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Diffstat (limited to 'Documentation/devicetree/bindings/interconnect/mediatek,mt8183-emi.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/interconnect/mediatek,mt8183-emi.yaml | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/interconnect/mediatek,mt8183-emi.yaml b/Documentation/devicetree/bindings/interconnect/mediatek,mt8183-emi.yaml new file mode 100644 index 000000000000..017c8478b2a7 --- /dev/null +++ b/Documentation/devicetree/bindings/interconnect/mediatek,mt8183-emi.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interconnect/mediatek,mt8183-emi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek External Memory Interface (EMI) Interconnect + +maintainers: + - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> + +description: | + EMI interconnect providers support system bandwidth requirements through + Dynamic Voltage Frequency Scaling Resource Collector (DVFSRC) hardware. + The provider is able to communicate with the DVFSRC through Secure Monitor + Call (SMC). + + ICC provider ICC Nodes + ---- ---- + _________ |CPU | |--- |VPU | + _____ | |----- ---- | ---- + | |->| DRAM | ---- | ---- + |DRAM |->|scheduler|----- |GPU | |--- |DISP| + | |->| (EMI) | ---- | ---- + |_____|->|_________|---. ----- | ---- + /|\ `-|MMSYS|--|--- |VDEC| + | ----- | ---- + | | ---- + | change DRAM freq |--- |VENC| + -------- | ---- + SMC --> | DVFSRC | | ---- + -------- |--- |IMG | + | ---- + | ---- + |--- |CAM | + ---- + +properties: + compatible: + enum: + - mediatek,mt8183-emi + - mediatek,mt8195-emi + + '#interconnect-cells': + const: 1 + +required: + - compatible + - '#interconnect-cells' + +unevaluatedProperties: false |