linux-kernel - Re: [PATCH 3/3] arm64: dts: rockchip: Add onboard EEPROM for Radxa E20C

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Message-ID: <Z86RrlBTvt9d40Dk@pie>
Date: Mon, 10 Mar 2025 07:15:58 +0000
From: Yao Zi <ziyao@...root.org>
To: Chukun Pan <amadeus@....edu.cn>
Cc: andi.shyti@...nel.org, conor+dt@...nel.org, devicetree@...r.kernel.org,
	heiko@...ech.de, jonas@...boo.se, krzk+dt@...nel.org,
	linux-arm-kernel@...ts.infradead.org, linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH 3/3] arm64: dts: rockchip: Add onboard EEPROM for Radxa
 E20C

On Mon, Mar 10, 2025 at 03:00:23PM +0800, Chukun Pan wrote:
> Hi,
> 
> > +&i2c1 {
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&i2c1m0_xfer>;
> > +	status = "okay";
> > +
> > +	eeprom@50 {
> > +		compatible = "belling,bl24c16a", "atmel,24c16";
> > +		reg = <0x50>;
> > +		pagesize = <16>;
> > +		vcc-supply = <&vcc_3v3>;
> > +	};
> > +};
> 
> This eeprom stores the device information written by the manufacturer,
> such as mac address and sn. So it should be marked as read-only.

Thanks, this makes sense.

> Thanks,
> Chukun
> 
> -- 
> 2.25.1
> 

Best regards,
Yao Zi