On 1/21/25 10:55, Ulf Hansson wrote: > On Mon, 20 Jan 2025 at 18:21, Michal Wilczynski > <m.wilczynski@xxxxxxxxxxx> wrote: >> >> The T-Head TH1520 SoC contains multiple power islands that can be >> programmatically turned on and off using the AON (Always-On) protocol >> and a hardware mailbox [1]. The relevant mailbox driver has already been >> merged into the mainline kernel in commit 5d4d263e1c6b ("mailbox: >> Introduce support for T-head TH1520 Mailbox driver"); >> >> This commit introduces a power-domain driver for the TH1520 SoC, which >> is using AON firmware protocol to communicate with E902 core through the >> hardware mailbox. This way it can send power on/off commands to the E902 >> core. >> >> Link: https://protect2.fireeye.com/v1/url?k=aca9147a-cd220149-aca89f35-000babff9bb7-dfbb0fd97ae06334&q=1&e=7a720b7b-4489-48b9-b901-404180e7bc23&u=https%3A%2F%2Fopenbeagle.org%2Fbeaglev-ahead%2Fbeaglev-ahead%2F-%2Fblob%2Fmain%2Fdocs%2FTH1520%2520System%2520User%2520Manual.pdf [1] >> >> Signed-off-by: Michal Wilczynski <m.wilczynski@xxxxxxxxxxx> > > Reviewed-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx> > > I guess this depends on patch2 and patch3. Not sure what's the best > way to merge this, but I can certainly funnel them all three through > my pmdomain tree if that sounds feasible. Just let me know. > > Kind regards > Uffe Thanks Ulf. I've made some changes based on my discussion with Krzysztof, so I'll hold off on adding your Reviewed-by tag until v4. Once we've addressed any remaining comments, it would be great if you could take the firmware and power-domain patches through your tree. > >> ---