| /kernel/linux/linux-4.19/drivers/opp/ |
| D | of.c | 4 * Copyright (C) 2009-2010 Texas Instruments Incorporated.
33 if (opp_table->np == np) { in _managed_opp()
36 * so will have same node-pointer, np. in _managed_opp()
38 * But the OPPs will be considered as shared only if the in _managed_opp()
39 * OPP table contains a "opp-shared" property. in _managed_opp()
41 if (opp_table->shared_opp == OPP_TABLE_ACCESS_SHARED) { in _managed_opp()
60 * Only required for backward compatibility with v1 bindings, but isn't in _of_init_opp_table()
63 np = of_node_get(dev->of_node); in _of_init_opp_table()
67 if (!of_property_read_u32(np, "clock-latency", &val)) in _of_init_opp_table()
68 opp_table->clock_latency_ns_max = val; in _of_init_opp_table()
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| D | core.c | 4 * Copyright (C) 2009-2010 Texas Instruments Incorporated.
28 * The root of the list of all opp-tables. All opp_table structures branch off
29 * from here, with each opp_table containing the list of opps it supports in
41 list_for_each_entry(opp_dev, &opp_table->dev_list, node) in _find_opp_dev()
42 if (opp_dev->dev == dev) in _find_opp_dev()
60 return ERR_PTR(-ENODEV); in _find_opp_table_unlocked()
64 * _find_opp_table() - find opp_table struct using device pointer
69 * Return: pointer to 'struct opp_table' if found, otherwise -ENODEV or
70 * -EINVAL based on type of error.
80 return ERR_PTR(-EINVAL); in _find_opp_table()
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| D | cpu.c | 4 * Copyright (C) 2009-2014 Texas Instruments Incorporated.
28 * dev_pm_opp_init_cpufreq_table() - create a cpufreq table for a device
32 * Generate a cpufreq table for a provided device- this assumes that the
35 * This function allocates required memory for the cpufreq table. It is
36 * expected that the caller does the required maintenance such as freeing
37 * the table as required.
39 * Returns -EINVAL for bad pointers, -ENODEV if the device is not found, -ENOMEM
56 return max_opps ? max_opps : -ENODATA; in dev_pm_opp_init_cpufreq_table()
60 return -ENOMEM; in dev_pm_opp_init_cpufreq_table()
93 * dev_pm_opp_free_cpufreq_table() - free the cpufreq table
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| /kernel/linux/linux-5.10/drivers/opp/ |
| D | of.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2009-2010 Texas Instruments Incorporated.
31 /* "operating-points-v2" can be an array for power domain providers */ in _opp_of_get_opp_desc_node()
32 return of_parse_phandle(np, "operating-points-v2", index); in _opp_of_get_opp_desc_node()
38 return _opp_of_get_opp_desc_node(dev->of_node, 0); in dev_pm_opp_of_get_opp_desc_node()
47 np = _opp_of_get_opp_desc_node(dev->of_node, index); in _managed_opp()
52 if (opp_table->np == np) { in _managed_opp()
55 * so will have same node-pointer, np. in _managed_opp()
57 * But the OPPs will be considered as shared only if the in _managed_opp()
58 * OPP table contains a "opp-shared" property. in _managed_opp()
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| D | opp.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 2009-2010 Texas Instruments Incorporated.
35 * |- device 1 (represents voltage domain 1)
36 * | |- opp 1 (availability, freq, voltage)
37 * | |- opp 2 ..
39 * | `- opp n ..
40 * |- device 2 (represents the next voltage domain)
42 * `- device m (represents mth voltage domain)
48 * struct dev_pm_opp - Generic OPP description structure
50 * of boot. It is expected only an optimal set of OPPs are
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| D | core.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2009-2010 Texas Instruments Incorporated.
