From patchwork Thu Oct 5 18:49:08 2023 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: 729901 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DCEEDE92728 for ; Thu, 5 Oct 2023 18:55:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229596AbjJESzk (ORCPT ); Thu, 5 Oct 2023 14:55:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59400 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229656AbjJESzj (ORCPT ); Thu, 5 Oct 2023 14:55:39 -0400 X-Greylist: delayed 350 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Thu, 05 Oct 2023 11:55:38 PDT Received: from mx.skole.hr (mx1.hosting.skole.hr [161.53.165.185]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 140AC93; Thu, 5 Oct 2023 11:55:38 -0700 (PDT) Received: from mx1.hosting.skole.hr (localhost.localdomain [127.0.0.1]) by mx.skole.hr (mx.skole.hr) with ESMTP id 54BB984F75; Thu, 5 Oct 2023 20:49:48 +0200 (CEST) From: =?utf-8?q?Duje_Mihanovi=C4=87?= Date: Thu, 05 Oct 2023 20:49:08 +0200 Subject: [PATCH 1/2] dt-bindings: backlight: add Kinetic KTD2801 binding MIME-Version: 1.0 Message-Id: <20231005-ktd2801-v1-1-43cd85b0629a@skole.hr> References: <20231005-ktd2801-v1-0-43cd85b0629a@skole.hr> In-Reply-To: <20231005-ktd2801-v1-0-43cd85b0629a@skole.hr> To: Lee Jones , Daniel Thompson , Jingoo Han , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Helge Deller Cc: Karel Balej , dri-devel@lists.freedesktop.org, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fbdev@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, =?utf-8?q?Duje_Mihanovi=C4=87?= X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1714; i=duje.mihanovic@skole.hr; h=from:subject:message-id; bh=UdiONCDFn7tSC5O0Vn6kl8sVoN7CSUp9mQWdTvRQG54=; b=owEBbQKS/ZANAwAIAZoRnrBCLZbhAcsmYgBlHwVCfv22qJGXGxy+4xw0vT+90XZOJv8VbwEA1 upnGjCeI6eJAjMEAAEIAB0WIQRT351NnD/hEPs2LXiaEZ6wQi2W4QUCZR8FQgAKCRCaEZ6wQi2W 4RKXD/9XfqrqI9hIeLFo4dL2yYC+GvW8XRQw3ij9ldGmH5vDRakMYYgMM3RjG204uN3bQO9yPjJ AIZnmONSC6fEjx3EgOBYvhNaa4sxxDsh7LwUvIbQeIQ+eZZVRS6YusOguR3xv+vvr1SJ8UrPGas 60idqG69zQjXVnoBK3lVlzZKQlBBlyRXyzoBJOgvB+T0s9/jT/2IqEXnS+i6EM7M2+werN3lGo+ lunZHJmuTmWuOrr1yKi4YaxE5h8uPToiALQdwfuU6TSwcdP0hi92LpAVE4p51KYB74pFKXm1IXQ FaIUFk+NmvntQR8P/sGc4CNlN21LmpJ/D6wxIIXxmrmrFYnqOMqJwIvDKhjkAxsJD/sTwEh2A6s P/UBNpCfl3iCqAZP//0qZ9EzVfEBrafl0pqlKWkEkY9K1YP8L3uujyxgDMfoHaWvnggeGAEQs9u ksij04LIVR1XFIlDtfgx+NZ5sspmDjWKLpXiw/JdMzDAEeZexNnwa0NmZyeiahubRIaXAnvZLy2 bt0df+oNz7ackb4gSEVOitqw0g5IjN/TZEeJKxobJq3RUg0ErGS7xljASaIqMkaLkVJ3xHrCYJq eXsYYDr/sKW8S7VYFNtzeVYfMX01hfx/NxCrCSCVd+WkT7Dby2gzwQMk7zZVHxwFFKWpgjmX6BH SU0bAmrwbsBOFag== X-Developer-Key: i=duje.mihanovic@skole.hr; a=openpgp; fpr=53DF9D4D9C3FE110FB362D789A119EB0422D96E1 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org Add the dt binding for the Kinetic KTD2801 backlight driver. Signed-off-by: Duje Mihanović Reviewed-by: Krzysztof Kozlowski --- .../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..970d54bac18e --- /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 + + enable-gpios: + maxItems: 1 + + default-brightness: true + max-brightness: true + +required: + - compatible + - enable-gpios + +additionalProperties: false + +examples: + - | + #include + + backlight { + compatible = "kinetic,ktd2801"; + enable-gpios = <&gpio 97 GPIO_ACTIVE_LOW>; + max-brightness = <210>; + default-brightness = <100>; + };