linux-kernel - Re: [PATCH v3 3/6] clk: qcom: gcc: Add emac GDSC support for SM8150

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Date:   Tue, 8 Mar 2022 17:09:45 -0600
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc:     Bhupesh Sharma <bhupesh.sharma@...aro.org>,
        linux-arm-msm@...r.kernel.org, bhupesh.linux@...il.com,
        agross@...nel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, sboyd@...nel.org, tdas@...eaurora.org,
        mturquette@...libre.com, linux-clk@...r.kernel.org,
        robh+dt@...nel.org
Subject: Re: [PATCH v3 3/6] clk: qcom: gcc: Add emac GDSC support for SM8150

On Thu 03 Mar 04:33 CST 2022, Dmitry Baryshkov wrote:

> On Thu, 3 Mar 2022 at 11:48, Bhupesh Sharma <bhupesh.sharma@...aro.org> wrote:
> >
> > Add the EMAC GDSC defines and driver structures for SM8150.
> >
> > Cc: Stephen Boyd <sboyd@...nel.org>
> > Cc: Bjorn Andersson <bjorn.andersson@...aro.org>
> > Signed-off-by: Bhupesh Sharma <bhupesh.sharma@...aro.org>
> > ---
> >  drivers/clk/qcom/gcc-sm8150.c               | 10 ++++++++++
> >  include/dt-bindings/clock/qcom,gcc-sm8150.h |  1 +
> >  2 files changed, 11 insertions(+)
> >
> > diff --git a/drivers/clk/qcom/gcc-sm8150.c b/drivers/clk/qcom/gcc-sm8150.c
> > index 85a431ac417b..08ba29e3a835 100644
> > --- a/drivers/clk/qcom/gcc-sm8150.c
> > +++ b/drivers/clk/qcom/gcc-sm8150.c
> > @@ -3448,6 +3448,15 @@ static struct clk_branch gcc_video_xo_clk = {
> >         },
> >  };
> >
> 
> Is it available on sm8150 or only on sa8155au? I think this deserves
> at least a comment.
> 

The ethernet controller is there on SM8150 as well.

Regards,
Bjorn

> > +static struct gdsc emac_gdsc = {
> > +       .gdscr = 0x6004,
> > +       .pd = {
> > +               .name = "emac_gdsc",
> > +       },
> > +       .pwrsts = PWRSTS_OFF_ON,
> > +       .flags = POLL_CFG_GDSCR,
> > +};
> > +
> >  static struct gdsc usb30_prim_gdsc = {
> >         .gdscr = 0xf004,
> >         .pd = {
> > @@ -3714,6 +3723,7 @@ static const struct qcom_reset_map gcc_sm8150_resets[] = {
> >  };
> >
> >  static struct gdsc *gcc_sm8150_gdscs[] = {
> > +       [EMAC_GDSC] = &emac_gdsc,
> >         [USB30_PRIM_GDSC] = &usb30_prim_gdsc,
> >         [USB30_SEC_GDSC] = &usb30_sec_gdsc,
> >  };
> > diff --git a/include/dt-bindings/clock/qcom,gcc-sm8150.h b/include/dt-bindings/clock/qcom,gcc-sm8150.h
> > index 3e1a91876610..40596b9ded06 100644
> > --- a/include/dt-bindings/clock/qcom,gcc-sm8150.h
> > +++ b/include/dt-bindings/clock/qcom,gcc-sm8150.h
> > @@ -243,5 +243,6 @@
> >  /* GCC GDSCRs */
> >  #define USB30_PRIM_GDSC                     4
> >  #define USB30_SEC_GDSC                                         5
> > +#define EMAC_GDSC                                              6
> >
> >  #endif
> > --
> > 2.35.1
> >
> 
> 
> -- 
> With best wishes
> Dmitry