From mboxrd@z Thu Jan 1 00:00:00 1970 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 6052B211A11; Wed, 5 Feb 2025 20:37:27 +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=1738787848; cv=none; b=NFND+iL/GH+G7EXEodJjZp9nbT6r68JnqGPFwz0sPXqh3xHTL+Yj8pz6oEaBdzIL5Tb42B8YZP22zb8ECJrzPQohG2ZryphmEF9tgScHJ4BW3OTvaRujPeM79R6F30iqm4yf6YzLzt9wcPYwjP9d1Bhk2yeLpaTDhiOrrbZFZRk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738787848; c=relaxed/simple; bh=72QkPdGgb2K/SF9cTlCTLOmJQnJ8jZBKcum5GAY/sDc=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=JzKb+pSckyGJ2F7UR3yTHmt9kBEoyxTYyBBQ0h7eIW35qgzMmGdm1P9u/6EHy/zHD0ahfoKvtBkytVzVkKwI6iwKl53aeTsmbObmZ+QGaMhZwmFQl+UaHLWBpk7aQUQ/hakRHRGra/bfBrLaxwkTxW0nXIOtUlwm+jT3TU2XkGA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Mip/vPjF; 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="Mip/vPjF" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 86AA4C4CED1; Wed, 5 Feb 2025 20:37:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1738787847; bh=72QkPdGgb2K/SF9cTlCTLOmJQnJ8jZBKcum5GAY/sDc=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=Mip/vPjFQhdTrSgTJqzQhXZKV7etkPNSK7lP09i8l4f2zWratVf7uM2y+/c05xiKK LA/zWV6/68yxODj+78wLm4O7gMV5EuFhHY/pLP3Fn4l9eRIFzXV1RxdwLnJSGUQ3jX klhfilWwrqbdsjkhKMBp7dbMfILtEeRnrgJfrtmot95UFC+/74ehznMPwIiV85IwpY Uj3/HT7tqvn0wTRxeCAV35nzWk6oqfojQ677jpMwpnqu+AaCUC7qWKWVYrtxdJ0Z6R K6aDnK/DMTAZV58X34aNmw1nyrcdhWhdDDH/MAAa64TZ8kbAv1ETtA8VGDSz7nlDnO Q5TSBjHlJnGZQ== Message-ID: <0836dfe1-f497-4d46-b93f-a7362b8c61aa@kernel.org> Date: Wed, 5 Feb 2025 21:37:21 +0100 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/4] regulator: dt-bindings: add documentation for s2mpu05-pmic regulators To: Kaustabh Chakraborty Cc: Liam Girdwood , Mark Brown , Rob Herring , Conor Dooley , Lee Jones , Sergey Lisov , linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org References: <20250204-exynos7870-pmic-regulators-v1-0-05adad38102c@disroot.org> <20250204-exynos7870-pmic-regulators-v1-1-05adad38102c@disroot.org> <20250205-keen-taupe-loon-35e0de@krzk-bin> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 05/02/2025 21:06, Kaustabh Chakraborty wrote: > On 2025-02-05 08:32, Krzysztof Kozlowski wrote: >>> + >>> +description: | >>> + This is a part of device tree bindings for S2M and S5M family of Power >>> + Management IC (PMIC). >>> + >>> + The S2MPU05 provides buck and LDO regulators. >>> + >>> + See also Documentation/devicetree/bindings/mfd/samsung,s2mps11.yaml for >>> + additional information and example. >>> + >>> +patternProperties: >>> + # 21 LDOs >>> + "^LDO([1-9]|10|2[0-9]|3[0-5])$": >> >> Why is there a gap in LDOs? > > LDOs 11-24 are not implemented in the downstream kernel driver. On further > inspection I was able to find the register addresses, but minimum voltage > and step values are unknown. :( I see, there are marked for CP. Add a comment that gap in LDOs is due to lack of datasheet and lack of control by OS. Best regards, Krzysztof