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 0E504434984; Fri, 11 Sep 2026 08:51:14 +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=1789116675; cv=none; b=FujaL1EeHqPtO6LrVeADNV+LWcAFaT+Zxahf32vb4Gkh86mmiK3v2ik+sgQnpNgQAk7PCDbCSVxv5/pJk9U5p88IM38FudoTqsxdkLoSvuxt+7g+XDH0JuDWZaApNxR075Ong5/jYxH6bHFny1uFZ0kcvywzRN8KqO20zWyIrSQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789116675; c=relaxed/simple; bh=07d8wKscWXVq7RDJjHkW9XddOX815xGvrx1VHtKkGvs=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=AMxKuesPyy1a3/zHEAdAfs44OWPrXQaVtwDMlo58D/TzOUyU/ETSRXJuW7xmHluYjGalrv6JJ3d4GiqHyr8RST1efz0H1/IOoyWZJhrcx+iZtLCY5cL1Rwmqpu8KqvA2QIl4UxOqGoGh1hZkoRiLEDSIjB1kVWn41Ffft9DKWnA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VF5ylQ+2; 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="VF5ylQ+2" Received: by smtp.kernel.org (Postfix) with ESMTPS id 92810C2BCF5; Fri, 11 Sep 2026 08:51:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1789116674; bh=07d8wKscWXVq7RDJjHkW9XddOX815xGvrx1VHtKkGvs=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=VF5ylQ+2c/h0Bl+82CoyVZ2QgmKthihLuNpr9gwMdtAbDCuGWaVgpWEuLrmAYyh5f y9PaJRwNV9by3p9x8fFUfOcl4+y5PmZYaBD8129bZ68ekJ3G3Ev2aWTXxhi+kLNu41 8i9bS0sbHnJB9DuBetPM1iwV7w3SlA94CBS4H89x+B/GLWYSrWWx8pjAkK/Dx6o41B A3Qw925Xux6my/4yptEPZrfgkoKs4AVR4ePz47rVhLbSpIJG/G08Uy0HlAkbWpPfH3 M+y3tTG1wwhtwR0TI61JLI85jAyFhqI0HGlzdStWHPrGrHxmFcw05lmWhF1FKIIDPj tld0n7NfQE68Q== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6BAC6C88E50; Fri, 11 Sep 2026 08:51:14 +0000 (UTC) From: =?utf-8?q?Y=C4=B0=C4=9E=C4=B0TCAN_KAVAKLI_via_B4_Relay?= Date: Fri, 11 Sep 2026 11:50:58 +0300 Subject: [PATCH RFC 01/10] dt-bindings: backlight: add Kinetic KTD3136 Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20260911-ginkgo-submission-final-v1-1-0e68e63a18d4@gmail.com> References: <20260911-ginkgo-submission-final-v1-0-0e68e63a18d4@gmail.com> In-Reply-To: <20260911-ginkgo-submission-final-v1-0-0e68e63a18d4@gmail.com> To: Lee Jones , Daniel Thompson , Jingoo Han , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Helge Deller , Liam Girdwood , Mark Brown , Sumit Semwal , Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Dmitry Torokhov , Henrik Rydberg , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Sean Paul , Marijn Suijten , Bjorn Andersson , Konrad Dybcio Cc: dri-devel@lists.freedesktop.org, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-input@vger.kernel.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, =?utf-8?q?Y=C4=B0=C4=9E=C4=B0TCAN_KAVAKLI?= X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1789116671; l=2380; i=kavakliyigitcan@gmail.com; s=20260911; h=from:subject:message-id; bh=1qOWka2RqpGg1tbdhR9VbVnp2Dr9kAnrMfXquGM3d6U=; b=tPsC38NGiMj10cf2MHZTTpvh8GU5kjYbScAMNbDcYn3V2e+KSk4lCvwoX6GGsgBKF0/jvxY1j 92U/sQgU3zNC9FOygauFmLnU35Ax7LZfLjiF0lcSDwfW4mxZjFKgCHj X-Developer-Key: i=kavakliyigitcan@gmail.com; a=ed25519; pk=W2GaxVotULs2vAjRMMLheaDtMMYs4037zO1LVVfFtPI= X-Endpoint-Received: by B4 Relay for kavakliyigitcan@gmail.com/20260911 with auth_id=1024 X-Original-From: =?utf-8?q?Y=C4=B0=C4=9E=C4=B0TCAN_KAVAKLI?= Reply-To: kavakliyigitcan@gmail.com From: YİĞİTCAN KAVAKLI Add devicetree binding documentation for the Kinetic Technologies KTD3136 3-channel LED backlight driver using the official "kinetic" vendor prefix. The device is controlled over I2C and supports an optional hardware enable GPIO line (enable-gpios), supply regulators, and standard backlight brightness range properties. Signed-off-by: YİĞİTCAN KAVAKLI --- .../bindings/leds/backlight/kinetic,ktd3136.yaml | 65 ++++++++++++++++++++++ 1 file changed, 65 insertions(+) diff --git a/Documentation/devicetree/bindings/leds/backlight/kinetic,ktd3136.yaml b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktd3136.yaml new file mode 100644 index 0000000000000000000000000000000000000000..f85381c29964529a09989a1ff60d9c9fe4897bb7 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktd3136.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/backlight/kinetic,ktd3136.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Kinetic Technologies KTD3136 3-Channel LED Backlight Driver + +maintainers: + - Lee Jones + +description: | + The Kinetic Technologies KTD3136 is a high efficiency, 3-channel LED + backlight driver with 11-bit exponential or linear dimming control + via I2C interface. + +allOf: + - $ref: common.yaml# + +properties: + compatible: + const: kinetic,ktd3136 + + reg: + maxItems: 1 + + enable-gpios: + description: GPIO connected to the HWEN (Chip Enable) pin. + maxItems: 1 + + vin-supply: + description: Regulator providing power to the VIN pin. + + default-brightness: + minimum: 0 + maximum: 2047 + default: 2047 + + max-brightness: + minimum: 0 + maximum: 2047 + default: 2047 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + backlight@36 { + compatible = "kinetic,ktd3136"; + reg = <0x36>; + enable-gpios = <&gpio 6 GPIO_ACTIVE_HIGH>; + default-brightness = <2047>; + max-brightness = <2047>; + }; + }; -- 2.47.3