25 * The root of the list of all opp-tables. All opp_table structures branch off
26 * from here, with each opp_table containing the list of opps it supports in
38 list_for_each_entry(opp_dev, &opp_table->dev_list, node) in _find_opp_dev()
39 if (opp_dev->dev == dev) in _find_opp_dev()
51 mutex_lock(&opp_table->lock); in _find_opp_table_unlocked()
53 mutex_unlock(&opp_table->lock); in _find_opp_table_unlocked()
62 return ERR_PTR(-ENODEV); in _find_opp_table_unlocked()
66 * _find_opp_table() - find opp_table struct using device pointer
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| D | cpu.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2009-2014 Texas Instruments Incorporated.
25 * dev_pm_opp_init_cpufreq_table() - create a cpufreq table for a device
29 * Generate a cpufreq table for a provided device- this assumes that the
32 * This function allocates required memory for the cpufreq table. It is
33 * expected that the caller does the required maintenance such as freeing
34 * the table as required.
36 * Returns -EINVAL for bad pointers, -ENODEV if the device is not found, -ENOMEM
53 return max_opps ? max_opps : -ENODATA; in dev_pm_opp_init_cpufreq_table()
57 return -ENOMEM; in dev_pm_opp_init_cpufreq_table()
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/power/ |
| D | qcom,rpmpd.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rajendra Nayak <rnayak@codeaurora.org>
19 - qcom,msm8976-rpmpd
20 - qcom,msm8996-rpmpd
21 - qcom,msm8998-rpmpd
22 - qcom,qcs404-rpmpd
23 - qcom,sc7180-rpmhpd
24 - qcom,sdm845-rpmhpd
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| D | power_domain.txt | 12 #power-domain-cells property in the PM domain provider node.
16 See power-domain.yaml.
20 Required properties:
21 - power-domains : A list of PM domain specifiers, as defined by bindings of
25 - power-domain-names : A list of power domain name strings sorted in the same
26 order as the power-domains property. Consumers drivers will use
27 power-domain-names to match power domains with power-domains
32 leaky-device@12350000 {
33 compatible = "foo,i-leak-current";
35 power-domains = <&power 0>;
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| /kernel/linux/linux-5.10/Documentation/power/ |
| D | opp.rst | 5 (C) 2009-2010 Nishanth Menon <nm@ti.com>, Texas Instruments Incorporated
20 -------------------------------------------------
22 Complex SoCs of today consists of a multiple sub-modules working in conjunction.
25 facilitate this, sub-modules in a SoC are grouped into domains, allowing some
31 OPPs.
39 We can represent these as three OPPs as the following {Hz, uV} tuples:
41 - {300000000, 1000000}
42 - {800000000, 1200000}
43 - {1000000000, 1300000}
46 ----------------------------------------
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| /kernel/linux/linux-4.19/Documentation/power/ |
| D | opp.txt | 4 (C) 2009-2010 Nishanth Menon <nm@ti.com>, Texas Instruments Incorporated
7 --------
19 Complex SoCs of today consists of a multiple sub-modules working in conjunction.
22 facilitate this, sub-modules in a SoC are grouped into domains, allowing some
28 OPPs.
35 We can represent these as three OPPs as the following {Hz, uV} tuples:
50 (users) -> registers a set of default OPPs -> (library)
51 SoC framework -> modifies on required cases certain OPPs -> OPP layer
52 -> queries to search/retrieve information ->
55 framework registers a set of initial OPPs per device with the OPP layer. This
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/opp/ |
| D | opp.txt | 2 ----------------------------------------------------
4 Devices work at voltage-current-frequency combinations and some implementations
6 Performance Points aka OPPs. This document defines bindings for these OPPs
13 Binding 1: operating-points
16 This binding only supports voltage-frequency pairs.
19 - operating-points: An array of 2-tuples items, and each item consists
20 of frequency and voltage like <freq-kHz vol-uV>.
