Re: [PATCH v4 1/5] dt-bindings: gpio: Add a gpio-reserved-ranges property

[Rob Herring]

On Fri, Mar 23, 2018 at 09:34:49AM -0700, Stephen Boyd wrote:
> From: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
> 
> Some qcom platforms make some GPIOs or pins unavailable for use
> by non-secure operating systems, and thus reading or writing the
> registers for those pins will cause access control issues.
> Introduce a DT property to describe the set of GPIOs that are
> available for use so that higher level OSes are able to know what
> pins to avoid reading/writing.
> 
> Cc: Grant Likely <grant.likely@xxxxxxxxxxxx>
> Cc: <devicetree@xxxxxxxxxxxxxxx>
> Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
> Signed-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/gpio/gpio.txt | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>