| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 1 | # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/arm/mediatek/mediatek,mmsys.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: MediaTek mmsys controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Matthias Brugger <matthias.bgg@gmail.com> |
| 11 | |
| 12 | description: |
| 13 | The MediaTek mmsys system controller provides clock control, routing control, |
| 14 | and miscellaneous control in mmsys partition. |
| 15 | |
| 16 | properties: |
| 17 | $nodename: |
| 18 | pattern: "^syscon@[0-9a-f]+$" |
| 19 | |
| 20 | compatible: |
| 21 | oneOf: |
| 22 | - items: |
| 23 | - enum: |
| 24 | - mediatek,mt2701-mmsys |
| 25 | - mediatek,mt2712-mmsys |
| 26 | - mediatek,mt6765-mmsys |
| 27 | - mediatek,mt6779-mmsys |
| 28 | - mediatek,mt6795-mmsys |
| 29 | - mediatek,mt6797-mmsys |
| 30 | - mediatek,mt8167-mmsys |
| 31 | - mediatek,mt8173-mmsys |
| 32 | - mediatek,mt8183-mmsys |
| 33 | - mediatek,mt8186-mmsys |
| 34 | - mediatek,mt8188-vdosys0 |
| 35 | - mediatek,mt8192-mmsys |
| 36 | - mediatek,mt8195-vdosys1 |
| 37 | - mediatek,mt8195-vppsys0 |
| 38 | - mediatek,mt8195-vppsys1 |
| 39 | - mediatek,mt8365-mmsys |
| 40 | - const: syscon |
| 41 | |
| 42 | - description: vdosys0 and vdosys1 are 2 display HW pipelines, |
| 43 | so mt8195 binding should be deprecated. |
| 44 | deprecated: true |
| 45 | items: |
| 46 | - const: mediatek,mt8195-mmsys |
| 47 | - const: syscon |
| 48 | |
| 49 | - items: |
| 50 | - const: mediatek,mt7623-mmsys |
| 51 | - const: mediatek,mt2701-mmsys |
| 52 | - const: syscon |
| 53 | |
| 54 | - items: |
| 55 | - const: mediatek,mt8195-vdosys0 |
| 56 | - const: mediatek,mt8195-mmsys |
| 57 | - const: syscon |
| 58 | |
| 59 | reg: |
| 60 | maxItems: 1 |
| 61 | |
| 62 | power-domains: |
| 63 | description: |
| 64 | A phandle and PM domain specifier as defined by bindings |
| 65 | of the power controller specified by phandle. See |
| 66 | Documentation/devicetree/bindings/power/power-domain.yaml for details. |
| 67 | |
| 68 | mboxes: |
| 69 | description: |
| 70 | Using mailbox to communicate with GCE, it should have this |
| 71 | property and list of phandle, mailbox specifiers. See |
| 72 | Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml |
| 73 | for details. |
| 74 | $ref: /schemas/types.yaml#/definitions/phandle-array |
| 75 | |
| 76 | mediatek,gce-client-reg: |
| 77 | description: |
| 78 | The register of client driver can be configured by gce with 4 arguments |
| 79 | defined in this property, such as phandle of gce, subsys id, |
| 80 | register offset and size. |
| 81 | Each subsys id is mapping to a base address of display function blocks |
| 82 | register which is defined in the gce header |
| 83 | include/dt-bindings/gce/<chip>-gce.h. |
| 84 | $ref: /schemas/types.yaml#/definitions/phandle-array |
| 85 | maxItems: 1 |
| 86 | |
| 87 | "#clock-cells": |
| 88 | const: 1 |
| 89 | |
| 90 | '#reset-cells': |
| 91 | const: 1 |
| 92 | |
| 93 | required: |
| 94 | - compatible |
| 95 | - reg |
| 96 | - "#clock-cells" |
| 97 | |
| 98 | additionalProperties: false |
| 99 | |
| 100 | examples: |
| 101 | - | |
| 102 | #include <dt-bindings/power/mt8173-power.h> |
| 103 | #include <dt-bindings/gce/mt8173-gce.h> |
| 104 | |
| 105 | mmsys: syscon@14000000 { |
| 106 | compatible = "mediatek,mt8173-mmsys", "syscon"; |
| 107 | reg = <0x14000000 0x1000>; |
| 108 | power-domains = <&spm MT8173_POWER_DOMAIN_MM>; |
| 109 | #clock-cells = <1>; |
| 110 | #reset-cells = <1>; |
| 111 | mboxes = <&gce 0 CMDQ_THR_PRIO_HIGHEST>, |
| 112 | <&gce 1 CMDQ_THR_PRIO_HIGHEST>; |
| 113 | mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0 0x1000>; |
| 114 | }; |