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=1793714719; b=1DQkJ9ARiTMLuz0EEAmmo93X6D2W9HS+LCNjfEuO3A89wMkrtdKqj/y7jcqlwUGR0LYs 5B3YYoDKhtWf0iRgNdi7s2gd5s9WlHwrj8mm0rkK8dLZ0zE1KdReuvqCu9i54hhZZOVxw tG/CmarZ1TtPTEB/v/viUJbz4X9KjLz4L06SrSMG/cqiQQWuBycxDp2D9vRaIsXRQYP10 y1GDYnTn1/tV/6LpRypdBvzWx0YJDcvoVK1CvbOtf+VqC9pqyNqYCKOuu0Tbr2h2LKPih MggWFid63/oQCBWZwT5ANOpktC2V1NGPWJCjO0t++x/eq3KvYGCbNF21+X8cMKTVWDw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793714719; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=bF7qGpdtN0WIrQT8+FBNrErYPWOmZTo7dWkERTkp0DY=; b=xmq/Bqea+Fo0bvjJmq5A3YdeVU1ywLP42nD+vh+1VjxK7nfGd2V5veTiUexWTOCQkw6r Z0wro9NLxAxQAJ2nQs20dw+HMzeT/ME9srLtDeEkRx7eL5HhaA+/FDTeStPqYle/H7zZ6 VXvsEXEczs3njX998kAG9PKbK09Dqjki4IPjBMkXLL4Fhew8zberNOHuNHnaIZaFcuxo+ tOgC/0fHbMyzcEKOzxXOqgPBMsJW9CUbUolz+tRwxYaLBEM9CU2mlJci1be3n3CV13eTY G+P0l0eiJVRoZn3GCJXIwHpB01Sd40eyX2HHF5ZRuGFWDptVZpqhNdDaKCM/GUeYCEQ== 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=GhKpbDLi; 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 6C3CE606D816; Tue, 3 Nov 2026 14:05:19 +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=GhKpbDLi Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9067A1F00A2C; Tue, 3 Nov 2026 14:05:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793714719; bh=bF7qGpdtN0WIrQT8+FBNrErYPWOmZTo7dWkERTkp0DY=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=GhKpbDLia+ePgaenqQHOfJQOjb2rh86uzpnEuGIj8tTEmWCLbyq1lvnZ4EFDyuPxH Vv0rd000DCFwH6xiDLBmoAkk7GTDD1IqDLk6hF64Jy3rbTzqzdJ4G1tSurY8v0/YzX FvH2io3WUnl1/JErrbGdQBu8ynP4m/azATLPEta2b1s7I2UsTHIVjO+zSoheO5j5qG W9j8814TttOmhTo8R448UZseXBdBiOYQtyAXesqB0Wf/VJcGTNdht2Sv+k5M8I0glO V1+JrGK55NW7cdIZYxrgga8xmc0BKJAP/pQ4Y9OqI/R9JR7TBKuHOoxJUyvQgW7kII hPIt7jsO9Pl3g== Date: Tue, 3 Nov 2026 14:05:13 +0000 From: Daniel Thompson To: rva333@protonmail.com Cc: Lee Jones , Jingoo Han , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Helge Deller , dri-devel@lists.freedesktop.org, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fbdev@vger.kernel.org Subject: Re: [PATCH 1/2] dt-bindings: leds: backlight: add Kinetic KTD3137 Message-ID: References: <20261102-6768-ktd3137-v1-0-b5b4f903c56e@protonmail.com> <20261102-6768-ktd3137-v1-1-b5b4f903c56e@protonmail.com> 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: <20261102-6768-ktd3137-v1-1-b5b4f903c56e@protonmail.com> On Mon, Nov 02, 2026 at 09:58:48PM +0200, Roman Vivchar via B4 Relay wrote: > From: Roman Vivchar > > Kinetic KTD3137 is an LED IC, used in various mobile devices for the > display backlight. Add devicetree bindings documentation for this chip. > > Datasheet: https://www.kinet-ic.com/uploads/KTD3137-04a.pdf > > Signed-off-by: Roman Vivchar > --- > .../bindings/leds/backlight/kinetic,ktd3137.yaml | 64 ++++++++++++++++++++++ > MAINTAINERS | 5 ++ > 2 files changed, 69 insertions(+) > > diff --git a/Documentation/devicetree/bindings/leds/backlight/kinetic,ktd3137.yaml b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktd3137.yaml > new file mode 100644 > index 000000000000..140615640a9a > --- /dev/null > +++ b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktd3137.yaml > @@ -0,0 +1,64 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/leds/backlight/kinetic,ktd3137.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Kinetic Technologies KTD3137 LED Backlight > + > +maintainers: > + - Roman Vivchar > + > +description: > + The Kinetic Technologies KTD3137 is an I2C LED backlight driver for medium > + to large size LCD panels. > > + led-max-microamp: > + minimum: 5000 > + maximum: 29800 > + default: 20200 > + > + vin-supply: true > + > +required: > + - compatible > + - reg > + - vin-supply Why is vin-supply required? Daniel.