From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 57B7E415F1D; Tue, 15 Sep 2026 17:05:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789491947; cv=none; b=qahReH+xR5xcdOXFbR7KzW7WqqEgD+hoTTgv4oxHYdFaQ3IVfIxTo8CQkamMY90Ta8GmZADVsrGTnKVgzXrTeW21CGocPqeK1Xp/JqWJPYCC5sqjkmQ5EIV0VE4j9yU6JU7YAnbKbf8CnzO5A3xuUJITLtkVcxcMNOdzhsHxuaI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789491947; c=relaxed/simple; bh=Zx83wo6QJQIxKx90gBepVfzlPmvihSB9ExdjybAx41s=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ofP1gf0FxLPWKw7cGjsRj9dPP7F15pzqx9CGBpGeumvpPmG2eHKF64Xd1eCez237+gkED8pgTWYDtYrAmnYFTxc8MgPOaOBvyumP7NQAzMXtppwJqc8U5pnANwMho437Iaphhitk1Ovae0WsUv005Wt0va510srlQaF1SIt4LwM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jwS/EXu3; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jwS/EXu3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 40A811F000FF; Tue, 15 Sep 2026 17:05:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789491946; bh=kWMuwM74nE69/ubaOSzHo4L7ka8vFyWxM+nUzRNSh+8=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=jwS/EXu3QS/S3gwrUjNQnllD5Il+icd1yu6yGSj1V8lxEO/hrCzbPyVzLas7IwXNx 4QxA2ebitlZktu+eSQ+qtkua5eaCtT9l2/9qQeDGV7BiRR3bpXT0GX0iiZ/u9XHwEZ MugZVE+XWh5FV90RJuAPp9m0m2uJB+qUj2smnq4y2h8VNoyIDkHg5RRaopOBRM50EM VuXj5uBHDUIiC1QCgkdwdw3ok8HcKOr7NwzEB/jLxwV0k25Gjwo1eTgTQk/Jx87j3l bPb0oMuBh74nsCXdgQA5e9Vu7hPFiE/tYlRN0r0Q0JRy82qGsRB8H7cO1O1g8e/S/A m8Cz1EDZw8lZA== Message-ID: Date: Tue, 15 Sep 2026 19:05:38 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/2] dt-bindings: input: gpio-keys: add pinctrl states To: Kendall Willis Cc: Dmitry Torokhov , Rob Herring , Krzysztof Kozlowski , Conor Dooley , msp@baylibre.com, s-kochidanadu@ti.com, a-kaur@ti.com, s-tripathi1@ti.com, vishalm@ti.com, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org References: <20260912-upstream-gpio-wakeup-v1-0-f0e12484b836@ti.com> <20260912-upstream-gpio-wakeup-v1-1-f0e12484b836@ti.com> <20260914-unbreakable-competent-beluga-efb5ad@quoll> <20260915164819.nlgpuvf37rhzgc66@uda0506412> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 15/09/2026 18:48, Kendall Willis wrote: > On 12:13-20260914, Krzysztof Kozlowski wrote: >> On Sat, Sep 12, 2026 at 04:33:53PM -0500, Kendall Willis wrote: >>> Document pinctrl properties on the gpio-keys device node. By using the >>> wakeup pinctrl state, the pins are able to wakeup the system from a >>> low-power state. The default pinctrl state describes the default pin >>> configuration. >>> >>> Signed-off-by: Kendall Willis >>> --- >>> Documentation/devicetree/bindings/input/gpio-keys.yaml | 16 ++++++++++++++++ >>> 1 file changed, 16 insertions(+) >>> >>> diff --git a/Documentation/devicetree/bindings/input/gpio-keys.yaml b/Documentation/devicetree/bindings/input/gpio-keys.yaml >>> index cc78c2152921308fe0cad3e29ca78a5fad08f066..b554933e93412d8b6c2ec401dc1e1eeff57d4190 100644 >>> --- a/Documentation/devicetree/bindings/input/gpio-keys.yaml >>> +++ b/Documentation/devicetree/bindings/input/gpio-keys.yaml >>> @@ -22,6 +22,22 @@ properties: >>> >>> poll-interval: true >>> >>> + pinctrl-0: >>> + description: Default pinctrl state >>> + >>> + pinctrl-1: >>> + description: Wakeup pinctrl state >>> + >>> + pinctrl-names: >>> + description: >>> + When present should contain at least "default" describing the default pin >>> + states. The second state called "wakeup" describes the pins in their >>> + wakeup configuration required to exit sleep states. >>> + minItems: 1 >>> + items: >>> + - const: default >>> + - const: wakeup >> >> This will introduce new warnings, which should be being fixed in this >> patchset (e.g. at91-kizbox3-hs.dts). >> > > Will fix the binding to work with current device trees. > >> But nevertheless, isn't second state the sleep state? How can you >> configure pins for the wakeup state - like being in the wakeup? You >> configure the pins for given state, which will be a system suspend, so >> sleep? >> > > The sleep state usually refers to putting the pins in a state to save > power. The wakeup pinctrl state is for putting the pins in a state to > allow wakeup from suspend for that device. Both 'sleep' and 'wakeup' > are for system suspend, but they fill different functions. The CAN > subsystem also uses the 'wakeup' state in addition to the 'sleep' state > [1]. So you mean sleep would be a separate state? But then aren't both exactly the same states? IOW, if device is wakeup-source, it will have for "sleep" state pin configuration allowing to wakeup. Best regards, Krzysztof