614400000 {
- opp-hz = /bits/ 64 <614400000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-652800000 {
- opp-hz = /bits/ 64 <652800000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-691200000 {
- opp-hz = /bits/ 64 <691200000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-729600000 {
- opp-hz = /bits/ 64 <729600000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-748800000 {
- opp-hz = /bits/ 64 <748800000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-806400000 {
- opp-hz = /bits/ 64 <806400000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-825600000 {
- opp-hz = /bits/ 64 <825600000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-883200000 {
- opp-hz = /bits/ 64 <883200000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-902400000 {
- opp-hz = /bits/ 64 <902400000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-940800000 {
- opp-hz = /bits/ 64 <940800000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-979200000 {
- opp-hz = /bits/ 64 <979200000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-1036800000 {
- opp-hz = /bits/ 64 <1036800000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-1056000000 {
- opp-hz = /bits/ 64 <1056000000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-1113600000 {
- opp-hz = /bits/ 64 <1113600000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-1132800000 {
- opp-hz = /bits/ 64 <1132800000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-1190400000 {
- opp-hz = /bits/ 64 <1190400000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-1209600000 {
- opp-hz = /bits/ 64 <1209600000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-1248000000 {
- opp-hz = /bits/ 64 <1248000000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-1286400000 {
- opp-hz = /bits/ 64 <1286400000>;
- opp-microvolt = <905000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-1324800000 {
- opp-hz = /bits/ 64 <1324800000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-1363200000 {
- opp-hz = /bits/ 64 <1363200000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-1401600000 {
- opp-hz = /bits/ 64 <1401600000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-1440000000 {
- opp-hz = /bits/ 64 <1440000000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-1478400000 {
- opp-hz = /bits/ 64 <1478400000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-1516800000 {
- opp-hz = /bits/ 64 <1516800000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-1555200000 {
- opp-hz = /bits/ 64 <1555200000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-1593600000 {
- opp-hz = /bits/ 64 <1593600000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-1632000000 {
- opp-hz = /bits/ 64 <1632000000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-1670400000 {
- opp-hz = /bits/ 64 <1670400000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-1708800000 {
- opp-hz = /bits/ 64 <1708800000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-1747200000 {
- opp-hz = /bits/ 64 <1747200000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x70>;
- clock-latency-ns = <200000>;
- };
- opp-1785600000 {
- opp-hz = /bits/ 64 <1785600000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x7>;
- clock-latency-ns = <200000>;
- };
- opp-1804800000 {
- opp-hz = /bits/ 64 <1804800000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x6>;
- clock-latency-ns = <200000>;
- };
- opp-1824000000 {
- opp-hz = /bits/ 64 <1824000000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x71>;
- clock-latency-ns = <200000>;
- };
- opp-1900800000 {
- opp-hz = /bits/ 64 <1900800000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x74>;
- clock-latency-ns = <200000>;
- };
- opp-1920000000 {
- opp-hz = /bits/ 64 <1920000000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x1>;
- clock-latency-ns = <200000>;
- };
- opp-1977600000 {
- opp-hz = /bits/ 64 <1977600000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x30>;
- clock-latency-ns = <200000>;
- };
- opp-1996800000 {
- opp-hz = /bits/ 64 <1996800000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x1>;
- clock-latency-ns = <200000>;
- };
- opp-2054400000 {
- opp-hz = /bits/ 64 <2054400000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x30>;
- clock-latency-ns = <200000>;
- };
- opp-2073600000 {
- opp-hz = /bits/ 64 <2073600000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x1>;
- clock-latency-ns = <200000>;
- };
- opp-2150400000 {
- opp-hz = /bits/ 64 <2150400000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x31>;
- clock-latency-ns = <200000>;
- };
- opp-2246400000 {
- opp-hz = /bits/ 64 <2246400000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x10>;
- clock-latency-ns = <200000>;
- };
- opp-2342400000 {
- opp-hz = /bits/ 64 <2342400000>;
- opp-microvolt = <1140000 905000 1140000>;
- opp-supported-hw = <0x10>;
- clock-latency-ns = <200000>;
- };
- };
-
-....
-
-reserved-memory {
- #address-cells = <2>;
- #size-cells = <2>;
- ranges;
-....
- smem_mem: smem-mem@86000000 {
- reg = <0x0 0x86000000 0x0 0x200000>;
- no-map;
- };
-....
-};
-
-smem {
- compatible = "qcom,smem";
- memory-region = <&smem_mem>;
- hwlocks = <&tcsr_mutex 3>;
-};
-
-soc {
-....
- qfprom: qfprom@74000 {
- compatible = "qcom,qfprom";
- reg = <0x00074000 0x8ff>;
- #address-cells = <1>;
- #size-cells = <1>;
- ....
- speedbin_efuse: speedbin@133 {
- reg = <0x133 0x1>;
- bits = <5 3>;
- };
- };
-};
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.