linux-kernel - Re: [PATCH v1 1/2] spi: Add new mode to generate additional clock cycles

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Message-ID: <YhzLmNcJH2KsXsMC@sirena.org.uk>
Date:   Mon, 28 Feb 2022 13:18:16 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     Rob Herring <robh+dt@...nel.org>, Pratyush Yadav <p.yadav@...com>,
        linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v1 1/2] spi: Add new mode to generate additional clock
 cycles

On Sun, Feb 27, 2022 at 11:00:34AM +0100, Christophe Leroy wrote:

> +  spi-trailing-clock:
> +    description:
> +      Add a few clock cycles (minimum 2) with chipselect OFF after transfers.
> +

We should make this a specification of the actual requirement, not just
a boolean with a vague "a few" requirement - with the above we'd have to
add a new property if some device turns up which requires three clocks
instead of two.

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