From patchwork Thu Jan 18 17:32:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Duje_Mihanovi=C4=87?= X-Patchwork-Id: 13523058 Received: from mx.skole.hr (mx1.hosting.skole.hr [161.53.165.185]) (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 0BA242D791; Thu, 18 Jan 2024 17:33:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=161.53.165.185 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705599215; cv=none; b=Rnx8997FQyjFHg1q5ytH4FWZEaSDIcHzZD1ZoVX8OPyBcFlJYhuKybHtRCXWtcHPM3DnAsjgNWZMTBAoq5y7HL0jPLlKefW03Et7SG34qe47jFPJuORt95Dsx/OQcu6L037N7WRM21tcCXy8ipd0ANWveaDpEGW20Wk/p5IMp1c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705599215; c=relaxed/simple; bh=iNn7xg36o4SOnQIC660Uj6QfFESJksQoGp7is54EjGU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=MdGOc6GWVUayVFepXTBEIFbx9N2AbSXi6Q8cW+aYm8cP0BXd5MGKfpcJRl3tRjGFnAgpxZWunlDUlEPtia4JSOk+aNtB9/aLr+kX4DzAnOFYuXGyOryqMPHsaYv1uPMICkxOtw0RKz6kMHRiXuwkdmYGbkYBifdSUPBt32NpNts= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=skole.hr; spf=pass smtp.mailfrom=skole.hr; arc=none smtp.client-ip=161.53.165.185 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=skole.hr Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=skole.hr Received: from mx1.hosting.skole.hr (localhost.localdomain [127.0.0.1]) by mx.skole.hr (mx.skole.hr) with ESMTP id 27BD883BA7; Thu, 18 Jan 2024 18:33:25 +0100 (CET) From: =?utf-8?q?Duje_Mihanovi=C4=87?= Date: Thu, 18 Jan 2024 18:32:38 +0100 Subject: [PATCH v2 1/2] dt-bindings: backlight: add Kinetic KTD2801 binding Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240118-ktd2801-v2-1-425cf32e0769@skole.hr> References: <20240118-ktd2801-v2-0-425cf32e0769@skole.hr> In-Reply-To: <20240118-ktd2801-v2-0-425cf32e0769@skole.hr> To: Lee Jones , Daniel Thompson , Jingoo Han , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Helge Deller Cc: Karel Balej , ~postmarketos/upstreaming@lists.sr.ht, dri-devel@lists.freedesktop.org, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fbdev@vger.kernel.org, =?utf-8?q?Duje_Mihanovi=C4=87?= , Krzysztof Kozlowski X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=openpgp-sha256; l=1776; i=duje.mihanovic@skole.hr; h=from:subject:message-id; bh=iNn7xg36o4SOnQIC660Uj6QfFESJksQoGp7is54EjGU=; b=owEBbQKS/ZANAwAIAZoRnrBCLZbhAcsmYgBlqWDB1JxAMfpI+JslgU8OnmNzd2BuzUDgLgTbn RxOcz/B/oWJAjMEAAEIAB0WIQRT351NnD/hEPs2LXiaEZ6wQi2W4QUCZalgwQAKCRCaEZ6wQi2W 4ZDiD/0fXVj/3tE/NZpBl4xZ0KueJ6+p03t2s+FLZUBCEYfa+wm5lvHCMBy8vDgihzdgDNDdvf8 F8I+XU+ON5hZiwwKQIXI74g6VOBtJstetpkIdsgEvWpiwaNovurv5MzKG2t89CkpqGHfujP2eB5 +OiIlpn588ZcR8LZK847TUxTrbq7dAAn8DAV3O+DPMVwAPXeuqb2BSl3mboP9+bsunUbHjruq7g f58ifQKxj60bjPsaDXv7lGTghHYDUWCklxKYyEBvhN70qadYI2hRxQeCMzTE0gcjd3a9h3xfikF g8+facKX3Bx+7040X/RCeWVMwHSAJlLcM0kbn2aiWlQR4m9D9/O1Za1GA8cWF4ORo/FiQMe7bs9 8t8kY/BTrsaeG+H2wh7zY4RL4FzFL+0m6oJVHVfQ0Si83EllIEi2QMwJo88ptiZUTVMDRZWTaUG j4+q4eYgtQjPBZOxP4z9YsugXvpGuqnHEozzlxdcWit4tIQWtPFC9vapA4dYIACyD2stW7+VRVo iLgRHBMBt1srw+ZlUvaIpfFoIJMiwS4OMKAsyfWfQmHFMsAzqZnfyjqEMSgm2PfNheFconwUlwp Ontkyi+TbITqvXD7TGuBNwaIqsRHoHRtUHyUIWZH61sM7iyojaZEIiylYho1yJ0WJPCWIQ1VF9c WGO0cWm0VIOY5Sg== X-Developer-Key: i=duje.mihanovic@skole.hr; a=openpgp; fpr=53DF9D4D9C3FE110FB362D789A119EB0422D96E1 Add the dt binding for the Kinetic KTD2801 backlight driver. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Duje Mihanović Reviewed-by: Linus Walleij --- .../bindings/leds/backlight/kinetic,ktd2801.yaml | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/Documentation/devicetree/bindings/leds/backlight/kinetic,ktd2801.yaml b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktd2801.yaml new file mode 100644 index 000000000000..b005065e0f48 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktd2801.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/backlight/kinetic,ktd2801.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Kinetic Technologies KTD2801 one-wire backlight + +maintainers: + - Duje Mihanović + +description: | + The Kinetic Technologies KTD2801 is a LED backlight driver controlled + by a single GPIO line. The driver can be controlled with a PWM signal + or by pulsing the GPIO line to set the backlight level. This is called + "ExpressWire". + +allOf: + - $ref: common.yaml# + +properties: + compatible: + const: kinetic,ktd2801 + + ctrl-gpios: + maxItems: 1 + + default-brightness: true + max-brightness: true + +required: + - compatible + - ctrl-gpios + +additionalProperties: false + +examples: + - | + #include + + backlight { + compatible = "kinetic,ktd2801"; + ctrl-gpios = <&gpio 97 GPIO_ACTIVE_HIGH>; + max-brightness = <210>; + default-brightness = <100>; + };