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/linux/drivers/cpufreq/
H A Darmada-37xx-cpufreq.c126 * will be configured then the DVFS will be enabled.
217 struct armada_37xx_dvfs *dvfs) in armada37xx_cpufreq_avs_configure() argument
234 dvfs->avs[0] = l0_vdd_min; in armada37xx_cpufreq_avs_configure()
244 dvfs->avs[load_level] = avs_min; in armada37xx_cpufreq_avs_configure()
251 if (dvfs->cpu_freq_max >= 1000*1000*1000) { in armada37xx_cpufreq_avs_configure()
252 if (dvfs->cpu_freq_max >= 1200*1000*1000) in armada37xx_cpufreq_avs_configure()
256 dvfs->avs[0] = dvfs->avs[1] = avs_min; in armada37xx_cpufreq_avs_configure()
269 dvfs->avs[1] = armada_37xx_avs_val_match(target_vm); in armada37xx_cpufreq_avs_configure()
277 dvfs->avs[2] = dvfs->avs[3] = armada_37xx_avs_val_match(target_vm); in armada37xx_cpufreq_avs_configure()
284 if (dvfs->cpu_freq_max >= 1000*1000*1000) { in armada37xx_cpufreq_avs_configure()
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H A Ds3c64xx-cpufreq.c60 struct s3c64xx_dvfs *dvfs; in s3c64xx_cpufreq_set_target() local
64 dvfs = &s3c64xx_dvfs_table[s3c64xx_freq_table[index].driver_data]; in s3c64xx_cpufreq_set_target()
68 dvfs->vddarm_min, in s3c64xx_cpufreq_set_target()
69 dvfs->vddarm_max); in s3c64xx_cpufreq_set_target()
88 dvfs->vddarm_min, in s3c64xx_cpufreq_set_target()
89 dvfs->vddarm_max); in s3c64xx_cpufreq_set_target()
112 struct s3c64xx_dvfs *dvfs; in s3c64xx_cpufreq_config_regulator() local
123 dvfs = &s3c64xx_dvfs_table[freq->driver_data]; in s3c64xx_cpufreq_config_regulator()
128 if (v >= dvfs->vddarm_min && v <= dvfs->vddarm_max) in s3c64xx_cpufreq_config_regulator()
/linux/Documentation/devicetree/bindings/regulator/
H A Dtps51632-regulator.txt8 - ti,enable-pwm-dvfs: Enable the DVFS voltage control through the PWM interface.
9 - ti,dvfs-step-20mV: The 20mV step voltage when PWM DVFS enabled. Missing this
10 will set 10mV step voltage in PWM DVFS mode. In normal mode, the voltage
25 ti,enable-pwm-dvfs;
26 ti,dvfs-step-20mV;
/linux/Documentation/scheduler/
H A Dschedutil.rst51 Dynamic Voltage and Frequency Scaling (DVFS) ratio and one microarch ratio.
53 For simple DVFS architectures (where software is in full control) we trivially
60 For more dynamic systems where the hardware is in control of DVFS we use
84 of DVFS and CPU type. IOW. we can transfer and compare them between CPUs.
98 (DVFS) ramp-up after they are running again.