27 compatible = "arm,cortex-a9";
29 next-level-cache = <&L2>;
30 operating-points = <
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| D | qcom-opp.txt | 3 The bindings are based on top of the operating-points-v2 bindings
9 Required properties:
10 - compatible: Allow OPPs to express their compatibility. It should be:
11 "operating-points-v2-qcom-level"
15 Required properties:
16 - qcom,opp-fuse-level: A positive value representing the fuse corner/level
|
| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/opp/ |
| D | opp.txt | 2 ----------------------------------------------------
4 Devices work at voltage-current-frequency combinations and some implementations
6 Performance Points aka OPPs. This document defines bindings for these OPPs
13 Binding 1: operating-points
16 This binding only supports voltage-frequency pairs.
19 - operating-points: An array of 2-tuples items, and each item consists
20 of frequency and voltage like <freq-kHz vol-uV>.
27 compatible = "arm,cortex-a9";
29 next-level-cache = <&L2>;
30 operating-points = <
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/power/ |
| D | power_domain.txt | 12 #power-domain-cells property in the PM domain provider node.
16 Required properties:
17 - #power-domain-cells : Number of cells in a PM domain specifier;
23 - power-domains : A phandle and PM domain specifier as defined by bindings of
32 - domain-idle-states : A phandle of an idle-state that shall be soaked into a
34 compatible with domain-idle-state specified in [1]. phandles
35 that are not compatible with domain-idle-state will be
37 The domain-idle-state property reflects the idle state of this PM domain and
38 not the idle states of the devices or sub-domains in the PM domain. Devices
39 and sub-domains have their own idle-states independent of the parent
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/cpufreq/ |
| D | ti-cpufreq.txt | 5 families support different OPPs depending on the silicon variant in use.
6 The ti-cpufreq driver can use revision and an efuse value from the SoC to
8 used to determine which OPPs from the operating-points-v2 table get enabled
11 Required properties:
12 --------------------
14 - operating-points-v2: Phandle to the operating-points-v2 table to use.
16 In 'operating-points-v2' table:
17 - compatible: Should be
18 - 'operating-points-v2-ti-cpu' for am335x, am43xx, and dra7xx/am57xx,
20 - syscon: A phandle pointing to a syscon node representing the control module
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| D | cpufreq-dt.txt | 7 Both required and optional properties listed below must be defined
10 Required properties:
11 - None
14 - operating-points: Refer to Documentation/devicetree/bindings/opp/opp.txt for
15 details. OPPs *must* be supplied either via DT, i.e. this property, or
17 - clock-latency: Specify the possible maximum transition latency for clock,
19 - voltage-tolerance: Specify the CPU voltage tolerance in percentage.
20 - #cooling-cells:
22 Documentation/devicetree/bindings/thermal/thermal-cooling-devices.yaml.
27 #address-cells = <1>;
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| D | imx-cpufreq-dt.txt | 1 i.MX CPUFreq-DT OPP bindings
4 Certain i.MX SoCs support different OPPs depending on the "market segment" and
6 the opp-supported-hw values for each OPP to check if the OPP is allowed.
8 Required properties:
9 --------------------
11 For each opp entry in 'operating-points-v2' table:
12 - opp-supported-hw: Two bitmaps indicating:
13 - Supported speed grade mask
14 - Supported market segment mask
21 --------
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/cpufreq/ |
| D | ti-cpufreq.txt | 5 families support different OPPs depending on the silicon variant in use.
6 The ti-cpufreq driver can use revision and an efuse value from the SoC to
8 used to determine which OPPs from the operating-points-v2 table get enabled
11 Required properties:
12 --------------------
14 - operating-points-v2: Phandle to the operating-points-v2 table to use.
16 In 'operating-points-v2' table:
17 - compatible: Should be
18 - 'operating-points-v2-ti-cpu' for am335x, am43xx, and dra7xx/am57xx SoCs
19 - syscon: A phandle pointing to a syscon node representing the control module
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| D | cpufreq-dt.txt | 7 Both required and optional properties listed below must be defined
10 Required properties:
11 - None
14 - operating-points: Refer to Documentation/devicetree/bindings/opp/opp.txt for
15 details. OPPs *must* be supplied either via DT, i.e. this property, or
17 - clock-latency: Specify the possible maximum transition latency for clock,
19 - voltage-tolerance: Specify the CPU voltage tolerance in percentage.
