[U-Boot] [i.MX8MM+CCF 12/41] clk: fixed_rate: add pre reloc flag

Peng Fan
2019-05-07T13:29:41Z

> Subject: Re: [i.MX8MM+CCF 12/41] clk: fixed_rate: add pre reloc flag
>
> On Tue, 30 Apr 2019 10:18:12 +0000
> Peng Fan <peng.fan@nxp.com> wrote:
>
> > Add pre reloc flag to use this driver before relocation
> >
> > Signed-off-by: Peng Fan <peng.fan@nxp.com>
> > ---
> > drivers/clk/clk_fixed_rate.c | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/clk/clk_fixed_rate.c
> > b/drivers/clk/clk_fixed_rate.c index 069e643fbc..debada1463 100644
> > --- a/drivers/clk/clk_fixed_rate.c
> > +++ b/drivers/clk/clk_fixed_rate.c
> > @@ -45,4 +45,5 @@ U_BOOT_DRIVER(clk_fixed_rate) = {
> > .ofdata_to_platdata = clk_fixed_rate_ofdata_to_platdata,
> > .platdata_auto_alloc_size = sizeof(struct clk_fixed_rate),
> > .ops = &clk_fixed_rate_ops,
> > + .flags = DM_FLAG_PRE_RELOC,
> > };
>
> This probably shall be done with proper dts file (from TPC70 - imx6q
> conversion code):

My understanding is DM_FLAG_PRE_RELOC will let the driver could be used
before relocation. The dts u-boot,dm-spl or u-boot,dm-pre-reloc
is just to mark the device could be used at the corresponding stage.
Only modify dts will not make it work without the DM_FLAG_PRE_RELOC,
Right?

Thanks,
Peng.

>
> +#include "imx6qdl-u-boot.dtsi"
> +
> +/ {
> + clocks {
> + u-boot,dm-spl;
> + osc {
> + u-boot,dm-spl;
> + };
> + };
> +};
> +
> +&clks {
> + u-boot,dm-pre-reloc;
> +};
>
>
>
> Best regards,
>
> Lukasz Majewski
>
> --
>
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