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/linux-6.8/Documentation/devicetree/bindings/thermal/
Dqcom-lmh.yaml5 $id: http://devicetree.org/schemas/thermal/qcom-lmh.yaml#
8 title: Qualcomm Limits Management Hardware(LMh)
14 Limits Management Hardware(LMh) is a hardware infrastructure on some
21 - qcom,sc8180x-lmh
22 - qcom,sdm845-lmh
23 - qcom,sm8150-lmh
39 phandle of the first cpu in the LMh cluster
42 qcom,lmh-temp-arm-millicelsius:
44 An integer expressing temperature threshold at which the LMh thermal
47 qcom,lmh-temp-low-millicelsius:
[all …]
/linux-6.8/drivers/thermal/qcom/
Dlmh.c68 .name = "lmh",
112 ret = of_property_read_u32(np, "qcom,lmh-temp-high-millicelsius", &temp_high); in lmh_probe()
114 dev_err(dev, "missing qcom,lmh-temp-high-millicelsius property\n"); in lmh_probe()
118 ret = of_property_read_u32(np, "qcom,lmh-temp-low-millicelsius", &temp_low); in lmh_probe()
120 dev_err(dev, "missing qcom,lmh-temp-low-millicelsius property\n"); in lmh_probe()
124 ret = of_property_read_u32(np, "qcom,lmh-temp-arm-millicelsius", &temp_arm); in lmh_probe()
126 dev_err(dev, "missing qcom,lmh-temp-arm-millicelsius property\n"); in lmh_probe()
131 * Only sdm845 has lmh hardware currently enabled from hlos. If this is needed in lmh_probe()
140 dev_err(dev, "Wrong CPU id associated with LMh node\n"); in lmh_probe()
212 "lmh-irq", lmh_data); in lmh_probe()
[all …]
DKconfig40 hardware(LMh). LMh allows for hardware-enforced mitigation for cpus based on
42 LMh is configured in the firmware and this feature need not be enabled.
43 However, on certain SoCs like sdm845 LMh has to be configured from kernel.
DMakefile8 obj-$(CONFIG_QCOM_LMH) += lmh.o
/linux-6.8/drivers/soc/qcom/
Dramp_controller.c41 * @num_lmh_sids: Number of LMh SIDs (max 8)
210 /* Program LMH, DFS, Link SIDs */ in qcom_ramp_controller_start()
/linux-6.8/drivers/cpufreq/
Dqcom-cpufreq-hw.c49 * Mutex to synchronize between de-init sequence and re-starting LMh
433 * Look for LMh interrupt. If no interrupt line is specified / in qcom_cpufreq_hw_lmh_init()
/linux-6.8/arch/arm64/boot/dts/qcom/
Dsc8180x.dtsi3591 lmh@18350800 {
3592 compatible = "qcom,sc8180x-lmh";
3596 qcom,lmh-temp-arm-millicelsius = <65000>;
3597 qcom,lmh-temp-low-millicelsius = <94500>;
3598 qcom,lmh-temp-high-millicelsius = <95000>;
3603 lmh@18358800 {
3604 compatible = "qcom,sc8180x-lmh";
3608 qcom,lmh-temp-arm-millicelsius = <65000>;
3609 qcom,lmh-temp-low-millicelsius = <94500>;
3610 qcom,lmh-temp-high-millicelsius = <95000>;
Dsm8150.dtsi4458 lmh_cluster1: lmh@18350800 {
4459 compatible = "qcom,sm8150-lmh";
4463 qcom,lmh-temp-arm-millicelsius = <60000>;
4464 qcom,lmh-temp-low-millicelsius = <84500>;
4465 qcom,lmh-temp-high-millicelsius = <85000>;
4470 lmh_cluster0: lmh@18358800 {
4471 compatible = "qcom,sm8150-lmh";
4475 qcom,lmh-temp-arm-millicelsius = <60000>;
4476 qcom,lmh-temp-low-millicelsius = <84500>;
4477 qcom,lmh-temp-high-millicelsius = <85000>;
Dsdm845.dtsi3933 lmh_cluster1: lmh@17d70800 {
3934 compatible = "qcom,sdm845-lmh";
3938 qcom,lmh-temp-arm-millicelsius = <65000>;
3939 qcom,lmh-temp-low-millicelsius = <94500>;
3940 qcom,lmh-temp-high-millicelsius = <95000>;
3945 lmh_cluster0: lmh@17d78800 {
3946 compatible = "qcom,sdm845-lmh";
3950 qcom,lmh-temp-arm-millicelsius = <65000>;
3951 qcom,lmh-temp-low-millicelsius = <94500>;
3952 qcom,lmh-temp-high-millicelsius = <95000>;
/linux-6.8/Documentation/devicetree/bindings/cpufreq/
Dcpufreq-qcom-hw.yaml199 # On some SoCs the Prime core shares the LMH irq with Big cores
/linux-6.8/arch/s390/boot/
Dhead.S243 0: lmh %r0,%r15,0(%r13) # clear high-order half of gprs
/linux-6.8/arch/s390/tools/
Dopcodes.txt1111 eb96 lmh RSY_RRRD
/linux-6.8/ipc/
Dutil.c9 * Chris Evans, <chris@ferret.lmh.ox.ac.uk>