linux-kernel - Re: [PATCH v9 4/4] i2c: Add driver for the RTL9300 I2C controller

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Message-ID: <jwwh6m4z3xjqczn5tcf2jt7v4qhx6e6atvxyrxrauynfazzghn@cxy7ugncaesn>
Date: Wed, 6 Nov 2024 23:51:01 +0100
From: Andi Shyti <andi.shyti@...nel.org>
To: Chris Packham <chris.packham@...iedtelesis.co.nz>
Cc: lee@...nel.org, robh@...nel.org, krzk+dt@...nel.org, 
	conor+dt@...nel.org, tsbogend@...ha.franken.de, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org, linux-i2c@...r.kernel.org
Subject: Re: [PATCH v9 4/4] i2c: Add driver for the RTL9300 I2C controller

Hi Chris,

On Thu, Nov 07, 2024 at 08:47:42AM +1300, Chris Packham wrote:
> On 6/11/24 22:57, Andi Shyti wrote:
> > On Wed, Nov 06, 2024 at 01:18:35PM +1300, Chris Packham wrote:
> > > Add support for the I2C controller on the RTL9300 SoC. There are two I2C
> > > controllers in the RTL9300 that are part of the Ethernet switch register
> > > block. Each of these controllers owns a SCL pin (GPIO8 for the fiorst
> > > I2C controller, GPIO17 for the second). There are 8 possible SDA pins
> > > (GPIO9-16) that can be assigned to either I2C controller. This
> > > relationship is represented in the device tree with a child node for
> > > each SDA line in use.
> > > 
> > > This is based on the openwrt implementation[1] but has been
> > > significantly modified
> > > 
> > > [1] - https://scanmail.trustwave.com/?c=20988&d=pL2r5zHAPsW8d92uECdR2T8Eh4fYX_ZwrCyklfTCzQ&u=https%3a%2f%2fgit%2eopenwrt%2eorg%2f%3fp%3dopenwrt%2fopenwrt%2egit%3ba%3dblob%3bf%3dtarget%2flinux%2frealtek%2ffiles-5%2e15%2fdrivers%2fi2c%2fbusses%2fi2c-rtl9300%2ec
> > > 
> > > Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
> > > Reviewed-by: Andi Shyti <andi.shyti@...nel.org>
> > Thanks for following up with v9. I think nothing prevents us from
> > already merging this 4/4 patch, right?
> > 
> From my end yes it's all good to go. Lee's just applied the mfd binding.
> 
> The only thing outstanding are the mips dts changes. I'll wait for a bit and
> chase those up. Hopefully they can make it in the 6.13 window but it's not
> the end of the world if they don't.

Cool, I just wanted to confirm. Applied to i2c/i2c-host.

Thanks,
Andi