[PATCH 1/1] clk-imx35: Add clko clock support
Shawn Guo
shawn.guo at freescale.com
Tue Jun 24 23:53:03 PDT 2014
On Mon, Jun 23, 2014 at 08:21:49AM +0200, Alexander Stein wrote:
> > > @@ -49,6 +49,13 @@ static struct clk_onecell_data clk_data;
> > >
> > > static const char *std_sel[] = {"ppll", "arm"};
> > > static const char *ipg_per_sel[] = {"ahb_per_div", "arm_per_div"};
> > > +static const char *clko_select[] = {"ckil", "osc", "osc_audio", "dummy",
> > > + "mpll_075", "mpll", "ppll", "arm",
> > > + "ahb", "ipg", "ipg_per", "usbdiv",
> > > + "esdhc1_div", "ssi1_div_post", "mlb_gate",
> > > + "mshc_gate", "mpll_lock", "csi_div",
> > > + "spdif_div_post", "uart1_gate", "asrc",
> > > + "dptc", "arm_ungated", "nfc_div", "hsp"};
> >
> > Any new string you add here should have a corresponding clk in clock
> > framework.
>
> Ew, ok... As lots of those clocks are not (yet?) supported in the clock framework this list will contains many "dummy" entries, but well I get your point.
>
Right. Either you do not create the string or you create the clock
behind the string together.
...
> > > @@ -260,6 +273,7 @@ int __init mx35_clocks_init(void)
> > > clk_register_clkdev(clk[nfc_div], NULL, "imx25-nand.0");
> > > clk_register_clkdev(clk[csi_gate], NULL, "mx3-camera.0");
> > > clk_register_clkdev(clk[admux_gate], "audmux", NULL);
> > > + clk_register_clkdev(clk[clko_gate], NULL, "clko.0");
> >
> > Will this lookup be used somewhere?
>
> Well, as this is a pretty customizable output clock signal, I think this will only be used in custom board implementation. Or is there any generic driver to configure an arbitrary programmable clock?
>
I prefer to add this lookup only when there is an in-tree user for it.
Shawn
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