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Wed, 1 Jul 2026 18:43:05 +0200 (CEST) Message-ID: Subject: Re: [PATCH 1/3] dt-bindings: rtc: Add sii,wakealarm-output-pin property for S35390A From: Markus Probst To: Krzysztof Kozlowski Cc: Alexandre Belloni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Uwe =?ISO-8859-1?Q?Kleine-K=F6nig?= , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , linux-arm-kernel@lists.infradead.org, linux-rtc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 01 Jul 2026 16:43:07 +0000 In-Reply-To: <7de66163-369e-4118-af51-6913b565fa4b@kernel.org> References: <20260630-rtc_s35390a_int1-v1-0-1b2239e16be2@posteo.de> <20260630-rtc_s35390a_int1-v1-1-1b2239e16be2@posteo.de> <20260701-bronze-jaguar-of-perfection-028bac@quoll> <45e8157be53c3d8827fcccece7f706968bc056d3.camel@posteo.de> <7de66163-369e-4118-af51-6913b565fa4b@kernel.org> Autocrypt: addr=markus.probst@posteo.de; prefer-encrypt=mutual; keydata=mQINBGiDvXgBEADAXUceKafpl46S35UmDh2wRvvx+UfZbcTjeQOlSwKP7YVJ4JOZrVs93 qReNLkOWguIqPBxR9blQ4nyYrqSCV+MMw/3ifyXIm6Pw2YRUDg+WTEOjTixRCoWDgUj1nOsvJ9tVA m76Ww+/pAnepVRafMID0rqEfD9oGv1YrfpeFJhyE2zUw3SyyNLIKWD6QeLRhKQRbSnsXhGLFBXCqt 9k5JARhgQof9zvztcCVlT5KVvuyfC4H+HzeGmu9201BVyihJwKdcKPq+n/aY5FUVxNTgtI9f8wIbm fAjaoT1pjXSp+dszakA98fhONM98pOq723o/1ZGMZukyXFfsDGtA3BB79HoopHKujLGWAGskzClwT jRQxBqxh/U/lL1pc+0xPWikTNCmtziCOvv0KA0arDOMQlyFvImzX6oGVgE4ksKQYbMZ3Ikw6L1Rv1 J+FvN0aNwOKgL2ztBRYscUGcQvA0Zo1fGCAn/BLEJvQYShWKeKqjyncVGoXFsz2AcuFKe1pwETSsN 6OZncjy32e4ktgs07cWBfx0v62b8md36jau+B6RVnnodaA8++oXl3FRwiEW8XfXWIjy4umIv93tb8 8ekYsfOfWkTSewZYXGoqe4RtK80ulMHb/dh2FZQIFyRdN4HOmB4FYO5sEYFr9YjHLmDkrUgNodJCX CeMe4BO4iaxUQARAQABtCdNYXJrdXMgUHJvYnN0IDxtYXJrdXMucHJvYnN0QHBvc3Rlby5kZT6JAl QEEwEIAD4CGwMFCwkIBwICIgIGFQoJCAsCBBYCAwECHgcCF4AWIQSCdBjE9KxY53IwxHM0dh/4561 D0gUCaIZ9HQIZAQAKCRA0dh/4561D0pKmD/92zsCfbD+SrvBpNWtbit7J9wFBNr9qSFFm2n/65qen NNWKDrCzDsjRbALMHSO8nigMWzjofbVjj8Nf7SDcdapRjrMCnidS0DuW3pZBo6W0sZqV/fLx+AzgQ 7PAr6jtBbUoKW/GCGHLLtb6Hv+zjL17KGVO0DdQeoHEXMa48mJh8rS7VlUzVtpbxsWbb1wRZJTD88 ALDOLTWGqMbCTFDKFfGcqBLdUT13vx706Q29wrDiogmQhLGYKc6fQzpHhCLNhHTl8ZVLuKVY3wTT+ f9TzW1BDzFTAe3ZXsKhrzF+ud7vr6ff9p1Zl+Nujz94EDYHi/5Yrtp//+N/ZjDGDmqZOEA86/Gybu 6XE/v4S85ls0cAe37WTqsMCJjVRMP52r7Y1AuOONJDe3sIsDge++XFhwfGPbZwBnwd4gEVcdrKhnO ntuP9TvBMFWeTvtLqlWJUt7n8f/ELCcGoO5acai1iZ59GC81GLl2izObOLNjyv3G6hia/w50Mw9MU dAdZQ2MxM6k+x4L5XeysdcR/2AydVLtu2LGFOrKyEe0M9XmlE6OvziWXvVVwomvTN3LaNUmaINhr7 