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authorMichal Wilczynski <[email protected]>2025-03-11 17:18:57 +0000
committerUlf Hansson <[email protected]>2025-03-13 13:41:32 +0000
commite4b3cbd840e565484d0ad8d260d27c057466ed17 (patch)
treec12e06e0f620b475b35800a37c5e55a43ca11561 /drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c
parentdt-bindings: firmware: thead,th1520: Add support for firmware node (diff)
downloadkernel-e4b3cbd840e565484d0ad8d260d27c057466ed17.tar.gz
kernel-e4b3cbd840e565484d0ad8d260d27c057466ed17.zip
firmware: thead: Add AON firmware protocol driver
The T-Head TH1520 SoC uses an E902 co-processor running Always-On (AON) firmware to manage power, clock, and other system resources [1]. This patch introduces a driver implementing the AON firmware protocol, allowing the Linux kernel to communicate with the firmware via mailbox channels. Through an RPC-based interface, the kernel can initiate power state transitions, update resource configurations, and perform other AON-related tasks. [1] Link: https://openbeagle.org/beaglev-ahead/beaglev-ahead/-/blob/main/docs/TH1520%20System%20User%20Manual.pdf Signed-off-by: Michal Wilczynski <[email protected]> Acked-by: Drew Fustini <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c')
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