Re: [PATCH v2 10/10] clk: qcom: Add camcc clock driver for x1e80100

From: Abel Vesa
Date: Sun Jan 28 2024 - 16:55:03 EST


On 23-12-16 14:39:48, Konrad Dybcio wrote:
> On 14.12.2023 17:49, Abel Vesa wrote:
> > From: Rajendra Nayak <quic_rjendra@xxxxxxxxxxx>
> >
> > Add the camcc clock driver for x1e80100
> >
> > Signed-off-by: Rajendra Nayak <quic_rjendra@xxxxxxxxxxx>
> > Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxx>
> > ---
> [...]
>
> > +enum {
> > + DT_BI_TCXO,
> > + DT_BI_TCXO_AO,
> > + DT_SLEEP_CLK,
> > +};
> > +
> > +enum {
> > + P_BI_TCXO,
> Please don't overload this define with DT_BI_TCXO_AO, add a new one
> for the active-only clock. Please also do this in other drivers in
> this series.
>
> [...]
>
> > + clk_lucid_ole_pll_configure(&cam_cc_pll0, regmap, &cam_cc_pll0_config);
> > + clk_lucid_ole_pll_configure(&cam_cc_pll1, regmap, &cam_cc_pll1_config);
> > + clk_rivian_evo_pll_configure(&cam_cc_pll2, regmap, &cam_cc_pll2_config);
> > + clk_lucid_ole_pll_configure(&cam_cc_pll3, regmap, &cam_cc_pll3_config);
> > + clk_lucid_ole_pll_configure(&cam_cc_pll4, regmap, &cam_cc_pll4_config);
> > + clk_lucid_ole_pll_configure(&cam_cc_pll6, regmap, &cam_cc_pll6_config);
> > + clk_lucid_ole_pll_configure(&cam_cc_pll8, regmap, &cam_cc_pll8_config);
> Do we know whether these configure calls are actually necessary?

So camera support hasn't been fully brought up yet, but based on the SM8550
driver (which is quite similar), they seem to be needed.

Once camera is up, we can confirm for sure.

> > +
> > + /*
> > + * Keep clocks always enabled:
> > + * cam_cc_gdsc_clk
> > + * cam_cc_sleep_clk
> > + */
> > + regmap_update_bits(regmap, 0x13a9c, BIT(0), BIT(0));
> > + regmap_update_bits(regmap, 0x13ab8, BIT(0), BIT(0));
> Please make the comments inline with each line

Will do.

>
> Konrad