Hi Nishanth, Francesco, On Aug 02, 2023 at 09:00:20 -0500, Nishanth Menon wrote: > On 15:41-20230802, Francesco Dolcini wrote: > > On Wed, Aug 02, 2023 at 08:32:44AM -0500, Nishanth Menon wrote: > > > On 13:37-20230802, Francesco Dolcini wrote: > > > > Il 2 agosto 2023 13:23:50 CEST, Jai Luthra <j-luthra@xxxxxx> ha scritto: > > > > >On Jul 31, 2023 at 16:21:32 +0200, Francesco Dolcini wrote: > > > > >> From: Jai Luthra <j-luthra@xxxxxx> > > > > >> > > > > >> On AM62-based SoCs the AUDIO_REFCLKx clocks can be used as an input to > > > > >> external peripherals when configured through CTRL_MMR, so add the > > > > >> clock nodes. > > > > >> > > > > >> Signed-off-by: Jai Luthra <j-luthra@xxxxxx> > > > > >> Signed-off-by: Francesco Dolcini <francesco.dolcini@xxxxxxxxxxx> > > > > >> --- > > > > >> arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 18 ++++++++++++++++++ > > > > >> arch/arm64/boot/dts/ti/k3-am62a-main.dtsi | 18 ++++++++++++++++++ > > > > > > > > > >Given currently none of the AM62A boards are using the refclks, can you > > > > >drop those or just mark the nodes as disabled. Whoever is the first user > > > > >can enable them. > > > > > > > > I can drop the 2 clocks from AM62A, however, should we really do it? > > > > These clocks exist and they are just defined in the DTS, they are > > > > not going to be enabled if not used, "ti,am62-epwm-tbclk" is also > > > > not disabled for example. > > > > > > Overall, the SoC clock as such has nothing to do with board specific, so > > > leave it default (enabled) in SoC.dts - just want to make sure that the > > > clk-parent selection doesn't get in the way of platforms and is a sane > > > default. > > > > When I looked into that, months ago, this looked to me the correct and a > > sane default. I had the same in our downstream way before the addition > > from Jai Luthra to the SoC dtsi. > > > > Not sure if Jai can add more on that regard. > > > > > pll2_hsdiv8 output - which looks like the default mux value anyways.. > > > I am ok for it being explicit, but wondering if that works for boards > > > that do not use this default. > > > > IFF needed, it would be very easy to just override from the board dts, > > using the labels that are already there (audio_refclk0, audio_refclk1). > > Jai: This sounds sane to me, if you are OK as well, I'd appreciate a reviewed-by > Makes sense, most external peripherals would prefer that default PLL as parent - for other usecases what Francesco said can work. Reviewed-by: Jai Luthra <j-luthra@xxxxxx> > > > > > (sidenote): Fransesco - your new mail client has line wrap issues ;) > > Yep, I had the crazy idea to reply from my mobile phone while having a > > walk. It's already a success that I did not top post ;-) > > hehe ;) > > -- > Regards, > Nishanth Menon > Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D > -- Thanks, Jai GPG Fingerprint: 4DE0 D818 E5D5 75E8 D45A AFC5 43DE 91F9 249A 7145
Attachment:
signature.asc
Description: PGP signature