[PATCH 4/4] ARM: dts: bcm2837-rpi-3-b: add GPIO expander

[Phil Elwell]

Hi Stefan,

On 03/01/2018 20:17, Stefan Wahren wrote:
> Hi Baruch,
> 
>> Stefan Wahren <stefan.wahren at i2se.com> hat am 2. Januar 2018 um 20:03 geschrieben:
>>
>>
>> Hi Baruch,
>>
>>> Baruch Siach <baruch at tkos.co.il> hat am 2. Januar 2018 um 14:19 geschrieben:
>>
>>> +		expgpio: expgpio {
>>> +			compatible = "brcm,bcm2835-expgpio";
>>> +			gpio-controller;
>>> +			#gpio-cells = <2>;
>>> +			firmware = <&firmware>;
>>
>> Please add the gpio-line-names from Eric's patch [1].
>>
>> Thanks
>> Stefan
>>
>> [1] - https://patchwork.kernel.org/patch/9339857/
>>
> 
> sorry i missed the fact that the same GPIO expander is on the CM3. So please move the exgpio node to bcm2837.dtsi and only define the gpio-line-names in this file.

The GPIO expander is not a part of the BCM2837 SoC, and not all BCM2837-based Pis have a GPIO expander - see the Pi 2+.

Phil