From: "Rob Herring (Arm)" <robh@kernel.org>
To: Iker Pedrosa <ikerpedrosam@gmail.com>
Cc: javierm@redhat.com, krzk+dt@kernel.org,
linux-spi@vger.kernel.org, conor+dt@kernel.org,
linux-kernel@vger.kernel.org, broonie@kernel.org,
devicetree@vger.kernel.org
Subject: Re: [PATCH v3] spi: dt-bindings: Document CS active-high
Date: Tue, 17 Dec 2024 09:32:25 -0600 [thread overview]
Message-ID: <173444954482.1831986.10950873767411380900.robh@kernel.org> (raw)
In-Reply-To: <20241216095739.27320-1-ikerpedrosam@gmail.com>
On Mon, 16 Dec 2024 10:57:33 +0100, Iker Pedrosa wrote:
> The current documentation does not clearly explain how to invert the SPI
> CS signal to make it active-high. This makes it very difficult to
> understand.
>
> This patch adds a simple explanation on how to set the CS line in
> active-high and adds an example to make it easier for users who need
> that setup for their SPI peripherals.
>
> Link: https://forums.raspberrypi.com/viewtopic.php?t=378222
> Signed-off-by: Iker Pedrosa <ikerpedrosam@gmail.com>
> ---
>
> Changes in v3:
> - Use subject line reflecting the style of the subsystem (Mark Brown)
> - Change compatible display to an existing one and adapt SPI MAX frequency (Rob
> Herring)
>
> Changes in v2:
> - Include header for GPIO_ACTIVE_HIGH (Rob Herring)
>
> .../bindings/spi/spi-controller.yaml | 25 +++++++++++++++++++
> 1 file changed, 25 insertions(+)
>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
next prev parent reply other threads:[~2024-12-17 15:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-16 9:57 Iker Pedrosa
2024-12-17 15:32 ` Rob Herring (Arm) [this message]
2024-12-17 17:44 ` Mark Brown
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