pHTFwDiZCSWKnwnvD2+jA1trKq1xKUQY1uGW9XgSj98pKyixHWoeEpydr+alSTB43c3m0351/9rYT TTi4KSk73wtapPKtaoIR3rOFHLQXbWFya3VzLnByb2JzdEBwb3N0ZW8uZGWJAlEEEwEIADsWIQSCd BjE9KxY53IwxHM0dh/4561D0gUCaIO9eAIbAwULCQgHAgIiAgYVCgkICwIEFgIDAQIeBwIXgAAKCR A0dh/4561D0oHZEACEmk5Ng9+OXoVxJJ+c9slBI2lYxyBO84qkWjoJ/0GpwoHk1IpyL+i+kF1Bb7y Hx9Tiz8ENYX7xIPTZzS8hXs1ksuo76FQUyD6onA/69xZIrYZ0NSA5HUo62qzzMSZL7od5e12R6OPR lR0PIuc4ecOGCEq3BLRPfZSYrL54tiase8HubXsvb6EBQ8jPI8ZUlr96ZqFEwrQZF/3ihyV6LILLk geExgwlTzo5Wv3piOXPTITBuzuFhBJqEnT25q2j8OumGQ+ri8oVeAzx24g1kc11pwpR0sowfa5MvZ WrrBcaIL7uJfR/ig7FyGnTQ1nS3btf3p0v8A3fc4eUu/K2No3l2huJp3+LHhCmpmeykOhSB63Mj3s 3Q87LD0HE0HBkTEMwp+sD97ZRpO67H5shzJRanUaDTb/mREfzpJmRT1uuec0X2zItL7a6itgMJvYI KG29aJLX3fTzzVzFGPgzVZYEdhu4y53p0qEGrrC1JtKR6DRPE1hb/OdWOkjmJ75+PPLD9U5IuRd6y sHJWsEBR1F0wkMPkEofWsvMYJzWXx/rvTWO8N4D6HigTgBXAXNgbc3IHpHlkvKoBJptv6DRVRtIrz 0G0cfBY0Sm7he4N2IYDWWdGnPBZ3rlLSdj5EiBU2YWgIgtLrb8ZNJ3ZlhYluGnBJDGRqy2jC9s1jY 66sLA9rQZMHhJTzMyIDwweGlvMzJAcG9zdGVvLmV1PokCbQQTAQgAVxYhBIJ0GMT0rFjncjDEczR2 H/jnrUPSBQJpa71VGxSAAAAAAAQADm1hbnUyLDIuNSsxLjExLDIsMgIbAwULCQgHAgIiAgYVCgkIC wIEFgIDAQIeBwIXgAAKCRA0dh/4561D0gKJD/9uOQKYlsDoQX65Gd0LiMT0C+5vXgr3VI0PHDOwcv 51fJ3A1vNyPZRFPGrz8+mDEXUQOF/INfnz5Tu1QHwf+iYcWcTGAN/FHgVR6ET6VBNU2hJaKhu+Ggo kjYyJTOvyX+3yNRUfSny0GjTjIPuPTErjqmHF+BtjXslpgwqnNMznf3lRIuUjRORupos6p3k1DndE 5vzUTmXSvMyXyOD2KhBl/kL76k0bHYyAQytZPag12pltrtFbA/r2phDGN2si8PooDT99bSTJjaM45 MTAAHbHKJfvgfK41bNFD5mMtpWpL195XRtS0Nrxdg3PaYBxN5gtTG0RyZfpYRlkdEhm+jj/8RxuSG i/qdhRdbiI7K2IELWeQVHSNDi9JabR/UzlR4NSnhfAjRIVlRM+eFbUl8XwxwVrAkojF5IraH2qRvg VCmuFsHUW07FUlrDrzpjXsD73cKppoFGDCdDR0BHJepXbFLS9+AqkT+guRJlnCTg2p+TQtnbwPgKp Vj98JixovCl99zRYTsL2bRNU5+q8iET65VMJ1ydyNanvLd5vI/NqDkXhlXLsGmdaDTtu4R21PkToX dQNGrZ91M9nlIBKw8Y7c7xZ4098qX2b8JX/CxD+gC1r4C8vuA3GkhFLx+KlkON7LyiJPkrePp6Qky jfGillcaQOqFZ3WwVqyzG1BUfTow== Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-nC+OGHgEd8Indof71zb6" Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 OpenPGP: url=https://posteo.de/keys/markus.probst@posteo.de.asc; preference=encrypt --=-nC+OGHgEd8Indof71zb6 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, 2026-07-01 at 17:14 +0200, Krzysztof Kozlowski wrote: > On 01/07/2026 15:25, Markus Probst wrote: > > > > + > > > > +maintainers: > > > > + - Alexandre Belloni > > >=20 > > > This should be someone caring about this hardware. > > He does have