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 7title: MediaTek mmsys controller 8 9maintainers: 10 - Matthias Brugger <matthias.bgg@gmail.com> 11 12description: 13 The MediaTek mmsys system controller provides clock control, routing control, 14 and miscellaneous control in mmsys partition. 15 16properties: 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,mt8192-mmsys 35 - mediatek,mt8195-mmsys 36 - mediatek,mt8365-mmsys 37 - const: syscon 38 - items: 39 - const: mediatek,mt7623-mmsys 40 - const: mediatek,mt2701-mmsys 41 - const: syscon 42 43 reg: 44 maxItems: 1 45 46 power-domains: 47 description: 48 A phandle and PM domain specifier as defined by bindings 49 of the power controller specified by phandle. See 50 Documentation/devicetree/bindings/power/power-domain.yaml for details. 51 52 mboxes: 53 description: 54 Using mailbox to communicate with GCE, it should have this 55 property and list of phandle, mailbox specifiers. See 56 Documentation/devicetree/bindings/mailbox/mtk-gce.txt for details. 57 $ref: /schemas/types.yaml#/definitions/phandle-array 58 59 mediatek,gce-client-reg: 60 description: 61 The register of client driver can be configured by gce with 4 arguments 62 defined in this property, such as phandle of gce, subsys id, 63 register offset and size. 64 Each subsys id is mapping to a base address of display function blocks 65 register which is defined in the gce header 66 include/dt-bindings/gce/<chip>-gce.h. 67 $ref: /schemas/types.yaml#/definitions/phandle-array 68 maxItems: 1 69 70 "#clock-cells": 71 const: 1 72 73 '#reset-cells': 74 const: 1 75 76required: 77 - compatible 78 - reg 79 - "#clock-cells" 80 81additionalProperties: false 82 83examples: 84 - | 85 #include <dt-bindings/power/mt8173-power.h> 86 #include <dt-bindings/gce/mt8173-gce.h> 87 88 mmsys: syscon@14000000 { 89 compatible = "mediatek,mt8173-mmsys", "syscon"; 90 reg = <0x14000000 0x1000>; 91 power-domains = <&spm MT8173_POWER_DOMAIN_MM>; 92 #clock-cells = <1>; 93 #reset-cells = <1>; 94 mboxes = <&gce 0 CMDQ_THR_PRIO_HIGHEST>, 95 <&gce 1 CMDQ_THR_PRIO_HIGHEST>; 96 mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0 0x1000>; 97 }; 98