CC devicetree On Fri, 24 Jan 2025 at 15:42, Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote: > Just FYI, below is a foward of pull request for dtschema for bindings > adding spread spectrum to clocks. As Clock framework maintainers this > might be relevant to you. > > -------- Forwarded Message -------- > Subject: [devicetree-org/dt-schema] schemas: introduce > assigned-clock-sscs (PR #154) > Date: Fri, 24 Jan 2025 04:31:30 -0800 > From: Peng Fan <notifications@xxxxxxxxxx> > Reply-To: devicetree-org/dt-schema > <reply+ACPRLI5YLXX27TFZX2P7NVOFT5USFEVBNHHKO4ZXHM@xxxxxxxxxxxxxxxx> > To: devicetree-org/dt-schema <dt-schema@xxxxxxxxxxxxxxxxxx> > CC: Subscribed <subscribed@xxxxxxxxxxxxxxxxxx> > > To support spread spectrum clock, introduce assigned-clock-sscs, it is > an uint32-matrix with format multiple elements of below > <modfreq spreadpercentage modmethod>, <...> > You can view, comment on, or merge this pull request online at: > > https://github.com/devicetree-org/dt-schema/pull/154 > > -- Commit Summary -- > > * schemas: introduce assigned-clock-sscs > assigned-clock-sscs: > $ref: /schemas/types.yaml#/definitions/uint32-matrix > items: > items: > - description: The modulation frequency > - description: The modulation depth in permyriad > - description: The modulation method, down(2), up(1), center(0) Is there a way to explicitly disable it, if it was enabled by the firmware? See also my comment in "Re: [PATCH v2 1/4] clk: Introduce clk_hw_set_spread_spectrum". > minimum: 0 > maximum: 2 What's the meaning of these limits? [1] https://lore.kernel.or/CAMuHMdWn+sKiC1B4MF1vHwS2ArFYQXGzpYi2EcsyERPSCc9bvQ@xxxxxxxxxxxxxx Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
