Re: [PATCH 1/3] riscv: dts: spacemit: enable the i2c2 adapter on BPI-F3

From: Aurelien Jarno <aurelien@aurel32.net>
To: Troy Mitchell <troy.mitchell@linux.spacemit.com>
Cc: linux-kernel@vger.kernel.org, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>, Yixun Lan <dlan@gentoo.org>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
	<devicetree@vger.kernel.org>,
	"open list:RISC-V ARCHITECTURE" <linux-riscv@lists.infradead.org>,
	"open list:RISC-V SPACEMIT SoC Support"
	<spacemit@lists.linux.dev>
Subject: Re: [PATCH 1/3] riscv: dts: spacemit: enable the i2c2 adapter on BPI-F3
Date: Wed, 24 Sep 2025 21:11:07 +0200	[thread overview]
Message-ID: <aNRCS1C-M-0JY2cV@aurel32.net> (raw)
In-Reply-To: <B8749086963B3B54+aNNh9hw4TX6tVMdP@troy-wujie14pro-arch>

On 2025-09-24 11:13, Troy Mitchell wrote:
> On Tue, Sep 23, 2025 at 09:16:50PM +0200, Aurelien Jarno wrote:
> > Hi Troy,
> > 
> > Thanks for the review.
> > 
> > On 2025-09-23 09:32, Troy Mitchell wrote:
> > > On Sun, Sep 21, 2025 at 11:01:41PM +0200, Aurelien Jarno wrote:
> > > > Define properties for the I2C adapter, and enable it on the BPI-F3. It
> > > > will be used by the 24c02 eeprom.
> > > > 
> > > > Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
> > > > ---
> > > > --- a/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi
> > > > +++ b/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi
> > > > @@ -92,6 +92,13 @@ gmac1-pins {
> > > >  		};
> > > >  	};
> > > >  
> > > > +	i2c2_0_cfg: i2c2-0-cfg {
> > > Should this be i2c2_4_cfg here?
> > > From what I see, in the initial version the second cell was meant
> > > to be the function number rather than the serial index.
> > 
> > Ok, I wasn't aware of that convention, I just reused the same numbering 
> > of the downstream 6.6 kernel. I'll fix that and use i2c2_4_cfg.
> I'm wrong..
> The second number isn't function number.
> You can find a more detailed discussion here:
> (riscv: dts: spacemit: define a SPI controller node)

Ok, I'll revert the change in the V3

Aurelien

-- 
Aurelien Jarno                          GPG: 4096R/1DDD8C9B
aurelien@aurel32.net                     http://aurel32.net

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