linux-kernel - RE: [PATCH v5 0/2] Add ASPEED AST2600 I2Cv2 controller driver

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Date:   Mon, 20 Feb 2023 09:56:04 +0000
From:   Ryan Chen <ryan_chen@...eedtech.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...id.au>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        "openbmc@...ts.ozlabs.org" <openbmc@...ts.ozlabs.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-aspeed@...ts.ozlabs.org" <linux-aspeed@...ts.ozlabs.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v5 0/2] Add ASPEED AST2600 I2Cv2 controller driver

Hello Krzysztof,

Ryan Chen

> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Sent: Monday, February 20, 2023 4:30 PM
> To: Ryan Chen <ryan_chen@...eedtech.com>; Rob Herring
> <robh+dt@...nel.org>; Krzysztof Kozlowski
> <krzysztof.kozlowski+dt@...aro.org>; Joel Stanley <joel@....id.au>; Andrew
> Jeffery <andrew@...id.au>; Philipp Zabel <p.zabel@...gutronix.de>;
> openbmc@...ts.ozlabs.org; linux-arm-kernel@...ts.infradead.org;
> linux-aspeed@...ts.ozlabs.org; linux-kernel@...r.kernel.org
> Subject: Re: [PATCH v5 0/2] Add ASPEED AST2600 I2Cv2 controller driver
> 
> 
> On 20/02/2023 07:17, Ryan Chen wrote:
> > This series add AST2600 i2cv2 new register set driver. The i2cv2 new
> > register set have new clock divider option for more flexiable generation.
> 
> Typo: flexible
Will fix typo. 
> 
> > And also have separate i2c master and slave register set for control.
> 
> Since several of my questions remained unanswered and quite frankly it's
> fruitless... so let me read the commit msg directly - it's the same device, just
> with different register layout. Having new compatible makes sense, but this
> should be part of old binding.
> 
Sorry, I am confused, Do you mean I should base on original Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml
Add new compatible? Not add another aspeed,i2cv2.yaml.


Best regards,
Ryan