From nobody Thu Apr 9 17:58:05 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 CF1333B8BBB; Tue, 3 Mar 2026 16:36:41 +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=1772555801; cv=none; b=sQTNwKTeSxlwpG5ZHVJQf9ljtlRS5AhMiPcRswwbKSnbpYeYGcUkHqez4AuoaSCkTIVLAPUXPBsWWkmgq6SH8g2l3eATC+6mWRHzYjF+QWYS2QM+1/vH8oWfjMwR7psnJBSBkk4uJgjMP+Yq9zOyrJD+Yx0i5+q0z36OSJOXxF4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772555801; c=relaxed/simple; bh=uD6omZr1h+M85AyNsvith9EEDY3VgTHJwYjSZmYkbKA=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=mFdmPnjy6MWpe9805vnbqNFuh4kptW5ug3PWTl/QZdndLYqRcBciX3uRTSMwVrqxEFr0DSQXHCLJT9gW/vnwos5Nwm6r87P7gMAwLvOjSCTDDfH0IlU5lt8ChHWHCbl5akDSIlbBeQ0ZfAj7DWHC+RkS57nidtzOADPRoUzeL9M= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WsZ1EfoI; 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="WsZ1EfoI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 71ABDC116C6; Tue, 3 Mar 2026 16:36:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772555801; bh=uD6omZr1h+M85AyNsvith9EEDY3VgTHJwYjSZmYkbKA=; h=From:To:Cc:Subject:Date:From; b=WsZ1EfoI0U4bKrMohfTRxLaRsL9cDrC6ePXYDREHa2TL+Y4iDcLVYuiQDQCTS1Aod 8rn2E0AxC1C3g6JVIQO2RdLzyzaqhXdOB4bHcaADZSFEEznkealJfi1O3NLNW6aeKB vTvBCIMjU+VDIoJUNR2uadIfRuWV4oo6Ha/RkAs5Y/OGrWQ4uL1/tbpK8IqDJeTyQw yE2qXngI7ZAkKq2yzyFqlLqYBywyVKGwhaQYlunE0BTCwj8SMUKA4AoYs4mcxG6wYm BhKJ0dqseAuA7v+mNeop1A0nDZr/H8ZkIqrB9/hAh1rJiz3hNtQRiJOLBs+tSl1oSY NVHcupFfCJWKA== From: Conor Dooley To: linux-rtc@vger.kernel.org Cc: conor@kernel.org, Conor Dooley , Alexandre Belloni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Daire McNamara , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1] dt-bindings: rtc: mpfs-rtc: permit resets Date: Tue, 3 Mar 2026 16:36:33 +0000 Message-ID: <20260303-flounder-slate-dd69766990ce@spud> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1354; i=conor.dooley@microchip.com; h=from:subject:message-id; bh=e166A+UXGP7o2QUcxSOgrsTJn1vdzLDqriTWTWIaLkc=; b=owGbwMvMwCVWscWwfUFT0iXG02pJDJnL+YTWL/5h7LPWifHi36fzN4ntmsi0qORE97YjMkfV9 9ZV599Y3VHKwiDGxSArpsiSeLuvRWr9H5cdzj1vYeawMoEMYeDiFICJzN3JyHBHIjPr+n49SZ4P 3+ULdvUYOvhseXxvoUVLfntG7xzBsmsMfyVEut5rJx91EzlSIi9yyoatcKvLV14n5Yvbrrc8Fl1 nwgEA X-Developer-Key: i=conor.dooley@microchip.com; a=openpgp; fpr=F9ECA03CF54F12CD01F1655722E2C55B37CF380C Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Conor Dooley The RTC on mpfs and pic64gx has a reset pin, but until now this has been undocumented because platform firmware takes the RTC out of reset on first-party boards (or those using modified versions of the vendor firmware), but not all boards may take this approach. Permit providing a reset in devicetree for Linux, or other devicetree-consuming software, to use. Signed-off-by: Conor Dooley Reviewed-by: Krzysztof Kozlowski --- CC: Alexandre Belloni CC: Rob Herring CC: Krzysztof Kozlowski CC: Conor Dooley CC: Daire McNamara CC: linux-rtc@vger.kernel.org CC: devicetree@vger.kernel.org CC: linux-kernel@vger.kernel.org --- Documentation/devicetree/bindings/rtc/microchip,mpfs-rtc.yaml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/rtc/microchip,mpfs-rtc.yaml = b/Documentation/devicetree/bindings/rtc/microchip,mpfs-rtc.yaml index a3e60d9f83993..e26e92b1af03f 100644 --- a/Documentation/devicetree/bindings/rtc/microchip,mpfs-rtc.yaml +++ b/Documentation/devicetree/bindings/rtc/microchip,mpfs-rtc.yaml @@ -47,6 +47,9 @@ properties: - const: rtc - const: rtcref =20 + resets: + maxItems: 1 + required: - compatible - reg --=20 2.51.0