Hello All, The K3 J722S SoCs have one single-core Arm Cortex-R5F processor in each of the WAKEUP, MCU and MAIN voltage domain, and two C71x DSP subsystems in MAIN voltage domain. Thus, this series adds the DT Nodes for the remote processors to add support for IPC. This series also enables IPC on the J722S-EVM platform based on the above SoC by adding the mailbox instances, shared memory carveouts and reserving the conflicting timer nodes (as they are used by remoteproc firmware). v4: Changelog: * Nishanth: 1) Fixed DT node properties order to put standard properties before vendor specific properties in patch "arm64: dts: ti: k3-j722s-main: Add R5F and C7x remote processor nodes" 2) Put "status" property at the end in extended DT nodes and preceded child nodes with a single blank line wherever applicable in patch "arm64: dts: ti: k3-j722s-evm: Enable Inter-Processor Communication" following kernel DTS coding style. Link to v3: https://lore.kernel.org/all/20240828112713.2668526-1-b-padhi@xxxxxx/ v3: Changelog: 1) Reserved conflicting Timer Nodes in k3-j722s-evm.dts file to avoid remotecore boot failures. Link to v2: https://lore.kernel.org/all/20240612112259.1131653-1-b-padhi@xxxxxx/ v2: Changelog: 1) Addressed Andrew's comments to refactor remotecore nodes into k3-j722s-main.dtsi file. 2) Squashed Patch 2 and 3 from V1 into Patch 2 in V2 as they were doing the same logical thing. 3) The DTBs check warnings from V1 are automatically fixed after a dt-binding patch[0] was merged in linux-next. Link to v1: https://lore.kernel.org/all/20240607090433.488454-1-b-padhi@xxxxxx/ [0]: https://lore.kernel.org/all/20240604171450.2455-1-hnagalla@xxxxxx/ Apurva Nandan (2): arm64: dts: ti: k3-j722s-main: Add R5F and C7x remote processor nodes arm64: dts: ti: k3-j722s-evm: Enable Inter-Processor Communication arch/arm64/boot/dts/ti/k3-j722s-evm.dts | 157 ++++++++++++++++++++++ arch/arm64/boot/dts/ti/k3-j722s-main.dtsi | 61 +++++++++ 2 files changed, 218 insertions(+) -- 2.34.1
