0001 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: "http://devicetree.org/schemas/arm/mediatek/mediatek,mmsys.yaml#"
0005 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
0006
0007 title: MediaTek mmsys controller
0008
0009 maintainers:
0010 - Matthias Brugger <matthias.bgg@gmail.com>
0011
0012 description:
0013 The MediaTek mmsys system controller provides clock control, routing control,
0014 and miscellaneous control in mmsys partition.
0015
0016 properties:
0017 $nodename:
0018 pattern: "^syscon@[0-9a-f]+$"
0019
0020 compatible:
0021 oneOf:
0022 - items:
0023 - enum:
0024 - mediatek,mt2701-mmsys
0025 - mediatek,mt2712-mmsys
0026 - mediatek,mt6765-mmsys
0027 - mediatek,mt6779-mmsys
0028 - mediatek,mt6797-mmsys
0029 - mediatek,mt8167-mmsys
0030 - mediatek,mt8173-mmsys
0031 - mediatek,mt8183-mmsys
0032 - mediatek,mt8186-mmsys
0033 - mediatek,mt8192-mmsys
0034 - mediatek,mt8195-mmsys
0035 - mediatek,mt8365-mmsys
0036 - const: syscon
0037 - items:
0038 - const: mediatek,mt7623-mmsys
0039 - const: mediatek,mt2701-mmsys
0040 - const: syscon
0041
0042 reg:
0043 maxItems: 1
0044
0045 power-domains:
0046 description:
0047 A phandle and PM domain specifier as defined by bindings
0048 of the power controller specified by phandle. See
0049 Documentation/devicetree/bindings/power/power-domain.yaml for details.
0050
0051 mboxes:
0052 description:
0053 Using mailbox to communicate with GCE, it should have this
0054 property and list of phandle, mailbox specifiers. See
0055 Documentation/devicetree/bindings/mailbox/mtk-gce.txt for details.
0056 $ref: /schemas/types.yaml#/definitions/phandle-array
0057
0058 mediatek,gce-client-reg:
0059 description:
0060 The register of client driver can be configured by gce with 4 arguments
0061 defined in this property, such as phandle of gce, subsys id,
0062 register offset and size.
0063 Each subsys id is mapping to a base address of display function blocks
0064 register which is defined in the gce header
0065 include/dt-bindings/gce/<chip>-gce.h.
0066 $ref: /schemas/types.yaml#/definitions/phandle-array
0067 maxItems: 1
0068
0069 "#clock-cells":
0070 const: 1
0071
0072 '#reset-cells':
0073 const: 1
0074
0075 required:
0076 - compatible
0077 - reg
0078 - "#clock-cells"
0079
0080 additionalProperties: false
0081
0082 examples:
0083 - |
0084 #include <dt-bindings/power/mt8173-power.h>
0085 #include <dt-bindings/gce/mt8173-gce.h>
0086
0087 mmsys: syscon@14000000 {
0088 compatible = "mediatek,mt8173-mmsys", "syscon";
0089 reg = <0x14000000 0x1000>;
0090 power-domains = <&spm MT8173_POWER_DOMAIN_MM>;
0091 #clock-cells = <1>;
0092 #reset-cells = <1>;
0093 mboxes = <&gce 0 CMDQ_THR_PRIO_HIGHEST>,
0094 <&gce 1 CMDQ_THR_PRIO_HIGHEST>;
0095 mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0 0x1000>;
0096 };
