On Wed, Jun 18, 2025 at 12:22:08PM GMT, Michal Wilczynski wrote: > Extend the TH1520 AON to describe the GPU clkgen reset line, required > for proper GPU clock and reset sequencing. > > The T-HEAD TH1520 GPU requires coordinated management of two clocks > (core and sys) and two resets (GPU core reset and GPU clkgen reset). > Only the clkgen reset is exposed at the AON level, to support SoC > specific initialization handled through a dedicated auxiliary power > sequencing driver. The GPU core reset remains described in the GPU > device node, as from the GPU driver's perspective, there is only a > single reset line [1]. > > This follows upstream maintainers' recommendations [2] to abstract SoC > specific details into the PM domain layer rather than exposing them to > drivers directly. > > Link: > https://lore.kernel.org/all/816db99d-7088-4c1a-af03-b9a825ac0...@imgtec.com/ > - [1] > Link: > https://lore.kernel.org/all/38d9650fc11a674c8b689d6bab937...@kernel.org/ - [2] > > Reviewed-by: Ulf Hansson <ulf.hans...@linaro.org> > Signed-off-by: Michal Wilczynski <m.wilczyn...@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlow...@linaro.org> Best regards, Krzysztof
