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From: Mukesh Savaliya <mukesh.savaliya@oss.qualcomm.com>
To: Praveen Talari <praveen.talari@oss.qualcomm.com>,
	konrad.dybcio@oss.qualcomm.com, Mark Brown <broonie@kernel.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Andy Gross <agross@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>
Cc: chandana.chiluveru@oss.qualcomm.com,
	Krzysztof Kozlowski <krzk@kernel.org>,
	linux-arm-msm@vger.kernel.org, linux-spi@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: spi: qcom-geni: Document device-gpios property
Date: Thu, 6 Aug 2026 23:45:36 +0530	[thread overview]
Message-ID: <8cbd912e-0f50-4fa9-b534-7ce1a3c77d88@oss.qualcomm.com> (raw)
In-Reply-To: <20260806-use_gpio_to_notify_master_of_spi_target_activity-v1-1-c363a9b5df69@oss.qualcomm.com>



On 8/6/2026 3:43 PM, Praveen Talari wrote:
> When operating in SPI target (slave) mode, the GENI SPI controller can
> use an external GPIO to notify the SPI master about the target's
> active state.
> 

Is this active state meaning target is in ready state to communicate 
with master controller ?

When will it set this gpio ? can you describe little ?

> Document the optional device-gpios property for the qcom,spi-geni-qcom
seems bit generic name, it should describe the signal purpose, not the 
device. Something like handshake-gpios OR ready-gpios ?
> and qcom,sa8255p-geni-spi bindings, restricted to spi-slave nodes.
> 
> Signed-off-by: Praveen Talari <praveen.talari@oss.qualcomm.com>
> ---
>   Documentation/devicetree/bindings/spi/qcom,sa8255p-geni-spi.yaml | 9 +++++++++
>   Documentation/devicetree/bindings/spi/qcom,spi-geni-qcom.yaml    | 9 +++++++++
>   2 files changed, 18 insertions(+)

[...]

  parent reply	other threads:[~2026-08-06 18:15 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-06 10:13 [PATCH 0/2] spi: qcom-geni: Use GPIO to notify master of SPI target activity Praveen Talari
2026-08-06 10:13 ` [PATCH 1/2] dt-bindings: spi: qcom-geni: Document device-gpios property Praveen Talari
2026-08-06 16:47   ` Mark Brown
2026-08-06 16:54     ` Praveen Talari
2026-08-06 17:35   ` Mark Brown
2026-08-06 18:17     ` Praveen Talari
2026-08-06 18:34       ` Mark Brown
2026-08-06 18:15   ` Mukesh Savaliya [this message]
2026-08-06 18:23     ` Praveen Talari
2026-08-06 10:13 ` [PATCH 2/2] spi: qcom-geni: Use GPIO to notify master of SPI target activity Praveen Talari
2026-08-06 10:23   ` sashiko-bot
2026-08-06 18:24   ` Mukesh Savaliya

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