20 - #cooling-cells:
26 #address-cells = <1>;
27 #size-cells = <0>;
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| /kernel/linux/linux-5.10/arch/arm64/boot/dts/qcom/ |
| D | sdm845.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
8 #include <dt-bindings/clock/qcom,camcc-sdm845.h>
9 #include <dt-bindings/clock/qcom,dispcc-sdm845.h>
10 #include <dt-bindings/clock/qcom,gcc-sdm845.h>
11 #include <dt-bindings/clock/qcom,gpucc-sdm845.h>
12 #include <dt-bindings/clock/qcom,lpass-sdm845.h>
13 #include <dt-bindings/clock/qcom,rpmh.h>
14 #include <dt-bindings/clock/qcom,videocc-sdm845.h>
15 #include <dt-bindings/interconnect/qcom,osm-l3.h>
16 #include <dt-bindings/interconnect/qcom,sdm845.h>
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| D | sc7180.dtsi | 1 // SPDX-License-Identifier: BSD-3-Clause
8 #include <dt-bindings/clock/qcom,dispcc-sc7180.h>
9 #include <dt-bindings/clock/qcom,gcc-sc7180.h>
10 #include <dt-bindings/clock/qcom,gpucc-sc7180.h>
11 #include <dt-bindings/clock/qcom,lpasscorecc-sc7180.h>
12 #include <dt-bindings/clock/qcom,rpmh.h>
13 #include <dt-bindings/clock/qcom,videocc-sc7180.h>
14 #include <dt-bindings/interconnect/qcom,osm-l3.h>
15 #include <dt-bindings/interconnect/qcom,sc7180.h>
16 #include <dt-bindings/interrupt-controller/arm-gic.h>
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| /kernel/linux/linux-4.19/drivers/cpufreq/ |
| D | cpufreq-dt.c | 28 #include "cpufreq-dt.h"
40 NULL, /* Extra space for boost-attr if required */
46 struct private_data *priv = policy->driver_data; in set_target()
47 unsigned long freq = policy->freq_table[index].frequency; in set_target()
50 ret = dev_pm_opp_set_rate(priv->cpu_dev, freq * 1000); in set_target()
53 arch_set_freq_scale(policy->related_cpus, freq, in set_target()
54 policy->cpuinfo.max_freq); in set_target()
61 * An earlier version of opp-v1 bindings used to name the regulator
62 * "cpu0-supply", we still need to handle that for backwards compatibility.
68 int cpu = dev->id; in find_supply_name()
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| /kernel/linux/linux-4.19/Documentation/arm/OMAP/ |
| D | omap_pm | 13 - support the range of power management parameters present in the TI SRF;
15 - separate the drivers from the underlying PM parameter
19 - specify PM parameters in terms of fundamental units, such as
23 - allow drivers which are shared with other architectures (e.g.,
24 DaVinci) to add these constraints in a way which won't affect non-OMAP
27 - can be implemented immediately with minimal disruption of other
35 (*pdata->set_max_mpu_wakeup_lat)(struct device *dev, unsigned long t)
38 (*pdata->set_max_dev_wakeup_lat)(struct device *dev, unsigned long t)
41 (*pdata->set_max_sdma_lat)(struct device *dev, long t)
44 (*pdata->set_min_bus_tput)(struct device *dev, u8 agent_id, unsigned long r)
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| /kernel/linux/linux-5.10/drivers/firmware/ |
| D | arm_scpi.c | 1 // SPDX-License-Identifier: GPL-2.0-only
7 * provides a mechanism for inter-processor communication between SCP's
155 /* List all commands that are required to go through the high priority link */
207 -1, /* GET_CLOCK_INFO */
216 -1, /* SET_DEVICE_PWR_STATE */
217 -1, /* GET_DEVICE_PWR_STATE */
259 * The SCP firmware only executes in little-endian mode, so any buffers
260 * shared through SCPI should have their contents converted to little-endian
307 } opps[MAX_DVFS_OPPS]; member
332 -EINVAL, /* SCPI_ERR_PARAM */
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