[PATCH v9 1/3] gpio: bcm281xx: Add GPIO driver

Stephen Warren swarren at wwwdotorg.org
Tue Sep 10 16:02:43 EDT 2013


On 09/10/2013 12:07 PM, Markus Mayer wrote:
> From: Markus Mayer <mmayer at broadcom.com>
> 
> Add the GPIO driver for the Broadcom bcm281xx family of mobile SoCs.
> These GPIO controllers may contain up to 8 banks where each bank
> includes 32 pins that can be driven high or low and act as an edge
> sensitive interrupt.

The binding,
Reviewed-by: Stephen Warren <swarren at nvidia.com>

although ...

> diff --git a/Documentation/devicetree/bindings/gpio/gpio-bcm-kona.txt b/Documentation/devicetree/bindings/gpio/gpio-bcm-kona.txt

> +This GPIO driver is used in the following Broadcom SoCs:
> +  BCM11130, BCM11140, BCM11351, BCM28145, BCM28155

Given that, I would expect the documentation of the compatible property
to enumerate the compatible values for all of those different chips,
although the driver could choose to only bind to e.g. brcm,bcm11351-gpio
or brcm,kona-gpio, since they're all compatible with it.



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