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/Linux-v6.1/arch/arm/boot/dts/
Dtegra20-peripherals-opp.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 core_opp_table: opp-table-core {
5 compatible = "operating-points-v2";
6 opp-shared;
8 core_opp_950: opp-950000 {
9 opp-microvolt = <950000 950000 1300000>;
10 opp-level = <950000>;
13 core_opp_1000: opp-1000000 {
14 opp-microvolt = <1000000 1000000 1300000>;
15 opp-level = <1000000>;
[all …]
Dtegra30-peripherals-opp.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 core_opp_table: opp-table-core {
5 compatible = "operating-points-v2";
6 opp-shared;
8 core_opp_950: opp-950000 {
9 opp-microvolt = <950000 950000 1350000>;
10 opp-level = <950000>;
13 core_opp_1000: opp-1000000 {
14 opp-microvolt = <1000000 1000000 1350000>;
15 opp-level = <1000000>;
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/Linux-v6.1/drivers/opp/
Dcpu.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Generic OPP helper interface for CPU device
5 * Copyright (C) 2009-2014 Texas Instruments Incorporated.
20 #include "opp.h"
25 * dev_pm_opp_init_cpufreq_table() - create a cpufreq table for a device
27 * @table: Cpufreq table returned back to caller
29 * Generate a cpufreq table for a provided device- this assumes that the
30 * opp table is already initialized and ready for usage.
32 * This function allocates required memory for the cpufreq table. It is
34 * the table as required.
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Dof.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Generic OPP OF helpers
5 * Copyright (C) 2009-2010 Texas Instruments Incorporated.
22 #include "opp.h"
25 * Returns opp descriptor node for a device node, caller must
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()
35 /* Returns opp descriptor node for a device, caller must do of_node_put() */
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()
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Dcore.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Generic OPP Interface
5 * Copyright (C) 2009-2010 Texas Instruments Incorporated.
23 #include "opp.h"
26 * The root of the list of all opp-tables. All opp_table structures branch off
32 /* OPP tables with uninitialized required OPPs */
35 /* Lock to allow exclusive modification to the device and opp lists */
40 /* OPP ID allocator */
48 mutex_lock(&opp_table->lock); in _find_opp_dev()
49 list_for_each_entry(opp_dev, &opp_table->dev_list, node) in _find_opp_dev()
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Dopp.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Generic OPP Interface
5 * Copyright (C) 2009-2010 Texas Instruments Incorporated.
26 /* Lock to allow exclusive modification to the device and opp lists */
31 /* OPP Config flags */
40 * struct opp_config_data - data for set config operations
41 * @opp_table: OPP table
42 * @flags: OPP config flags
44 * This structure stores the OPP config information for each OPP table
53 * Internal data structure organization with the OPP layer library is as
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Dti-opp-supply.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2016-2017 Texas Instruments Incorporated - https://www.ti.com/
5 * Dave Gerlach <d-gerlach@ti.com>
7 * TI OPP supply driver that provides override into the regulator control
8 * for generic opp core to handle devices with ABB regulator and/or
25 * struct ti_opp_supply_optimum_voltage_table - optimized voltage table
35 * struct ti_opp_supply_data - OMAP specific opp supply data
36 * @vdd_table: Optimized voltage mapping table
39 * @old_supplies: Placeholder for supplies information for old OPP.
40 * @new_supplies: Placeholder for supplies information for new OPP.
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/Linux-v6.1/Documentation/devicetree/bindings/power/
Dqcom,rpmpd.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Bjorn Andersson <andersson@kernel.org>
19 - qcom,mdm9607-rpmpd
20 - qcom,msm8226-rpmpd
21 - qcom,msm8909-rpmpd
22 - qcom,msm8916-rpmpd
23 - qcom,msm8939-rpmpd
24 - qcom,msm8953-rpmpd
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Dpower_domain.txt12 #power-domain-cells property in the PM domain provider node.
