linux-kernel - Re: [PATCH RFC 1/3] dt-bindings: pinctrl: spacemit: add K3 SoC support

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Message-ID: <20251224030414-GYA1992051@gentoo.org>
Date: Wed, 24 Dec 2025 11:04:14 +0800
From: Yixun Lan <dlan@...too.org>
To: Troy Mitchell <troy.mitchell@...ux.spacemit.com>
Cc: Linus Walleij <linusw@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, linux-gpio@...r.kernel.org,
	devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org,
	spacemit@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC 1/3] dt-bindings: pinctrl: spacemit: add K3 SoC
 support

Hi Troy,

On 10:56 Wed 24 Dec     , Troy Mitchell wrote:
> Hi Yixun,
> 
> On Sat, Dec 20, 2025 at 06:14:53PM +0800, Yixun Lan wrote:
> > Add new compatible string for SpacemiT K3 SoC, the pinctrl IP shares
> > almost same logic with previous K1 generation, but has different register
> > offset and pin configuration, for example the drive strength and
> > schmitter trigger settings has been changed.
> > 
> > Signed-off-by: Yixun Lan <dlan@...too.org>
> > ---
> >  Documentation/devicetree/bindings/pinctrl/spacemit,k1-pinctrl.yaml | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/pinctrl/spacemit,k1-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/spacemit,k1-pinctrl.yaml
> > index d80e88aa07b4..c5b0218ad625 100644
> > --- a/Documentation/devicetree/bindings/pinctrl/spacemit,k1-pinctrl.yaml
> > +++ b/Documentation/devicetree/bindings/pinctrl/spacemit,k1-pinctrl.yaml
> > @@ -11,7 +11,9 @@ maintainers:
> >  
> >  properties:
> >    compatible:
> > -    const: spacemit,k1-pinctrl
> > +    enum:
> > +      - spacemit,k1-pinctrl
> > +      - spacemit,k3-pinctrl
> The drive-strength description should be updated. The driver uses a
> different current table between K1 and K3, but the binding description does not
> mention K3.
> 
yes, I realised already, will update in next version

-- 
Yixun Lan (dlan)