120 Schedutil / DVFS
125 DVFS state.
150 Because these callbacks are directly from the scheduler, the DVFS hardware
152 rate-limiting DVFS requests for when hardware interaction is slow and
161 - On low-load scenarios, where DVFS is most relevant, the 'running' numbers
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/linux/drivers/memory/tegra/
H A Dtegra186-emc.c26 struct tegra186_emc_dvfs *dvfs; member
69 if (rate == emc->dvfs[i].rate) in tegra186_emc_validate_rate()
83 seq_printf(s, "%s%lu", prefix, emc->dvfs[i].rate); in tegra186_emc_debug_available_rates_show()
169 dev_err(emc->dev, "failed to EMC DVFS pairs: %d\n", err); in tegra186_emc_get_emc_dvfs_latency()
173 dev_err(emc->dev, "EMC DVFS MRQ failed: %d (BPMP error code)\n", msg.rx.ret); in tegra186_emc_get_emc_dvfs_latency()
182 emc->dvfs = devm_kmalloc_array(emc->dev, emc->num_dvfs, sizeof(*emc->dvfs), GFP_KERNEL); in tegra186_emc_get_emc_dvfs_latency()
183 if (!emc->dvfs) in tegra186_emc_get_emc_dvfs_latency()
186 dev_dbg(emc->dev, "%u DVFS pairs:\n", emc->num_dvfs); in tegra186_emc_get_emc_dvfs_latency()
189 emc->dvfs[i].rate = response.pairs[i].freq * 1000; in tegra186_emc_get_emc_dvfs_latency()
190 emc->dvfs[i].latency = response.pairs[i].latency; in tegra186_emc_get_emc_dvfs_latency()
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/linux/drivers/gpu/drm/nouveau/nvkm/subdev/clk/
H A Dgm20b.c123 struct gm20b_clk_dvfs dvfs; member
191 struct gm20b_clk_dvfs *dvfs) in gm20b_dvfs_calc_det_coeff() argument
202 dvfs->dfs_coeff = min_t(u32, coeff, MASK(GPCPLL_DVFS0_DFS_COEFF_WIDTH)); in gm20b_dvfs_calc_det_coeff()
204 dvfs->dfs_ext_cal = DIV_ROUND_CLOSEST(uv - clk->uvdet_offs, in gm20b_dvfs_calc_det_coeff()
207 if (abs(dvfs->dfs_ext_cal) >= BIT(DFS_DET_RANGE)) in gm20b_dvfs_calc_det_coeff()
210 dvfs->dfs_det_max = 0; in gm20b_dvfs_calc_det_coeff()
213 __func__, uv, dvfs->dfs_coeff, dvfs->dfs_ext_cal, in gm20b_dvfs_calc_det_coeff()
214 dvfs->dfs_det_max); in gm20b_dvfs_calc_det_coeff()
237 det_delta -= clk->dvfs.dfs_ext_cal; in gm20b_dvfs_calc_ndiv()
238 det_delta = min(det_delta, clk->dvfs.dfs_det_max); in gm20b_dvfs_calc_ndiv()
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/linux/include/linux/regulator/
H A Dtps51632-regulator.h6 * Driverless Controller with serial VID control and DVFS.
20 * @enable_pwm_dvfs: Enable PWM DVFS or not.
21 * @dvfs_step_20mV: Step for DVFS is 20mV or 10mV.
22 * @max_voltage_uV: Maximum possible voltage in PWM-DVFS mode.
23 * @base_voltage_uV: Base voltage when PWM-DVFS enabled.
/linux/Documentation/devicetree/bindings/mfd/
H A Drohm,bd9571mwv.yaml68 "^(vd09|vd18|vd25|vd33|dvfs)$":
74 pattern: "^(vd09|vd18|vd25|vd33|dvfs)$"
118 dvfs: dvfs {
119 regulator-name = "dvfs";
/linux/Documentation/translations/zh_CN/scheduler/
H A Dschedutil.rst53 Frequency Scaling，DVFS）比率，另一个是微架构比率。
96 因此它们在再次运行后会面临（DVFS）的上涨。
119 Schedutil / DVFS
/linux/drivers/firmware/
H A Darm_scpi.c11 * various power domain DVFS including the core/cluster, certain system
258 struct scpi_dvfs_info *dvfs[MAX_DVFS_DOMAINS]; member
602 struct dvfs_set dvfs = {domain, index}; in scpi_dvfs_set_idx() local
604 return scpi_send_message(CMD_SET_DVFS, &dvfs, sizeof(dvfs), in scpi_dvfs_set_idx()
625 if (scpi_info->dvfs[domain]) /* data already populated */ in scpi_dvfs_get_info()
626 return scpi_info->dvfs[domain]; in scpi_dvfs_get_info()
656 scpi_info->dvfs[domain] = info; in scpi_dvfs_get_info()
876 for (i = 0; i < MAX_DVFS_DOMAINS && info->dvfs[i]; i++) { in scpi_remove()
877 kfree(info->dvfs[i]->opps); in scpi_remove()
878 kfree(info->dvfs[i]); in scpi_remove()
/linux/Documentation/devicetree/bindings/clock/
H A Dimx31-clock.yaml88 interrupt for DVFS when a frequency change is requested, request 2 is
91 - description: CCM DVFS interrupt request 1
/linux/drivers/regulator/
H A Dtps51632-regulator.c6 * Controller with serial VID control and DVFS.
