cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

cpufreq-mediatek-hw.yaml (1709B)


      1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
      2%YAML 1.2
      3---
      4$id: http://devicetree.org/schemas/cpufreq/cpufreq-mediatek-hw.yaml#
      5$schema: http://devicetree.org/meta-schemas/core.yaml#
      6
      7title: MediaTek's CPUFREQ Bindings
      8
      9maintainers:
     10  - Hector Yuan <hector.yuan@mediatek.com>
     11
     12description:
     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.
     16
     17properties:
     18  compatible:
     19    const: mediatek,cpufreq-hw
     20
     21  reg:
     22    minItems: 1
     23    maxItems: 2
     24    description:
     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.
     28
     29  "#performance-domain-cells":
     30    description:
     31      Number of cells in a performance domain specifier.
     32      Set const to 1 here for nodes providing multiple
     33      performance domains.
     34    const: 1
     35
     36required:
     37  - compatible
     38  - reg
     39  - "#performance-domain-cells"
     40
     41additionalProperties: false
     42
     43examples:
     44  - |
     45    cpus {
     46            #address-cells = <1>;
     47            #size-cells = <0>;
     48
     49            cpu0: cpu@0 {
     50                device_type = "cpu";
     51                compatible = "arm,cortex-a55";
     52                enable-method = "psci";
     53                performance-domains = <&performance 0>;
     54                reg = <0x000>;
     55            };
     56    };
     57
     58    /* ... */
     59
     60    soc {
     61        #address-cells = <2>;
     62        #size-cells = <2>;
     63
     64        performance: performance-controller@11bc00 {
     65            compatible = "mediatek,cpufreq-hw";
     66            reg = <0 0x0011bc10 0 0x120>, <0 0x0011bd30 0 0x120>;
     67
     68            #performance-domain-cells = <1>;
     69        };
     70    };