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/Linux-v5.15/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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/Linux-v5.15/Documentation/devicetree/bindings/opp/
Dallwinner,sun50i-h6-operating-points.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/opp/allwinner,sun50i-h6-operating-points.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Allwinner H6 CPU OPP Device Tree Bindings
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
15 OPP varies based on the silicon variant in use. Allwinner Process
18 sun50i-cpufreq-nvmem driver reads the efuse value from the SoC to
19 provide the OPP framework with required information.
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/Linux-v5.15/arch/arm64/boot/dts/allwinner/
Dsun50i-h6-cpu-opp.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 cpu_opp_table: cpu-opp-table {
7 compatible = "allwinner,sun50i-h6-operating-points";
8 nvmem-cells = <&cpu_speed_grade>;
9 opp-shared;
11 opp-480000000 {
12 clock-latency-ns = <244144>; /* 8 32k periods */
13 opp-hz = /bits/ 64 <480000000>;
15 opp-microvolt-speed0 = <880000 880000 1200000>;
16 opp-microvolt-speed1 = <820000 820000 1200000>;
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/Linux-v5.15/arch/arm/boot/dts/
Domap34xx.dtsi4 * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com/
11 #include <dt-bindings/bus/ti-sysc.h>
12 #include <dt-bindings/media/omap3-isp.h>
19 /* OMAP343x/OMAP35xx variants OPP1-6 */
20 operating-points-v2 = <&cpu0_opp_table>;
22 clock-latency = <300000>; /* From legacy driver */
23 #cooling-cells = <2>;
27 cpu0_opp_table: opp-table {
28 compatible = "operating-points-v2-ti-cpu";
31 opp1-125000000 {
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Dam33xx.dtsi4 * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/
11 #include <dt-bindings/bus/ti-sysc.h>
12 #include <dt-bindings/gpio/gpio.h>
13 #include <dt-bindings/pinctrl/am33xx.h>
14 #include <dt-bindings/clock/am3.h>
18 interrupt-parent = <&intc>;
19 #address-cells = <1>;
20 #size-cells = <1>;
33 d-can0 = &dcan0;
34 d-can1 = &dcan1;
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Dsun8i-a33.dtsi2 * Copyright 2014 Chen-Yu Tsai
4 * Chen-Yu Tsai <wens@csie.org>
6 * This file is dual-licensed: you can use it either under the terms
45 #include "sun8i-a23-a33.dtsi"
46 #include <dt-bindings/thermal/thermal.h>
50 compatible = "operating-points-v2";
51 opp-shared;
53 opp-120000000 {
54 opp-hz = /bits/ 64 <120000000>;
55 opp-microvolt = <1040000>;
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Dsun8i-a83t.dtsi6 * This file is dual-licensed: you can use it either under the terms
45 #include <dt-bindings/interrupt-controller/arm-gic.h>
47 #include <dt-bindings/clock/sun8i-a83t-ccu.h>
48 #include <dt-bindings/clock/sun8i-de2.h>
49 #include <dt-bindings/clock/sun8i-r-ccu.h>
50 #include <dt-bindings/reset/sun8i-a83t-ccu.h>
51 #include <dt-bindings/reset/sun8i-de2.h>
52 #include <dt-bindings/reset/sun8i-r-ccu.h>
53 #include <dt-bindings/thermal/thermal.h>
56 interrupt-parent = <&gic>;
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Dmeson8.dtsi1 // SPDX-License-Identifier: GPL-2.0 OR MIT
6 #include <dt-bindings/clock/meson8-ddr-clkc.h>
7 #include <dt-bindings/clock/meson8b-clkc.h>
8 #include <dt-bindings/gpio/meson8-gpio.h>
9 #include <dt-bindings/power/meson8-power.h>
10 #include <dt-bindings/reset/amlogic,meson8b-clkc-reset.h>
11 #include <dt-bindings/reset/amlogic,meson8b-reset.h>
12 #include <dt-bindings/thermal/thermal.h>
20 #address-cells = <1>;
21 #size-cells = <0>;
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Dmeson8b.dtsi1 // SPDX-License-Identifier: GPL-2.0 OR MIT
7 #include <dt-bindings/clock/meson8-ddr-clkc.h>
8 #include <dt-bindings/clock/meson8b-clkc.h>
9 #include <dt-bindings/gpio/meson8b-gpio.h>
10 #include <dt-bindings/power/meson8-power.h>
11 #include <dt-bindings/reset/amlogic,meson8b-reset.h>
12 #include <dt-bindings/reset/amlogic,meson8b-clkc-reset.h>
13 #include <dt-bindings/thermal/thermal.h>
18 #address-cells = <1>;
19 #size-cells = <0>;
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Dam4372.dtsi4 * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com/
11 #include <dt-bindings/bus/ti-sysc.h>
12 #include <dt-bindings/gpio/gpio.h>
13 #include <dt-bindings/interrupt-controller/arm-gic.h>
14 #include <dt-bindings/clock/am4.h>
18 interrupt-parent = <&wakeupgen>;
19 #address-cells = <1>;
20 #size-cells = <1>;
44 #address-cells = <1>;
45 #size-cells = <0>;
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/Linux-v5.15/arch/arm64/boot/dts/qcom/
Dsm8250.dtsi1 // SPDX-License-Identifier: BSD-3-Clause
6 #include <dt-bindings/interrupt-controller/arm-gic.h>
7 #include <dt-bindings/clock/qcom,dispcc-sm8250.h>
8 #include <dt-bindings/clock/qcom,gcc-sm8250.h>
9 #include <dt-bindings/clock/qcom,gpucc-sm8250.h>
10 #include <dt-bindings/clock/qcom,rpmh.h>
11 #include <dt-bindings/dma/qcom-gpi.h>
12 #include <dt-bindings/gpio/gpio.h>
13 #include <dt-bindings/interconnect/qcom,osm-l3.h>
14 #include <dt-bindings/interconnect/qcom,sm8250.h>
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