154 dev_err(tps->dev, "DVFS reg write failed, err %d\n", ret); in tps51632_init_dcdc()
231 of_property_read_bool(np, "ti,enable-pwm-dvfs"); in of_get_tps51632_platform_data()
232 pdata->dvfs_step_20mV = of_property_read_bool(np, "ti,dvfs-step-20mV"); in of_get_tps51632_platform_data()
/linux/Documentation/devicetree/bindings/firmware/
H A Darm,scpi.yaml123 "arm,scpi-dvfs-clocks" - all the clocks that are variable and index
137 - arm,scpi-dvfs-clocks
190 compatible = "arm,scpi-dvfs-clocks";
/linux/include/linux/
H A Dscpi_protocol.h52 * @dvfs_get_info: returns the DVFS capabilities of the given power
55 * @get_transition_latency: gets the DVFS transition latency for a given device
/linux/include/linux/mfd/
H A Ddb8500-prcmu.h256 * enum dvfs_stat - DVFS status messages definition
257 * @DVFS_GO: A state transition DVFS is on going
258 * @DVFS_ARM100OPPOK: The state transition DVFS has been completed for 100OPP
259 * @DVFS_ARM50OPPOK: The state transition DVFS has been completed for 50OPP
260 * @DVFS_ARMEXTCLKOK: The state transition DVFS has been completed for EXTCLK
261 * @DVFS_NOCHGTCLKOK: The state transition DVFS has been completed for
/linux/arch/arm/mach-omap2/
H A Dclkt2xxx_virt_prcm_set.c3 * OMAP2xxx DVFS virtual clock functions
194 * Store a copy of the sys_ck rate for later use by the OMAP2xxx DVFS
226 * Does a manual init for the virtual prcm DVFS clock for OMAP2. This
/linux/Documentation/driver-api/thermal/
H A Dcpu-cooling-api.rst76 - The voltage and frequency levels as a result of DVFS. The DVFS
/linux/Documentation/devicetree/bindings/opp/
H A Dopp-v2.yaml24 * Example 1: Single cluster Dual-core ARM cortex A9, switch DVFS states
81 * Example 2: Single cluster, Quad-core Qualcom-krait, switches DVFS states
137 * Missing opp-shared property means CPUs switch DVFS states
166 * DVFS state together.
/linux/drivers/devfreq/
H A DKconfig3 bool "Generic Dynamic Voltage and Frequency Scaling (DVFS) support"
7 devfreq, a generic DVFS framework can be registered for a device
/linux/arch/arm/boot/dts/allwinner/
H A Dsun8i-h3-orangepi-pc.dts189 * however both the Armbian DVFS table and the official one
191 * DVFS table are known to work properly at the lowest
/linux/drivers/firmware/samsung/
H A DMakefile5 acpm-protocol-objs += exynos-acpm-dvfs.o
/linux/drivers/gpu/drm/imagination/
H A Dpvr_rogue_fwif_sf.h1208 "Proactive DVFS: New deadline, time = 0x%08x%08x" },
1210 "Proactive DVFS: New workload, cycles = 0x%08x%08x" },
1212 "Proactive DVFS: Proactive frequency calculated = %u" },
1214 "Proactive DVFS: Reactive utilisation = %u percent" },
1216 "Proactive DVFS: Reactive frequency calculated = %u.%u" },
1218 "Proactive DVFS: OPP Point Sent = 0x%x" },
1220 "Proactive DVFS: Deadline removed = 0x%08x%08x" },
1222 "Proactive DVFS: Workload removed = 0x%08x%08x" },
1224 "Proactive DVFS: Throttle to a maximum = 0x%x" },
1226 "Proactive DVFS: Failed to pass OPP point via GPIO." },
[all …]
/linux/drivers/firmware/tegra/
H A DKconfig21 the PM functions which include clock/DVFS/thermal/power from the CPU.
/linux/drivers/accel/ivpu/
H A Dvpu_boot_api.h319 * DVFS Mode:
320 * 0 - Default, DVFS mode selected by the firmware
328 * Depending on DVFS Mode:
/linux/drivers/clk/sunxi-ng/
H A Dccu-sun50i-a100.h39 /* CPUX clock exported for DVFS */

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