52 lines · yaml
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause2%YAML 1.23---4$id: http://devicetree.org/schemas/interconnect/mediatek,mt8183-emi.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: MediaTek External Memory Interface (EMI) Interconnect8 9maintainers:10 - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>11 12description: |13 EMI interconnect providers support system bandwidth requirements through14 Dynamic Voltage Frequency Scaling Resource Collector (DVFSRC) hardware.15 The provider is able to communicate with the DVFSRC through Secure Monitor16 Call (SMC).17 18 ICC provider ICC Nodes19 ---- ----20 _________ |CPU | |--- |VPU |21 _____ | |----- ---- | ----22 | |->| DRAM | ---- | ----23 |DRAM |->|scheduler|----- |GPU | |--- |DISP|24 | |->| (EMI) | ---- | ----25 |_____|->|_________|---. ----- | ----26 /|\ `-|MMSYS|--|--- |VDEC|27 | ----- | ----28 | | ----29 | change DRAM freq |--- |VENC|30 -------- | ----31 SMC --> | DVFSRC | | ----32 -------- |--- |IMG |33 | ----34 | ----35 |--- |CAM |36 ----37 38properties:39 compatible:40 enum:41 - mediatek,mt8183-emi42 - mediatek,mt8195-emi43 44 '#interconnect-cells':45 const: 146 47required:48 - compatible49 - '#interconnect-cells'50 51unevaluatedProperties: false52