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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/arm/apple/apple,pmgr.yaml
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

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%YAML 1.2

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---

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$id: http://devicetree.org/schemas/arm/apple/apple,pmgr.yaml#

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$schema: http://devicetree.org/meta-schemas/core.yaml#

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title: Apple SoC Power Manager (PMGR)

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maintainers:

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  - Hector Martin <marcan@marcan.st>

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description: |

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  Apple SoCs include PMGR blocks responsible for power management,

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  which can control various clocks, resets, power states, and

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  performance features. This node represents the PMGR as a syscon,

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  with sub-nodes representing individual features.

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properties:

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  $nodename:

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    pattern: "^power-management@[0-9a-f]+$"

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  compatible:

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    oneOf:

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      - items:

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          - enum:

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              # Do not add additional SoC to this list.

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              - apple,s5l8960x-pmgr

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              - apple,t7000-pmgr

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              - apple,s8000-pmgr

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              - apple,t8010-pmgr

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              - apple,t8015-pmgr

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              - apple,t8103-pmgr

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              - apple,t8112-pmgr

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              - apple,t6000-pmgr

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          - const: apple,pmgr

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          - const: syscon

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          - const: simple-mfd

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      - items:

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          - const: apple,t6020-pmgr

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          - const: apple,t8103-pmgr

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          - const: syscon

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          - const: simple-mfd

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  reg:

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    maxItems: 1

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  "#address-cells":

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    const: 1

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  "#size-cells":

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    const: 1

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patternProperties:

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  "power-controller@[0-9a-f]+$":

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    description:

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      The individual power management domains within this controller

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    type: object

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    $ref: /schemas/power/apple,pmgr-pwrstate.yaml#

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required:

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  - compatible

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  - reg

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additionalProperties: false

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examples:

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  - |

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    soc {

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        #address-cells = <2>;

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        #size-cells = <2>;

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        power-management@23b700000 {

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            compatible = "apple,t8103-pmgr", "apple,pmgr", "syscon", "simple-mfd";

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            #address-cells = <1>;

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            #size-cells = <1>;

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            reg = <0x2 0x3b700000 0x0 0x14000>;

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            ps_sio: power-controller@1c0 {

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                compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";

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                reg = <0x1c0 8>;

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                #power-domain-cells = <0>;

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                #reset-cells = <0>;

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                label = "sio";

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                apple,always-on;

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            };

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            ps_uart_p: power-controller@220 {

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                compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";

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                reg = <0x220 8>;

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                #power-domain-cells = <0>;

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                #reset-cells = <0>;

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                label = "uart_p";

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                power-domains = <&ps_sio>;

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            };

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            ps_uart0: power-controller@270 {

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                compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";

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                reg = <0x270 8>;

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                #power-domain-cells = <0>;

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                #reset-cells = <0>;

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                label = "uart0";

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                power-domains = <&ps_uart_p>;

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            };

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        };

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        power-management@23d280000 {

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            compatible = "apple,t8103-pmgr", "apple,pmgr", "syscon", "simple-mfd";

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            #address-cells = <1>;

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            #size-cells = <1>;

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            reg = <0x2 0x3d280000 0x0 0xc000>;

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            ps_aop_filter: power-controller@4000 {

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                compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";

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                reg = <0x4000 8>;

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                #power-domain-cells = <0>;

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                #reset-cells = <0>;

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                label = "aop_filter";

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            };

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            ps_aop_base: power-controller@4010 {

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                compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";

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                reg = <0x4010 8>;

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                #power-domain-cells = <0>;

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                #reset-cells = <0>;

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                label = "aop_base";

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                power-domains = <&ps_aop_filter>;

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            };

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            ps_aop_shim: power-controller@4038 {

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                compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";

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                reg = <0x4038 8>;

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                #power-domain-cells = <0>;

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                #reset-cells = <0>;

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                label = "aop_shim";

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                power-domains = <&ps_aop_base>;

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            };

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            ps_aop_uart0: power-controller@4048 {

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                compatible = "apple,t8103-pmgr-pwrstate", "apple,pmgr-pwrstate";

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                reg = <0x4048 8>;

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                #power-domain-cells = <0>;

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                #reset-cells = <0>;

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                label = "aop_uart0";

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                power-domains = <&ps_aop_shim>;

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            };

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        };

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    };

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