1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 $id: http://devicetree.org/schemas/cpufreq/cpufreq-mediatek-hw.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: MediaTek's CPUFREQ Bindings
10 - Hector Yuan <hector.yuan@mediatek.com>
13 CPUFREQ HW is a hardware engine used by MediaTek SoCs to
14 manage frequency in hardware. It is capable of controlling
15 frequency for multiple clusters.
19 const: mediatek,cpufreq-hw
25 Addresses and sizes for the memory of the HW bases in
26 each frequency domain. Each entry corresponds to
27 a register bank for each frequency domain present.
29 "#performance-domain-cells":
31 Number of cells in a performance domain specifier.
32 Set const to 1 here for nodes providing multiple
39 - "#performance-domain-cells"
41 additionalProperties: false
51 compatible = "arm,cortex-a55";
52 enable-method = "psci";
53 performance-domains = <&performance 0>;
64 performance: performance-controller@11bc00 {
65 compatible = "mediatek,cpufreq-hw";
66 reg = <0 0x0011bc10 0 0x120>, <0 0x0011bd30 0 0x120>;
68 #performance-domain-cells = <1>;