[PATCH/RFC 03/19] ARM: shmobile: gose: add i2c2 bus to device tree

Geert Uytterhoeven geert at linux-m68k.org
Mon Dec 14 01:39:47 PST 2015


On Mon, Dec 14, 2015 at 8:11 AM, Wolfram Sang <wsa at the-dreams.de> wrote:
>> > >+  eeprom at 50 {
>> > >+          compatible = "renesas,24c02";
>> >
>> >    This is not a valid value -- the Renesas chip model is different from 24c02.
>>
>> I copied this value from r8a7791.dtsi.
>>
>> Looking at the schematic for gose (v100), koelsch (rev024) and porter (v300)
>> I see the following "R1EX24002ATAS0G#U0". Shall we update r8a7791 and
>> this patch to "renesas,24002" or leave things as is?
>
> I wouldn't like to update the at24 driver with all namings from all
> vendors for chips which in large cases are simple 24c02 devices.
>
> So, if Sergei insists on the change, I'd propose
>
>         compatible = "renesas,24002", "24c02";

"renesas,r1ex24002"?

I don't think the "A" is relevant (<= 64 is A, >= 128 is B).

http://www.renesas.com/products/memory/eeprom/product_selector.jsp

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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