linux-kernel - Re: [PATCH 1/2] pinctrl: stm32: fix bank io port number

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Message-ID: <20180720163515.GA16515@rob-hp-laptop>
Date:   Fri, 20 Jul 2018 10:35:15 -0600
From:   Rob Herring <robh@...nel.org>
To:     Alexandre Torgue <alexandre.torgue@...com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        amelie.delaunay@...com
Subject: Re: [PATCH 1/2] pinctrl: stm32: fix bank io port number

On Mon, Jul 16, 2018 at 02:57:36PM +0200, Alexandre Torgue wrote:
> In case the exti line is not in line with the bank number (that is the case
> when there is an hole between two banks, for example GPIOK and then GPIOZ),
> use "st,bank-ioport" DT property to get the right exti line.
> 
> Signed-off-by: Amelie Delaunay <amelie.delaunay@...com>
> Signed-off-by: Alexandre Torgue <alexandre.torgue@...com>
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt
> index 9a06e1f..60c678a 100644
> --- a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt
> +++ b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt
> @@ -55,6 +55,8 @@ Optional properties:
>     NOTE: If "gpio-ranges" is used for a gpio controller, all gpio-controller
>     have to use a "gpio-ranges" entry.
>     More details in Documentation/devicetree/bindings/gpio/gpio.txt.
> + - st,bank-ioport: should correspond to the EXTI IOport selection (EXTI line
> +   used to select GPIOs as interrupts).

ioport sounds like something else. Perhaps '-exti-line'?

>  
>  Example 1:
>  #include <dt-bindings/pinctrl/stm32f429-pinfunc.h>