2 Commits

Author SHA1 Message Date
AngeloGioacchino Del Regno
ce69a97039 interconnect: mediatek: Add support for MediaTek MT8196 EMI ICC
Add a new driver with data to register the External Memory
Interface (EMI) Interconnect on the MediaTek MT8196 Chromebook
SoC.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Link: https://lore.kernel.org/r/20251124-mt8196-dvfsrc-v2-11-d9c1334db9f3@collabora.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2025-12-21 13:59:38 +02:00
AngeloGioacchino Del Regno
b45293799f interconnect: mediatek: Add MediaTek MT8183/8195 EMI Interconnect driver
Add an interconnect driver for the External Memory Interface (EMI),
voting for bus bandwidth over the Dynamic Voltage and Frequency Scaling
Resource Collector (DVFSRC).

             ICC provider         ICC Nodes
                              ----          ----
             ---------       |CPU |   |--- |VPU |
    -----   |         |-----  ----    |     ----
   |DRAM |--|DRAM     |       ----    |     ----
   |     |--|scheduler|----- |GPU |   |--- |DISP|
   |     |--|(EMI)    |       ----    |     ----
   |     |--|         |       -----   |     ----
    -----   |         |----- |MMSYS|--|--- |VDEC|
             ---------        -----   |     ----
               /|\                    |     ----
                |change DRAM freq     |--- |VENC|
             ----------               |     ----
            |  DVFSR   |              |
            |          |              |     ----
             ----------               |--- |IMG |
                                      |     ----
                                      |     ----
                                      |--- |CAM |
                                            ----

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20240610085735.147134-8-angelogioacchino.delregno@collabora.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
2024-06-13 14:31:43 +03:00