From mboxrd@z Thu Jan 1 00:00:00 1970 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 7F995C433EF for ; Wed, 11 May 2022 12:00:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240889AbiEKMAP (ORCPT ); Wed, 11 May 2022 08:00:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42538 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238494AbiEKMAA (ORCPT ); Wed, 11 May 2022 08:00:00 -0400 Received: from mail-ed1-x531.google.com (mail-ed1-x531.google.com [IPv6:2a00:1450:4864:20::531]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A0168243107; Wed, 11 May 2022 04:59:58 -0700 (PDT) Received: by mail-ed1-x531.google.com with SMTP id g23so2187567edy.13; Wed, 11 May 2022 04:59:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=z9UUg/fQTsaqkN2h8KB+8rJP5/jfsoQ0IyVKGrfdu/4=; b=bX7HkIaoRGew6tEpswM1+CpQTkckKbCj2lnYq+HShOUZpzz+RfWZilYyN71yloU2uI ozyiwfQGWhSi7g+IzclDVQKRMv8hjB7jonUeVL9V8heuurAhq2C5G6iGiU2qmD6JWnRD ex/o125CBSZ6xJXfa6jS3NpnpebkYl5bUM/cih75cRfvYd5yYaU2FXTHFLfTXpwLJqm2 7h0XsORg+WcxwkQanXx3QMJw+RRviq2wPVxyNE4KmbvVK1zFo5Db5HBNcto6CdvpTlzv 90nbMW146FyRT035OgKdwKUcqY+aEoX5wMadvfSpTXuVTnX1ZEjitYya9oHC/S+t7jBK ZgvA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=z9UUg/fQTsaqkN2h8KB+8rJP5/jfsoQ0IyVKGrfdu/4=; b=43LTWGAda/EoZ7CzJf1p6LoQ8nwb1KQOUW1qTKhto88Cg9EtcBZX9kdyBiRBBxRrWI 7aJEaXOAJMc5HwqJLL+0a+L3nvjDYL+A7CU++3rO2OKnOjRBzCDN864sP66Xe8vglMhd LdVoQm6PhHUZ4dsEcJ1L2D/+p6klMrdzoGYVAfnVHNEspDpzNutX3ck7Ar59ndN1XuS6 +hjKNjHaWRCfduZ+cGWZJP9bV5obBDabCmOSsM4YZ1FLzC/iuOgmoV5Fgqs6fhsnDaOm ybhcSLpgRABPeNqarDn2b/pLPALq8EUUOvQHj5J8tMLQncM9sLYIxrsVHxX9mzFtZoxg oHRQ== X-Gm-Message-State: AOAM533FqiXh3M+kNDVledX+3HQH9XQv71VdGjsSwEnLbghgSCv8464V khY9gHGiSiZOayqVILGlq1gr+kJo+j0= X-Google-Smtp-Source: ABdhPJzxCvHM1I7LqhcNanhrQZI6z4CClwZqgmMIMSm/Hg8qiFB9Gdh0gSTe4+hoZrA1IWvHM7Pvsw== X-Received: by 2002:a05:6402:2790:b0:427:d09b:df82 with SMTP id b16-20020a056402279000b00427d09bdf82mr28621102ede.151.1652270397282; Wed, 11 May 2022 04:59:57 -0700 (PDT) Received: from linuxdev2.toradex.int (31-10-206-125.static.upc.ch. [31.10.206.125]) by smtp.gmail.com with ESMTPSA id g6-20020a50d0c6000000b0042617ba63aasm1089279edf.52.2022.05.11.04.59.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 May 2022 04:59:56 -0700 (PDT) From: Max Krummenacher To: max.krummenacher@toradex.com Cc: Fabio Estevam , Krzysztof Kozlowski , NXP Linux Team , Pengutronix Kernel Team , Rob Herring , Sascha Hauer , Shawn Guo , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 3/4] ARM: dts: imx6qdl-colibri: backlight pwm: Simplify inverted backlight Date: Wed, 11 May 2022 13:59:09 +0200 Message-Id: <20220511115911.54960-4-max.oss.09@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20220511115911.54960-1-max.oss.09@gmail.com> References: <20220511115911.54960-1-max.oss.09@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Max Krummenacher Set #pwm-cells to the default 3 to gain access to the parameter which allows inverting the PWM signal. This is useful to specify a backlight which has its highest brightness at 0. Signed-off-by: Max Krummenacher --- Changes in v2: - Split to two patches as proposed by Fabio Estevam arch/arm/boot/dts/imx6qdl-colibri.dtsi | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm/boot/dts/imx6qdl-colibri.dtsi b/arch/arm/boot/dts/imx6qdl-colibri.dtsi index f0908b530f86..d91fae92c90a 100644 --- a/arch/arm/boot/dts/imx6qdl-colibri.dtsi +++ b/arch/arm/boot/dts/imx6qdl-colibri.dtsi @@ -6,6 +6,7 @@ */ #include +#include / { model = "Toradex Colibri iMX6DL/S Module"; @@ -13,13 +14,13 @@ backlight: backlight { compatible = "pwm-backlight"; - brightness-levels = <0 127 191 223 239 247 251 255>; - default-brightness-level = <1>; + brightness-levels = <0 4 8 16 32 64 128 255>; + default-brightness-level = <6>; enable-gpios = <&gpio3 26 GPIO_ACTIVE_HIGH>; /* Colibri BL_ON */ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_gpio_bl_on>; power-supply = <®_module_3v3>; - pwms = <&pwm3 0 5000000>; + pwms = <&pwm3 0 5000000 PWM_POLARITY_INVERTED>; status = "disabled"; }; @@ -620,7 +621,6 @@ /* Colibri PWM */ &pwm3 { - #pwm-cells = <2>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pwm3>; status = "disabled"; -- 2.20.1