Re: [RFC PATCH 0/4] pinctrl: bcm2835: Add support for all BCM2711 GPIOs

[Nicolas Saenz Julienne <nsaenzjulienne@suse.de>]

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On Mon, 2020-01-27 at 19:15 +0100, Stefan Wahren wrote:
> The BCM2711 supports 58 GPIOs [1] by using the existing BCM2835 GPIO registers
> completely. So there is no need to change the binding.
> 
> Patch 1 and 2 prepare the pinctrl driver to be extended to 58 GPIOs in Patch
> 3.
> I didn't want to squash them in order to make review as easy as possible.
> The final patch 4 assigns all SoC GPIOs a label as we already did for
> the older Raspberry Pi boards.
> 
> [1] - https://github.com/raspberrypi/linux/issues/3101#issuecomment-573092294
> 
> Stefan Wahren (4):
>   pinctrl: bcm2835: Drop unused define
>   pinctrl: bcm2835: Refactor platform data
>   pinctrl: bcm2835: Add support for all GPIOs on BCM2711
>   ARM: dts: bcm2711-rpi-4-b: Add SoC GPIO labels
> 
>  arch/arm/boot/dts/bcm2711-rpi-4-b.dts |  74 ++++++++++++++++++++++++
>  drivers/pinctrl/bcm/pinctrl-bcm2835.c | 106 ++++++++++++++++++++++++++-------
> -
>  2 files changed, 156 insertions(+), 24 deletions(-)

Overall this looks good to me (modulo the small comments). I also gave it a go
on RPi4 and RPi3b without issues.

Regards,
Nicolas


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