16 See power-domain.yaml.
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>;
36 power-domain-names = "io";
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/Linux-v6.1/arch/arm64/boot/dts/exynos/
Dexynos5433-bus.dtsi1 // SPDX-License-Identifier: GPL-2.0
11 compatible = "samsung,exynos-bus";
13 clock-names = "bus";
14 operating-points-v2 = <&bus_g2d_400_opp_table>;
19 compatible = "samsung,exynos-bus";
21 clock-names = "bus";
22 operating-points-v2 = <&bus_g2d_266_opp_table>;
27 compatible = "samsung,exynos-bus";
29 clock-names = "bus";
30 operating-points-v2 = <&bus_gscl_opp_table>;
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/Linux-v6.1/Documentation/devicetree/bindings/cpufreq/
Dti-cpufreq.txt1 TI CPUFreq and OPP bindings
6 The ti-cpufreq driver can use revision and an efuse value from the SoC to
7 provide the OPP framework with supported hardware information. This is
8 used to determine which OPPs from the operating-points-v2 table get enabled
9 when it is parsed by the OPP framework.
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,
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Dqcom-cpufreq-nvmem.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/cpufreq/qcom-cpufreq-nvmem.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Ilia Lin <ilia.lin@kernel.org>
17 on the CPU OPP in use. The CPUFreq driver sets the CPR power domain level
18 according to the required OPPs defined in the CPU OPP tables.
25 - qcom,apq8064
26 - qcom,apq8096
27 - qcom,ipq8064
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/Linux-v6.1/Documentation/devicetree/bindings/opp/
Dopp-v2-base.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/opp/opp-v2-base.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Generic OPP (Operating Performance Points) Common Binding
10 - Viresh Kumar <viresh.kumar@linaro.org>
13 Devices work at voltage-current-frequency combinations and some implementations
25 pattern: '^opp-table(-[a-z0-9]+)?$'
27 opp-shared:
29 Indicates that device nodes using this OPP Table Node's phandle switch
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Dopp-v2.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Generic OPP (Operating Performance Points) Bindings
10 - Viresh Kumar <viresh.kumar@linaro.org>
13 - $ref: opp-v2-base.yaml#
17 const: operating-points-v2
22 - |
24 * Example 1: Single cluster Dual-core ARM cortex A9, switch DVFS states
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Dopp-v2-kryo-cpu.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/opp/opp-v2-kryo-cpu.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm Technologies, Inc. NVMEM OPP bindings
10 - Ilia Lin <ilia.lin@kernel.org>
13 - $ref: opp-v2-base.yaml#
17 the CPU frequencies subset and voltage value of each OPP varies based on
22 The qcom-cpufreq-nvmem driver reads the efuse value from the SoC to provide
23 the OPP framework with required information (existing HW bitmap).
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/Linux-v6.1/drivers/soc/tegra/
Dcommon.c1 // SPDX-License-Identifier: GPL-2.0-only
6 #define dev_fmt(fmt) "tegra-soc: " fmt
59 return -EINVAL; in tegra_core_dev_init_opp_state()
66 * disabled. This makes sure the OPP vote below gets cached in in tegra_core_dev_init_opp_state()
78 return -EINVAL; in tegra_core_dev_init_opp_state()
81 /* first dummy rate-setting initializes voltage vote */ in tegra_core_dev_init_opp_state()
88 dev_err(dev, "failed to initialize OPP clock: %d\n", err); in tegra_core_dev_init_opp_state()
96 * devm_tegra_core_dev_init_opp_table() - initialize OPP table
97 * @dev: device for which OPP table is initialized
98 * @params: pointer to the OPP table configuration
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/Linux-v6.1/arch/arm64/boot/dts/rockchip/
