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Sun, 06 Apr 2025 22:29:46 -0700 (PDT) Received: from giga-mm.home ([2a02:1210:861b:6f00:82ee:73ff:feb8:99e3]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-43ec169b8a3sm121113105e9.19.2025.04.06.22.29.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 06 Apr 2025 22:29:45 -0700 (PDT) Message-ID: Subject: Re: [PATCH v13 1/3] dt-bindings: soc: sophgo: add RTC support for Sophgo CV1800 series From: Alexander Sverdlin To: Inochi Amaoto , sophgo@lists.linux.dev, devicetree@vger.kernel.org, linux-rtc@vger.kernel.org Cc: Jingbao Qiu , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen Wang , Alexandre Belloni , Arnd Bergmann , Yangyu Chen , linux-kernel@vger.kernel.org Date: Mon, 07 Apr 2025 07:29:37 +0200 In-Reply-To: References: <20250309202629.3516822-1-alexander.sverdlin@gmail.com> <20250309202629.3516822-2-alexander.sverdlin@gmail.com> Autocrypt: addr=alexander.sverdlin@gmail.com; prefer-encrypt=mutual; keydata=mQINBGWpGj8BEACy09IxfduHTzAdqKkf3SmGIHIEquHWHIXqgVIoZo/ufP8mIpsWYwFKP 9gsCvVvNNugtK8YPN92lbHol35nfZiXLIp16ASRQXYFtBjXj4GAVjUPjaTkQbcedIgD2nEZ/HQSio hfnUSS0YmxI0UUJmZFulwQZil6OmPVbbQoda8/In5h/wNRo6y5vJreRhsjqcP5LckLRov3t+jabUz n0/1twHNO0SnI508dXenEhQcBX7Wns+JfwRqO8jxBK1P3DntW+n0OJ8DkjSMJjm0zk9JtY28WK332 Vpq8smZxNDNCfs1YtRMzfEEZKRvxsSMzTxri/cw7VXJa7m138LlyPBkXizjAKqad/Mrthx4ambsWu RXyjklYOBYqMEAdlZNLPQnhnIICFwkJ/lnLE8Ek6Dh0NYl1HpsOyvu1ii7VPEXHLMGTKFmFmWtrmC UrHIBrAvStMJ2jIRhEyCGDpf6f5dfKNOb3GWRtX36326TDOa2eXWqaTQEPKWRSUwhC3f3j/C/o/vj 6bDHQ8ZsNcKYxwtSoh+elHT5xtHOMvPBP6gavgZRDnH6wBSHWnXYxyOmZPKr2NuhMwhEyhpvkEq5z W6Z/hp5POzZ74GNkIKB5/FpETobgoV/XB2HMnlIUAJE2RYRYwvbgIkKTJxFD4FIIP2DVt/7cT/8ry 5Nhe2fouscuDQARAQABtDFBbGV4YW5kZXIgU3ZlcmRsaW4gPGFsZXhhbmRlci5zdmVyZGxpbkBnbW FpbC5jb20+iQJUBBMBCAA+FiEEYDtVWuq7d7K0J3aR+5lQra83LKgFAmWpGj8CGwMFCQPCZwAFCwk IBwIGFQoJCAsCBBYCAwECHgECF4AACgkQ+5lQra83LKjUHA/+KlP0no2WRK1co+2yi0Jz2kbSY61Z oX+RqbLqkCoo1UxsU/MddscgjKOfggNASZ1l//jUkx39smTBONmxcauTtY4bB4Q9X8Djk+XO1M9iw Gb7feCbnIuRHyvI3qygC+k3XgLIJScui3/yEL0aikd5U4F6nkKyQiPQk7ihKWKyBQXQ+tXS06mUH4 p0O5BYvxijW32Z9esVB15OB8vUcx2bsdjogEuNc0uwOGMHsVIsW4qupoHRHPc1865uAqzv9vW3a2/ GOG6IpBFjmXqg7Wy9zwVjSJFMvVxu2xs3RCdpS99aMrfA2na1vjC5A7gNFnr+/N2vtMBP0d0ESfd/ 54zSglu3FW0TIOIz7qkrWQKwiennfUun/mAvCynCrKpCpUMkEgeQw1rHCWpSfnJ6TPG0UfQGNUFyz zmBheQRSEksaepfCtqwCxtjF19JZ6yapLi/lQt7YBjwxIPkZRHJNelPkK/bs6yeRJul90+X6UAJst Wh4mC7HzVvmopJoCxbInS4+L6qlefdjqhB6NYw9Q5GsRmTKalaqJoW1/kXopeGExCY4r1FP5ZoLHF s0xNbycpD2tp/GnI8GlYCIzQED3TNab7IkWP2otXnWAnF8CrqhglBbYnp8oCkgBPatYftO4dWFP3Y LVWE0EtoWLLrmiWzHkbWc8YKpWAiFX8OhUJLKtA= Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.54.3 Precedence: bulk X-Mailing-List: linux-rtc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Hi Inochi! On Mon, 2025-04-07 at 09:09 +0800, Inochi Amaoto wrote: > > Add RTC devicetree binding for Sophgo CV1800 series SoC. The device is > > called RTC, but contains control registers of other HW blocks in its > > address space, most notably of Power-on-Reset (PoR) module, DW8051 IP > > (MCU core), accompanying SRAM, hence putting it in SoC subsystem. > >=20 >=20 > I think this is a mfd device, so why not moving this into mfd subsystem? MFD is by far the most tricky subsystem to get into [1] ;-) SOC looks much more realistic [2] [1] https://lore.kernel.org/all/20250306003211.GA8350@google.com/ [2] https://lore.kernel.org/all/20250303-loud-mauve-coyote-1eefbb@krzk-bin/ --=20 Alexander Sverdlin.