Re: [PATCH v4 4/4] arm64: dts: broadcom: Add support for BCM2712

Andrea della Porta
2024-05-30T09:23:49Z

Hi Stefan,

On 08:11 Thu 30 May , Stefan Wahren wrote:
[cut...]
> > + clocks {
> > + /* The oscillator is the root of the clock tree. */
> > + clk_osc: clk-osc {
> > + compatible = "fixed-clock";
> > + #clock-cells = <0>;
> > + clock-output-names = "osc";
> > + clock-frequency = <54000000>;
> > + };
> > +
> > + clk_vpu: clk-vpu {
> > + #clock-cells = <0>;
> > + compatible = "fixed-clock";
> > + clock-frequency = <750000000>;
> > + clock-output-names = "vpu-clock";
> > + };
> Is the VPU clock really fixed or is it just a workaround for minimal
> boot support?

Unfortunately I don't have enough insight on this due to lack of documentation.
I had to take it by faith from downstream dts.

Many thanks,
Andrea