| /kernel/linux/linux-5.10/drivers/cpufreq/ |
| D | mediatek-cpufreq.c | 27 * Mediatek SoCs has two voltage inputs, Vproc and Vsram. In some cases the two
29 * 100mV < Vsram - Vproc < 200mV
68 int old_vproc, old_vsram, new_vsram, vsram, vproc, ret; in mtk_cpufreq_voltage_tracking() local
75 /* Vsram should not exceed the maximum allowed voltage of SoC. */ in mtk_cpufreq_voltage_tracking()
80 * When scaling up voltages, Vsram and Vproc scale up step in mtk_cpufreq_voltage_tracking()
81 * by step. At each step, set Vsram to (Vproc + 200mV) first, in mtk_cpufreq_voltage_tracking()
82 * then set Vproc to (Vsram - 100mV). in mtk_cpufreq_voltage_tracking()
83 * Keep doing it until Vsram and Vproc hit target voltages. in mtk_cpufreq_voltage_tracking()
88 pr_err("%s: invalid Vsram value: %d\n", in mtk_cpufreq_voltage_tracking()
99 vsram = min(new_vsram, old_vproc + MAX_VOLT_SHIFT); in mtk_cpufreq_voltage_tracking()
[all …]
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| D | pxa3xx-cpufreq.c | 51 #define OP(cpufreq, _xl, _xn, _hss, _dmc, _smc, _sfl, _dfi, vcore, vsram) \ argument
62 .vcc_sram = vsram, \
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| /kernel/linux/linux-6.6/drivers/devfreq/ |
| D | mtk-cci-devfreq.c | 43 int pre_voltage, pre_vsram, new_vsram, vsram, voltage, ret; in mtk_ccifreq_set_voltage() local
60 dev_err(dev, "invalid vsram value: %d\n", pre_vsram); in mtk_ccifreq_set_voltage()
69 vsram = clamp(pre_voltage + soc_data->max_volt_shift, in mtk_ccifreq_set_voltage()
71 ret = regulator_set_voltage(drv->sram_reg, vsram, in mtk_ccifreq_set_voltage()
76 if (vsram == soc_data->sram_max_volt || in mtk_ccifreq_set_voltage()
80 voltage = vsram - soc_data->min_volt_shift; in mtk_ccifreq_set_voltage()
98 vsram = new_vsram; in mtk_ccifreq_set_voltage()
100 vsram = max(new_vsram, in mtk_ccifreq_set_voltage()
103 ret = regulator_set_voltage(drv->sram_reg, vsram, in mtk_ccifreq_set_voltage()
113 pre_vsram = vsram; in mtk_ccifreq_set_voltage()
[all …]
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| /kernel/linux/linux-6.6/drivers/cpufreq/ |
| D | mediatek-cpufreq.c | 31 * Mediatek SoCs has two voltage inputs, Vproc and Vsram. In some cases the two
33 * 100mV < Vsram - Vproc < 200mV
84 int pre_vproc, pre_vsram, new_vsram, vsram, vproc, ret; in mtk_cpufreq_voltage_tracking() local
96 dev_err(info->cpu_dev, "invalid Vsram value: %d\n", pre_vsram); in mtk_cpufreq_voltage_tracking()
105 vsram = clamp(pre_vproc + soc_data->max_volt_shift, in mtk_cpufreq_voltage_tracking()
107 ret = regulator_set_voltage(sram_reg, vsram, in mtk_cpufreq_voltage_tracking()
113 if (vsram == soc_data->sram_max_volt || in mtk_cpufreq_voltage_tracking()
117 vproc = vsram - soc_data->min_volt_shift; in mtk_cpufreq_voltage_tracking()
135 vsram = new_vsram; in mtk_cpufreq_voltage_tracking()
137 vsram = max(new_vsram, in mtk_cpufreq_voltage_tracking()
[all …]
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| D | pxa3xx-cpufreq.c | 72 #define OP(cpufreq, _xl, _xn, _hss, _dmc, _smc, _sfl, _dfi, vcore, vsram) \ argument
83 .vcc_sram = vsram, \
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| /kernel/linux/linux-6.6/drivers/soc/mediatek/ |
| D | mtk-regulator-coupler.c | 28 * modify the vsram voltage only when changing voltage of vgpu.
77 * If we're asked to set a voltage less than VSRAM min_uV, set in mediatek_regulator_balance_voltage()
78 * the minimum allowed voltage on VSRAM, as in this case it is in mediatek_regulator_balance_voltage()
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| /kernel/linux/linux-6.6/arch/arm64/boot/dts/mediatek/ |
| D | mt6357.dtsi | 153 mt6357_vsram_others_reg: ldo-vsram-others {
154 regulator-name = "vsram-others";
162 mt6357_vsram_proc_reg: ldo-vsram-proc {
163 regulator-name = "vsram-proc";
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| D | mt6331.dtsi | 226 mt6331_vsram_reg: ldo-vsram {
227 regulator-name = "vsram";
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/regulator/ |
| D | mediatek,mt6357-regulator.yaml | 192 mt6357_vsram_others_reg: ldo-vsram-others {
193 regulator-name = "vsram-others";
200 mt6357_vsram_proc_reg: ldo-vsram-proc {
201 regulator-name = "vsram-proc";
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| D | mediatek,mt6331-regulator.yaml | 242 mt6331_vsram_reg: ldo-vsram {
243 regulator-name = "vsram";
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| D | mediatek,mt6332-regulator.yaml | 99 mt6332_vsram_reg: ldo-vsram {
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/cpufreq/ |
| D | cpufreq-mediatek.txt | 18 - sram-supply: Regulator for Vsram of CPU cluster. When present, the cpufreq driver
20 Vsram to fit SoC specific needs. When absent, the voltage scaling
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/cpufreq/ |
| D | cpufreq-mediatek.txt | 18 - sram-supply: Regulator for Vsram of CPU cluster. When present, the cpufreq driver
20 Vsram to fit SoC specific needs. When absent, the voltage scaling
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| /kernel/linux/linux-6.6/drivers/regulator/ |
| D | mt6357-regulator.c | 387 MT6357_LDO1("ldo-vsram-proc", VSRAM_PROC, 518750, 1312500, 6250,
390 MT6357_LDO1("ldo-vsram-others", VSRAM_OTHERS, 518750, 1312500, 6250,
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| D | mt6332-regulator.c | 323 MT6332_LDO_LINEAR("ldo-vsram", VSRAM_DVFS2, 700000, 1493750, 6250, buck_volt_range,
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| D | mt6331-regulator.c | 364 MT6331_REG_FIXED("ldo-vsram", VSRAM_DVFS1, MT6331_SYSLDO_CON4, 10, 15, 1012500,
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/interconnect/ |
| D | mediatek,cci.yaml | 50 "voltage tracking" to step by step scale up/down Vproc and Vsram to fit
|