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,mt6797-mmsys 29 - mediatek,mt8167-mmsys 30 - mediatek,mt8173-mmsys 31 - mediatek,mt8183-mmsys 32 - mediatek,mt8186-mmsys 33 - mediatek,mt8192-mmsys 34 - mediatek,mt8365-mmsys 35 - const: syscon 36 - items: 37 - const: mediatek,mt7623-mmsys 38 - const: mediatek,mt2701-mmsys 39 - const: syscon 40 41 reg: 42 maxItems: 1 43 44 power-domains: 45 description: 46 A phandle and PM domain specifier as defined by bindings 47 of the power controller specified by phandle. See 48 Documentation/devicetree/bindings/power/power-domain.yaml for details. 49 50 mboxes: 51 description: 52 Using mailbox to communicate with GCE, it should have this 53 property and list of phandle, mailbox specifiers. See 54 Documentation/devicetree/bindings/mailbox/mtk-gce.txt for details. 55 $ref: /schemas/types.yaml#/definitions/phandle-array 56 57 mediatek,gce-client-reg: 58 description: 59 The register of client driver can be configured by gce with 4 arguments 60 defined in this property, such as phandle of gce, subsys id, 61 register offset and size. 62 Each subsys id is mapping to a base address of display function blocks 63 register which is defined in the gce header 64 include/dt-bindings/gce/<chip>-gce.h. 65 $ref: /schemas/types.yaml#/definitions/phandle-array 66 maxItems: 1 67 68 "#clock-cells": 69 const: 1 70 71 '#reset-cells': 72 const: 1 73 74required: 75 - compatible 76 - reg 77 - "#clock-cells" 78 79additionalProperties: false 80 81examples: 82 - | 83 #include <dt-bindings/power/mt8173-power.h> 84 #include <dt-bindings/gce/mt8173-gce.h> 85 86 mmsys: syscon@14000000 { 87 compatible = "mediatek,mt8173-mmsys", "syscon"; 88 reg = <0x14000000 0x1000>; 89 power-domains = <&spm MT8173_POWER_DOMAIN_MM>; 90 #clock-cells = <1>; 91 #reset-cells = <1>; 92 mboxes = <&gce 0 CMDQ_THR_PRIO_HIGHEST>, 93 <&gce 1 CMDQ_THR_PRIO_HIGHEST>; 94 mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0 0x1000>; 95 }; 96