the majority of commits on this driver (excluding merge > > commits and commits not exclusive to this driver), although most of > > them are pretty tiny. > >=20 > > Who would you suggest instead? >=20 > Someone adding features for this driver, maybe driver maintainers. But > if Alexandre is fine, you can leave him. >=20 > > >=20 > > > > + > > > > +description: > > > > + The S-35390A is a CMOS 2-wire real-time clock IC which operates = with the > > > > + very low current consumption in the wide range of operation volt= age. > > > > + > > > > +allOf: > > > > + - $ref: rtc.yaml# > > > > + > > > > +properties: > > > > + compatible: > > > > + const: sii,s35390a > > > > + > > > > + reg: > > > > + maxItems: 1 > > > > + > > > > + sii,wakealarm-output-pin: > > > > + $ref: /schemas/types.yaml#/definitions/uint32 > > > > + enum: [1, 2] > > > > + description: | > > > > + The output pin to wake up the system. > > > > + Default will use the output pin for interrupt signal 2. > > > > + : Output pin for interrupt signa= l 1 > > > > + : Output pin for interrupt signa= l 2 > > >=20 > > > Does that mean device generates the interrupts? > > Yes. > >=20 >=20 >=20 > Then I think you miss interrupts property. =46rom what I can tell the line is used to generate a system wakeup event. There would be no obvious benefit of connecting it to an interrupt controller, so this property would be obsolete? Thanks - Markus Probst >=20 > Best regards, > Krzysztof --=-nC+OGHgEd8Indof71zb6 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- iQJPBAABCAA5FiEEgnQYxPSsWOdyMMRzNHYf+OetQ9IFAmpFQ4cbFIAAAAAABAAO bWFudTIsMi41KzEuMTIsMiwyAAoJEDR2H/jnrUPSFI8P/3g9wc/GMAAirV36quML +9GQDRlBJXSizRsPFYQAjN9Qi3KS3SOK3g+EMCdzOl7WoIc8f/lP2x1qtL5w1vus 6MH+CjY9OmWeQPSenS8wjEjwxyEhUGMPZdsfOz/Tr17wxf9+G3NKogTOYDZ03Bli iH+mjDH+ZXFtsm3ZBaTzqkEWjmeCi+OIVHf0hMCWCqEtWFBFVwIaFLtO8YsaOQui 6+nf5Yz1AHWi5qhVNpnXXA48Zr0n+tz/gz80b7BrNS/p62fJFPxtE43yN6sAT+Ad QZOEblmA1hlM+l6Ptjvg8H+zOsxyExvp1GXORnwX3YQaoKNxp8j5/evGjDCSUsem IxghOTDcT8UukAnc043EtlhN20t5i7DRj8CvRZ3Z4vLcTatc16bfuffqnzGtSGlO y9+3Pk0+42rw/1TgviNtmlVeSLh17h5GUWekO/vtOa0kt6J/Vg0HEx53xkpPSr/5 8m26hdaOv7qCgcNg4iDIVoVuhRhIfzLlqTWlvgrKiuIXbXbs6LD53VqD8q9ifJM+ rnjcl+Tpavi6iI7BOg+3gOO/tSpXF92S4O6hyR4h678q3kqq+VRX+PrK6L7PRf56 GZ/ngn+UM41wGxpNz39i81LKwcjthvHJDxj9okl28drlux9Tc/Q10URNJWgMtEmn ROYB9Z0HEt6kJWAo1zMBL/Ym =9wxf -----END PGP SIGNATURE----- --=-nC+OGHgEd8Indof71zb6--