Hi Abel,
Am Freitag, den 07.12.2018, 16:17 +0000 schrieb Abel Vesa:
> On Fri, Nov 16, 2018 at 05:25:24PM -0600, Rob Herring wrote:
>
> > > +
> > > + clk_ext1: clock-ext1 {
> > > + compatible = "fixed-clock";
> > > + #clock-cells = <0>;
> > > + clock-frequency = <133000000>;
> > > + clock-output-names = "clk_ext1";
> > > + };
> > > +
> > > + clk_ext2: clock-ext2 {
> > > + compatible = "fixed-clock";
> > > + #clock-cells = <0>;
> > > + clock-frequency = <133000000>;
> > > + clock-output-names = "clk_ext2";
> > > + };
> > > +
> > > + clk_ext3: clock-ext3 {
> > > + compatible = "fixed-clock";
> > > + #clock-cells = <0>;
> > > + clock-frequency = <133000000>;
> > > + clock-output-names = "clk_ext3";
> > > + };
> > > +
> > > + clk_ext4: clock-ext4 {
> > > + compatible = "fixed-clock";
> > > + #clock-cells = <0>;
> > > + clock-frequency= <133000000>;
> > > + clock-output-names = "clk_ext4";
> > > + };
> >
> > This is really 4 independent clocks or is 1 clock connected to 4
> > sinks?
>
> According to the RM, yes, there are 4 independent clocks. Here is a
> link to the rm:
>
> https://www.nxp.com/webapp/Download?colCode=IMX8MEVKBHUG (page 829)
>
> Unfortunately, the old link (which worked without login) does not
> work anymore.
It's really 4 clock inputs to the SoC, but they may actually be
connected to the same clock source on the board. So I really wonder if
we should even put this into the base SoC DT, but rather push this into
individual board DTs.
Regards,
Lucas