Drk3399-t-opp.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Copyright (c) 2016-2017 Fuzhou Rockchip Electronics Co., Ltd
8 cluster0_opp: opp-table-0 {
9 compatible = "operating-points-v2";
10 opp-shared;
13 opp-hz = /bits/ 64 <408000000>;
14 opp-microvolt = <875000 875000 1250000>;
15 clock-latency-ns = <40000>;
18 opp-hz = /bits/ 64 <600000000>;
19 opp-microvolt = <875000 875000 1250000>;
[all …]
Drk3399-opp.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Copyright (c) 2016-2017 Fuzhou Rockchip Electronics Co., Ltd
7 cluster0_opp: opp-table-0 {
8 compatible = "operating-points-v2";
9 opp-shared;
12 opp-hz = /bits/ 64 <408000000>;
13 opp-microvolt = <825000 825000 1250000>;
14 clock-latency-ns = <40000>;
17 opp-hz = /bits/ 64 <600000000>;
18 opp-microvolt = <825000 825000 1250000>;
[all …]
Drk3399-op1-opp.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Copyright (c) 2016-2017 Fuzhou Rockchip Electronics Co., Ltd
7 cluster0_opp: opp-table-0 {
8 compatible = "operating-points-v2";
9 opp-shared;
12 opp-hz = /bits/ 64 <408000000>;
13 opp-microvolt = <800000>;
14 clock-latency-ns = <40000>;
17 opp-hz = /bits/ 64 <600000000>;
18 opp-microvolt = <825000>;
[all …]
/Linux-v6.1/arch/arm64/boot/dts/amlogic/
Dmeson-g12b-s922x.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 #include "meson-g12b.dtsi"
10 cpu_opp_table_0: opp-table-0 {
11 compatible = "operating-points-v2";
12 opp-shared;
14 opp-1000000000 {
15 opp-hz = /bits/ 64 <1000000000>;
16 opp-microvolt = <731000>;
19 opp-1200000000 {
20 opp-hz = /bits/ 64 <1200000000>;
[all …]
Dmeson-g12b-a311d.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 #include "meson-g12b.dtsi"
10 cpu_opp_table_0: opp-table-0 {
11 compatible = "operating-points-v2";
12 opp-shared;
14 opp-1000000000 {
15 opp-hz = /bits/ 64 <1000000000>;
16 opp-microvolt = <761000>;
19 opp-1200000000 {
20 opp-hz = /bits/ 64 <1200000000>;
[all …]
/Linux-v6.1/Documentation/devicetree/bindings/interconnect/
Dqcom,msm8998-bwmon.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/interconnect/qcom,msm8998-bwmon.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
17 - Measuring the bandwidth between CPUs and Last Level Cache Controller -
19 - Measuring the bandwidth between Last Level Cache Controller and memory
20 (DDR) - called LLCC BWMON.
25 - items:
26 - enum:
[all …]
/Linux-v6.1/arch/arm64/boot/dts/qcom/
Dsa8540p.dtsi1 // SPDX-License-Identifier: BSD-3-Clause
9 /delete-node/ &cpu0_opp_table;
10 /delete-node/ &cpu4_opp_table;
13 cpu0_opp_table: cpu0-opp-table {
14 compatible = "operating-points-v2";
15 opp-shared;
17 opp-403200000 {
18 opp-hz = /bits/ 64 <403200000>;
20 opp-499200000 {
21 opp-hz = /bits/ 64 <499200000>;
[all …]
/Linux-v6.1/drivers/cpufreq/
Dqcom-cpufreq-hw.c1 // SPDX-License-Identifier: GPL-2.0
49 * Mutex to synchronize between de-init sequence and re-starting LMh
71 struct dev_pm_opp *opp; in qcom_cpufreq_set_bw() local
75 dev = get_cpu_device(policy->cpu); in qcom_cpufreq_set_bw()
77 return -ENODEV; in qcom_cpufreq_set_bw()
79 opp = dev_pm_opp_find_freq_exact(dev, freq_hz, true); in qcom_cpufreq_set_bw()
80 if (IS_ERR(opp)) in qcom_cpufreq_set_bw()
81 return PTR_ERR(opp); in qcom_cpufreq_set_bw()
83 ret = dev_pm_opp_set_opp(dev, opp); in qcom_cpufreq_set_bw()
84 dev_pm_opp_put(opp); in qcom_cpufreq_set_bw()
[all …]
/Linux-v6.1/arch/arm64/boot/dts/nvidia/
Dtegra132-peripherals-opp.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 /* EMC DVFS OPP table */
5 emc_icc_dvfs_opp_table: opp-table-dvfs0 {
6 compatible = "operating-points-v2";
8 opp-12750000-800 {
9 opp-microvolt = <800000 800000 1150000>;
10 opp-hz = /bits/ 64 <12750000>;
11 opp-supported-hw = <0x0003>;
14 opp-12750000-950 {
15 opp-microvolt = <950000 950000 1150000>;
[all …]

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