From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794412227; b=IO52y98QsF6W+xgGTZgjvWhk5KGyZpW8Djp8DNwjH8F+Ph3CIfQlm9u/j/jceAl/nWFn os0N0+vg6cEd0YEHlYI4tLfAmMgKFUiwmgBB6psyztrnpTOXtzoVverTYvuHmgm4tadCV tZUqjO1zOj4HTFhQIDX536/BnS4lNqnuPg6rCWJPu1PDCyzx2IQfB4y7lotZROwRLGtoU Wzisz+J+PIzjIYbnqpepWyIQjIqu8UMC5F2e4ITX+wctS4kY7/+ErfhAuVlwpq+4rvIMs 5MTyZ+3A+4Fl/o7JLMWVpfnFhwMHUksn4zX93wZpd5oRKBooeACPWEQET6llb7QrGxQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794412227; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=NYcAa2a2+ibnf1/Oun/2V68PPhIG7kMsSrFFMPbFRUU=; b=EXzvqaRhceBJniNSdvu1d5nGsVpPfTDtirKCpWZUwVwSOV4V/iaE89uWLn+/McoxPI7J dH+5jLVCv56Kj+xh4afetYAtEb/n7xaVs4x5wuJtVeKIUatAuFUXZvPoOV+VklbaOZO3d KfRBB2UKu12jZROFnqZcmX/Gg5S8XdAz3fiS9QaQyhOanBpxTYTgDhWX8dCTgDRNvnXkF 7vZBaiaBt5ahLnp0oplNDu15AjTunVFSD5VjkNUNv6KcU5FhezkNnUQqp2lKuXqi5RBSY 5w+5gTsh9rNBnO8vtsuBewJvC8aSCl2RVGA5PAOIoY+90/jd4Elk741IGFNPRlhdxFQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=eWnRNCy5; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 70BEF606A880; Wed, 11 Nov 2026 15:50:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=eWnRNCy5 Received: by smtp.kernel.org (Postfix) with ESMTPSA id C312A1F00A05; Wed, 11 Nov 2026 15:50:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794412227; bh=NYcAa2a2+ibnf1/Oun/2V68PPhIG7kMsSrFFMPbFRUU=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=eWnRNCy5PPWNEPde0PkRo184RI2u3JFZ5gxP9fspwrY3SRoG6Xsc3c6BA3RlrLckm dQOHvbiKHFkXIlozw6OVBrl5EcN4fGsU/YTct2z5R2xWFJlRFRq8Fzcy4wg8Xp8wXS Rbk9xzHPd3+Ly55e9udvO3H3zSvMzKaUejWP7DqYM5ZUd+xVGFfCFBlTm3Nv+kCfX4 JxuOUDAoA30ArDDAs8lPVOZbbr1lk4tJRSKoeIXBwicYAhlXPnNP84ssAmd7NV+GGz GhULh4F3YwwQVf7a6ybuTEGykt6Od6Vw6dKX5P1a9p6gvTbLriB8EnbP51cpQZUvlm huq7dWVRujXoQ== Date: Wed, 11 Nov 2026 09:50:24 -0600 From: "Rob Herring (Arm)" To: Qianhui Xu Cc: Krzysztof Kozlowski , linux-arm-msm@vger.kernel.org, Mark Brown , Liam Girdwood , linux-kernel@vger.kernel.org, Conor Dooley , devicetree@vger.kernel.org Subject: Re: [PATCH v10 1/2] regulator: dt-bindings: willsemi,wl2868c: add the WL2868C camera PMIC Message-ID: <179441222370.2975760.8038836403367934702.robh@kernel.org> References: <20261111111132.1296892-1-xiaqinghuan@mail.ustc.edu.cn> <20261111111132.1296892-2-xiaqinghuan@mail.ustc.edu.cn> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261111111132.1296892-2-xiaqinghuan@mail.ustc.edu.cn> On Wed, 11 Nov 2026 19:11:31 +0800, Qianhui Xu wrote: > The WL2868C is an I2C-controlled camera power management IC from Will > Semiconductor. It provides seven programmable LDOs: LDO1 and LDO2 are fed > from a shared VIN12 input and cover 0.496 V to 1.512 V, LDO3 and LDO4 share > VIN34, and LDO5 to LDO7 each have their own input, covering 1.504 V to > 3.544 V. All outputs are programmable in 8 mV steps and are gated by > per-output enable bits with a chip-wide SYS_EN master. The chip also > exposes an optional active-low RST_N input. > > VIN7 and VSYS are both inputs of the internal control logic, which is > powered from the higher of the two voltages, so a device tree has to > describe at least one of them. The remaining inputs only feed LDOs, so > they stay optional: an input can be left unconnected when the outputs it > feeds are unused on a given board. > > The example enables ldo1, which is fed from VIN12, so it also describes > vin12-supply; the binding says an input may only be left out when the > outputs it feeds are unused on a given board. > > Signed-off-by: Qianhui Xu > --- > .../bindings/regulator/willsemi,wl2868c.yaml | 99 +++++++++++++++++++ > MAINTAINERS | 6 ++ > 2 files changed, 105 insertions(+) > create mode 100644 Documentation/devicetree/bindings/regulator/willsemi,wl2868c.yaml > Reviewed-by: Rob Herring (Arm)