From nobody Tue Apr 7 01:18:35 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 B925C35E95D; Tue, 17 Mar 2026 09:28:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773739717; cv=none; b=BZxCsIAXwzvphUeggApgD6o2o1FToVXayqXHoJvFSxU03JJ00b/dnT/7YmIEELxVHozjpib0V8zRCK9Ytb/BNHdGMZLieZrPkauCWJVqB+I+iw4lkA+bVEH8LUkEb1wUrjERfhgGUgxTTs8COo/jZ8BhOiE7k8yISpHURxK+zWI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773739717; c=relaxed/simple; bh=D3rv23vP3GNGYsHHzaSWIvumnHJui1I0W5+mW/jdySo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=eG7xw6F5Utua1sqTebCXh1pqHT1Lwpcor7o3yDJLfWlf40XZFUXQ17U4I4zGVXqZXWa9+JNiti7BYBwNirF7Py/yljuuTyw4YZNbxuRlfrEIjgNsYV1qTeE4vsenCZicvhOEs5hsZjxq+HfaEdYEb6sBeqGjhaTwmerKmnrpAdU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BL/PJH8a; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BL/PJH8a" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CB000C19425; Tue, 17 Mar 2026 09:28:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773739717; bh=D3rv23vP3GNGYsHHzaSWIvumnHJui1I0W5+mW/jdySo=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=BL/PJH8agzSyMdw4uJyASEJmgJ7fXvaRqhJawkDECXmHuvNbZgUW/V1lA01iNIo0L 14nLbcuqgwpSopgId52KC0I0rrTThoAFkdO23D6VYOF7hqIpsL+0lH9uDbxbCbtkSv hrLiZzMu6m3mu8gxDOpjrW65+zC1fwNqp3jz825Bp1V7iIZYmMclze71S6sAZCgeRU zdZ82Y32/PZALqGmi7d4VAnEM56UpLG54BHO6d1xIO/TfwX4/gsNhBfdqaHmzffrTC t737aP/4SHaMWdS5bGUOh8F+Gz3vLSnkaUbMaB4eQKlB0gwoF7pdVE8q5G9h01cCF7 dDK0IxNPyAXWA== From: Linus Walleij Date: Tue, 17 Mar 2026 10:28:31 +0100 Subject: [PATCH v2 1/2] dt-bindings: mfd: wlf,arizona: Add irq-gpios Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260317-mfd-arizona-irq-v2-1-9ea546f517dc@kernel.org> References: <20260317-mfd-arizona-irq-v2-0-9ea546f517dc@kernel.org> In-Reply-To: <20260317-mfd-arizona-irq-v2-0-9ea546f517dc@kernel.org> To: Lee Jones , Bartosz Golaszewski , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: patches@opensource.cirrus.com, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, Linus Walleij X-Mailer: b4 0.14.3 The Wolfson Microelectronics Arizona sometimes needs to poll the GPIO line corresponding to the IRQ to counter bugs in the hardware that appear on edge-triggered IRQs. For this situation, provide the optional irq-gpios property. Signed-off-by: Linus Walleij --- Documentation/devicetree/bindings/mfd/wlf,arizona.yaml | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/wlf,arizona.yaml b/Docum= entation/devicetree/bindings/mfd/wlf,arizona.yaml index 7902f3c5d289..dbf1f1e0a57e 100644 --- a/Documentation/devicetree/bindings/mfd/wlf,arizona.yaml +++ b/Documentation/devicetree/bindings/mfd/wlf,arizona.yaml @@ -194,6 +194,15 @@ properties: reset-gpios: maxItems: 1 =20 + irq-gpios: + maxItems: 1 + description: + Nominally a functional IRQ should be provided in the interrupts + property. However due to glitches in the hardware, the GPIO line + corresponding to the IRQ sometimes need to be iteratively polled to + check for the triggering edge. If this bug is present, the GPIO line + should be passed here. + wlf,reset: description: GPIO specifier for the GPIO controlling RESET --=20 2.53.0