Re: [PATCH v2 10/13] pinctrl: renesas: pinctrl-rzg2l: Add support to set pulling up/down the pins

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Hi Geert,

Thank you for the review.

On Wed, May 22, 2024 at 2:26 PM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
>
> On Tue, Apr 23, 2024 at 7:59 PM Prabhakar <prabhakar.csengg@xxxxxxxxx> wrote:
> > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> >
> > Add support to configure bias-disable, bias-pull-up and bias-pull-down
> > properties of the pin.
> >
> > Two new function pointers get_bias_param() and get_bias_val() are
> > introduced as the values in PUPD register differ when compared to
> > RZ/G2L family and RZ/V2H(P) SoC,
> >
> > Value | RZ/G2L        | RZ/V2H
> > ---------------------------------
> > 00b:  | Bias Disabled | Pull up/down disabled
> > 01b:  | Pull-up       | Pull up/down disabled
> > 10b:  | Pull-down     | Pull-down
> > 11b:  | Prohibited    | Pull-up
> >
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> > ---
> > RFC->v2
> > - New patch
> > ---
> >  drivers/pinctrl/renesas/pinctrl-rzg2l.c | 73 +++++++++++++++++++++++++
> >  1 file changed, 73 insertions(+)
> >
> > diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
> > index 102fa75c71d3..c144bf43522b 100644
> > --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c
> > +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
> > @@ -122,6 +122,7 @@
> >  #define IOLH(off)              (0x1000 + (off) * 8)
> >  #define SR(off)                        (0x1400 + (off) * 8)
> >  #define IEN(off)               (0x1800 + (off) * 8)
> > +#define PUPD(off)              (0x1C00 + (off) * 8)
> >  #define ISEL(off)              (0x2C00 + (off) * 8)
> >  #define SD_CH(off, ch)         ((off) + (ch) * 4)
> >  #define ETH_POC(off, ch)       ((off) + (ch) * 4)
> > @@ -140,6 +141,7 @@
> >  #define IEN_MASK               0x01
> >  #define IOLH_MASK              0x03
> >  #define SR_MASK                        0x01
> > +#define PUPD_MASK              0x03
> >
> >  #define PM_INPUT               0x1
> >  #define PM_OUTPUT              0x2
> > @@ -265,6 +267,8 @@ struct rzg2l_pinctrl_data {
> >         void (*pmc_writeb)(struct rzg2l_pinctrl *pctrl, u8 val, void __iomem *addr);
> >         u32 (*read_oen)(struct rzg2l_pinctrl *pctrl, u32 caps, u32 offset, u8 pin);
> >         int (*write_oen)(struct rzg2l_pinctrl *pctrl, u32 caps, u32 offset, u8 pin, u8 oen);
> > +       int (*get_bias_param)(u8 val);
> > +       int (*get_bias_val)(enum pin_config_param param);
>
> Please use consistent naming: "pmc_writeb" uses <noun>_<verb> ordering,
> "get_bias_pararm" uses <verb>_<noun> ordering.
>
> Perhaps "hw_to_bias_param()" and "bias_param_to_hw()?"
>
Ok, I'll rename as suggested above.

Cheers,
Prabhakar





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