From: Rob Herring <robh@kernel.org>
To: Stephan Gerhold <stephan@gerhold.net>
Cc: Linus Walleij <linus.walleij@linaro.org>,
linux-input@vger.kernel.org, devicetree@vger.kernel.org,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Rob Herring <robh+dt@kernel.org>
Subject: Re: [PATCH 2/3] dt-bindings: Input: tm2-touchkey - document vddio-supply
Date: Wed, 9 Dec 2020 14:12:49 -0600 [thread overview]
Message-ID: <20201209201249.GA863661@robh.at.kernel.org> (raw)
In-Reply-To: <20201203131242.44397-2-stephan@gerhold.net>
On Thu, 03 Dec 2020 14:12:41 +0100, Stephan Gerhold wrote:
> The Samsung touchkey controllers are often used with external pull-up
> for the interrupt line and the I2C lines, so we might need to enable
> a regulator to bring the lines into usable state. Otherwise, this might
> cause spurious interrupts and reading from I2C will fail.
>
> Document support for a "vddio-supply" that is enabled by the tm2-touchkey
> driver so that the regulator gets enabled when needed.
>
> Cc: Linus Walleij <linus.walleij@linaro.org>
> Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
> ---
> .../devicetree/bindings/input/cypress,tm2-touchkey.yaml | 5 +++++
> 1 file changed, 5 insertions(+)
>
Reviewed-by: Rob Herring <robh@kernel.org>
next prev parent reply other threads:[~2020-12-09 20:13 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-03 13:12 [PATCH 1/3] dt-bindings: Input: tm2-touchkey - convert to yaml Stephan Gerhold
2020-12-03 13:12 ` [PATCH 2/3] dt-bindings: Input: tm2-touchkey - document vddio-supply Stephan Gerhold
2020-12-05 23:09 ` Linus Walleij
2020-12-06 12:28 ` Stephan Gerhold
2020-12-06 15:10 ` Linus Walleij
2020-12-09 20:12 ` Rob Herring [this message]
2020-12-10 3:50 ` Dmitry Torokhov
2020-12-03 13:12 ` [PATCH 3/3] Input: tm2-touchkey - add vddio regulator Stephan Gerhold
2020-12-05 23:10 ` Linus Walleij
2020-12-10 3:51 ` Dmitry Torokhov
2020-12-05 23:08 ` [PATCH 1/3] dt-bindings: Input: tm2-touchkey - convert to yaml Linus Walleij
2020-12-09 20:12 ` Rob Herring
2020-12-10 3:50 ` Dmitry Torokhov
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