[PATCH v2 1/3] dt-bindings: pinctrl: starfive,jh7110: add PAD_INTERNAL_* virtual pins

[Icenowy Zheng]

在 2025-04-28星期一的 09:20 +0200，Krzysztof Kozlowski写道：
> On Thu, Apr 24, 2025 at 02:20:15PM GMT, Icenowy Zheng wrote:
> > The JH7110 SoC could support internal GPI signals to be routed to
> > not
> > external GPIO but internal low/high levels.
> > 
> > Add two macros, PAD_INTERNAL_LOW and PAD_INTERNAL_HIGH, as two
> > virtual
> > "pads" to represent internal GPI sources with fixed low/high
> > levels.
> > 
> > Signed-off-by: Icenowy Zheng <uwu at icenowy.me>
> > ---
> >  include/dt-bindings/pinctrl/starfive,jh7110-pinctrl.h | 4 ++++
> >  1 file changed, 4 insertions(+)
> > 
> > diff --git a/include/dt-bindings/pinctrl/starfive,jh7110-pinctrl.h
> > b/include/dt-bindings/pinctrl/starfive,jh7110-pinctrl.h
> > index 3865f01396395..3cca874b2bef7 100644
> > --- a/include/dt-bindings/pinctrl/starfive,jh7110-pinctrl.h
> > +++ b/include/dt-bindings/pinctrl/starfive,jh7110-pinctrl.h
> > @@ -126,6 +126,10 @@
> >  #define        PAD_GMAC0_TXEN          18
> >  #define        PAD_GMAC0_TXC           19
> >  
> > +/* virtual pins for forcing GPI */
> > +#define PAD_INTERNAL_LOW       254
> > +#define PAD_INTERNAL_HIGH      255
> 
> Why this cannot be 20 and 21? These are not values for registers, but
> abstract numbers.

The number must not collide with SYS GPIO pads too.

Using 95 and 96 is okay, but dirty.

> 
> Best regards,
> Krzysztof
>