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Sun, 5 Jul 2026 14:36:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id ECF6C1F00A3F; Sun, 5 Jul 2026 14:36:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783262201; bh=+IDjOgvMZgIQmetcLrnnpwM1F1TovTt/ay9+vlVBx9E=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=nEr2sd3zLoF5/BTzOLBehR/gZ+XtkN9iD2D+uHFYFKG+UJ8K2j71ODrygr5sKy1lt z6ypXkTjFi7ksiVdP8bZ+BVjdG6v4esdT+yxndNyuobZod8lFBSztQNdTY3UNrIU8Y pV2yvpW5IqOTPNbBpROMAO1tbomLeCMkWZFzQHBsoHV9f2diuB9dQsTDe6sP44OIBw yItLWDbAmkotsklsKX23AZU+vJi2NTkcLqLFC/NjlmMRXuyFLnvxXn4Rcfixk/ni7k 78jEKGPmD/E5Unr6XRU8NKGnuC1pqIbvSe5aEcAwIR76cm8/2r1NifxZTg4zTYDiA4 RqzPoE8N5RUtA== Date: Sun, 5 Jul 2026 15:36:35 +0100 From: Conor Dooley To: Tomer Maimon Cc: andrew@codeconstruct.com.au, wim@linux-watchdog.org, linux@roeck-us.net, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, openbmc@lists.ozlabs.org, linux-watchdog@vger.kernel.org, linux-doc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, avifishman70@gmail.com, tali.perry1@gmail.com, venture@google.com, yuenn@google.com, benjaminfair@google.com, corbet@lwn.net, skhan@linuxfoundation.org, joel@jms.id.au Subject: Re: [PATCH v3 1/3] dt-bindings: watchdog: npcm: add GCR syscon property Message-ID: <20260705-gruffly-curing-ae3ab1044a94@spud> References: <20260705140100.1543486-1-tmaimon77@gmail.com> <20260705140100.1543486-2-tmaimon77@gmail.com> X-Mailing-List: openbmc@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="UuJ/2UbYFy531ONn" Content-Disposition: inline In-Reply-To: <20260705140100.1543486-2-tmaimon77@gmail.com> --UuJ/2UbYFy531ONn Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Jul 05, 2026 at 05:00:58PM +0300, Tomer Maimon wrote: > NPCM750 and NPCM845 latch watchdog reset indications in the SoC > GCR block rather than in the watchdog block itself. >=20 > Add the optional nuvoton,sysgcr phandle so watchdog nodes can > reference the shared GCR reset-status registers that hold those > latched watchdog reset indications. >=20 > This is needed by the following reset-status support, which reads > those latches and reports watchdog-caused resets through bootstatus. >=20 > Signed-off-by: Tomer Maimon Since the 450 doesn't support this, please make it conditional. pw-bot: changes-requested Thanks, Conor. > --- > .../devicetree/bindings/watchdog/nuvoton,npcm750-wdt.yaml | 6 ++++++ > 1 file changed, 6 insertions(+) >=20 > diff --git a/Documentation/devicetree/bindings/watchdog/nuvoton,npcm750-w= dt.yaml b/Documentation/devicetree/bindings/watchdog/nuvoton,npcm750-wdt.ya= ml > index 7aa30f5b5c49..99c225f166db 100644 > --- a/Documentation/devicetree/bindings/watchdog/nuvoton,npcm750-wdt.yaml > +++ b/Documentation/devicetree/bindings/watchdog/nuvoton,npcm750-wdt.yaml > @@ -40,6 +40,12 @@ properties: > clock-frequency: > description: Frequency in Hz of the clock that drives the NPCM timer. > =20 > + nuvoton,sysgcr: > + $ref: /schemas/types.yaml#/definitions/phandle > + description: > + a phandle to access the GCR reset-status registers that latch > + watchdog reset indications on NPCM750 and NPCM845. > + > required: > - compatible > - reg > --=20 > 2.34.1 >=20 --UuJ/2UbYFy531ONn Content-Type: application/pgp-signature; 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