linux-kernel - Re: [PATCH 1/2] spi: dt-bindings: spi-controller: add wakeup-source and interrupts

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Message-ID: <20191112120307.GB5195@sirena.co.uk>
Date:   Tue, 12 Nov 2019 12:03:07 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org,
        Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org
Subject: Re: [PATCH 1/2] spi: dt-bindings: spi-controller: add wakeup-source
 and interrupts

On Mon, Nov 11, 2019 at 09:54:10PM -0800, Dmitry Torokhov wrote:

> +      interrupts:
> +        items:
> +          - description: main interrupt (attention) line.
> +          - description: dedicated wakeup interrupt.
> +        minItems: 1 # The wakeup interrupt is optional.
> +        description:
> +          Specifies interrupt lines a device is connected to. Typically a
> +          device is wired to a single interrupt line that is used as
> +          "attention" signal and also to wake up system when device is
> +          set up as wakeup source. However on some systems a dedicated
> +          wakeup line might be used.

> +      interrupt-names:
> +        items:
> +          - const: irq
> +          - const: wakeup
> +        minItems: 1

How will this interact with a SPI device that defines interrupts at the
device level, possibly more than one of them?  Especially if the device
has its own idea what the interrupts should be called.

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