[PATCH v3 1/5] dt-bindings: gpio: Add a binding header for the MSC313 GPIO driver

Rob Herring robh at kernel.org
Wed Nov 11 15:28:47 EST 2020


On Mon, 09 Nov 2020 21:17:27 +0900, Daniel Palmer wrote:
> Header adds defines for the gpio number of each pad from the driver view.
> 
> The gpio block seems to have enough registers for 128 lines but what line
> is mapped to a physical pin depends on the chip. The gpio block also seems
> to contain some registers that are not related to gpio but needed somewhere
> to go.
> 
> Because of the above the driver itself uses the index of a pin's offset in
> an array of the possible offsets for a chip as the gpio number.
> 
> Signed-off-by: Daniel Palmer <daniel at 0x0f.com>
> ---
>  MAINTAINERS                            |  1 +
>  include/dt-bindings/gpio/msc313-gpio.h | 53 ++++++++++++++++++++++++++
>  2 files changed, 54 insertions(+)
>  create mode 100644 include/dt-bindings/gpio/msc313-gpio.h
> 

Reviewed-by: Rob Herring <robh at kernel.org>



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