[PATCH 2/3] riscv: dts: spacemit: add 24c02 eeprom on BPI-F3

[Aurelien Jarno]

Hi,

On 2025-09-23 10:00, Troy Mitchell wrote:
> On Sun, Sep 21, 2025 at 11:01:42PM +0200, Aurelien Jarno wrote:
> > The BPI-F3 contains a 24c02 eeprom, that contains among other things the
> > MAC addresses of the two network interfaces. For this reason, mark it as
> > read-only.
> > 
> > Signed-off-by: Aurelien Jarno <aurelien at aurel32.net>
> > ---
> >  arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts | 11 ++++++++++-
> >  1 file changed, 10 insertions(+), 1 deletion(-)
> > 
> > diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
> > index 3b6e4f52e9aad..574d10fdf9b82 100644
> > --- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
> > +++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
> > @@ -115,6 +115,15 @@ &i2c2 {
> >  	pinctrl-0 = <&i2c2_0_cfg>;
> >  	pinctrl-names = "default";
> >  	status = "okay";
> > +
> > +	eeprom at 50 {
> > +		compatible = "atmel,24c02";
> > +		reg = <0x50>;
> > +		vcc-supply = <&vcc1v8_sys>;
> > +		pagesize = <16>;
> I'm not sure this is 16..
> Could you double check it?

Yes, this matches the datasheet:
https://www.giantec-semi.com/juchen1123/uploads/pdf/GT24C02_DS_Au.pdf

It says "Page Size: 16 bytes"

Aurelien

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