From nobody Fri May 8 01:39:07 2026 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 27501C433F5 for ; Fri, 13 May 2022 10:27:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1379498AbiEMK1c (ORCPT ); Fri, 13 May 2022 06:27:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42430 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230405AbiEMK1G (ORCPT ); Fri, 13 May 2022 06:27:06 -0400 Received: from mail-ed1-x52b.google.com (mail-ed1-x52b.google.com [IPv6:2a00:1450:4864:20::52b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CB4A84F9D6; Fri, 13 May 2022 03:27:05 -0700 (PDT) Received: by mail-ed1-x52b.google.com with SMTP id z19so9414995edx.9; Fri, 13 May 2022 03:27:05 -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=ZIRDh90qLBvm84n6WkVrFxDl6BpgAk2Zm5Bgq5+AFUk=; b=b7csS6dQWyR/B4w7/AfPzowZ32axPRW+xaxYY/sD//r5JAT4tOd5ghfxuid99JBOpp DRUHa+LPXtBkY7CriVzq/1UOe4uBZACFkzvzVrSV71+GrJ76MY2YezvX2tdosxB0kvWZ cuFJtBu75gCjQmA5I9ddoXOTMe6izuGBb583wvwGCclDisEHLWuBie5dWyZFemAbBqb9 SsM9kOJxYuaZZJE1Q5E2qZsN9O+7yiU/OBqbUcret3qen039LXBBOQ5Z+t9n6bEYdUQU R7VX0NUgfkuDzeiqEsX34zAw1hh56277acq8wA9zDBsZHKShJNcbIWqtvOBdDfu+D/ho wZoA== 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=ZIRDh90qLBvm84n6WkVrFxDl6BpgAk2Zm5Bgq5+AFUk=; b=7W8HzXniRFrJMawUu0Mly88lbFyc7xLw1ZPyDpMVFWkRN6qI4e7OcPUMOj4/ph3wwB WQWp9LKb5JScl8VGoXX/o+40SXHzZHAmi8O07obIGk+Za+pXwWKwkK+w5w8gy1DVD+4+ 65oUnxnU7BmY+9E/MwBqcCiUQpswjVYXjKrsfYbXpMMfMaiKZgGL/sQEAJCLWGVwihcG FMu5WO098U/Qp5trMSaQY5CL0birlqeADp1LRqEEA4k9xaxUpKrY01gfMLwfHQPBVU7m Ooy4j3SmBWh5HgN/Bzz3NVlA14wGH5Pw2SQTyBqiQUa5Dj9AP/a4Uu6hAHVtcCbCqOJ8 SM1g== X-Gm-Message-State: AOAM530e4inFtu1keEq0oWyZN1vJhrEe8d7yvPXGfZx0SYY/VZ8TK9ac VwnInHNBBBDspbXvXxQ9lSk= X-Google-Smtp-Source: ABdhPJysbC54HVn2cXqVbW7EoCSUGPzri5soUM98ZiXZrliZVoDcfVEn5+a1rJQnXP14c8VfUy9FWQ== X-Received: by 2002:a05:6402:294e:b0:425:f016:24e7 with SMTP id ed14-20020a056402294e00b00425f01624e7mr39241816edb.111.1652437624212; Fri, 13 May 2022 03:27:04 -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 3-20020a170906100300b006f3ef214e40sm609677ejm.166.2022.05.13.03.27.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 May 2022 03:27:03 -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 v3 1/4] ARM: dts: imx6qdl-colibri: Fix capacitive touch reset polarity Date: Fri, 13 May 2022 12:26:12 +0200 Message-Id: <20220513102616.48040-2-max.oss.09@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20220513102616.48040-1-max.oss.09@gmail.com> References: <20220513102616.48040-1-max.oss.09@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Max Krummenacher The commit feedaacdadfc ("Input: atmel_mxt_ts - fix up inverted RESET handler") requires the reset GPIO to have GPIO_ACTIVE_LOW. Fixes: 1524b27c94a6 ("ARM: dts: imx6dl-colibri: Move common nodes to SoM dt= si") Reviewed-by: Fabio Estevam Signed-off-by: Max Krummenacher --- (no changes since v2) Changes in v2: - Added Fabio's 'Reviewed-by' - Removed blank line in commit text arch/arm/boot/dts/imx6qdl-colibri.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx6qdl-colibri.dtsi b/arch/arm/boot/dts/imx= 6qdl-colibri.dtsi index c383e0e4110c..7df270cea292 100644 --- a/arch/arm/boot/dts/imx6qdl-colibri.dtsi +++ b/arch/arm/boot/dts/imx6qdl-colibri.dtsi @@ -593,7 +593,7 @@ pinctrl-names =3D "default"; pinctrl-0 =3D <&pinctrl_atmel_conn>; reg =3D <0x4a>; - reset-gpios =3D <&gpio1 14 GPIO_ACTIVE_HIGH>; /* SODIMM 106 */ + reset-gpios =3D <&gpio1 14 GPIO_ACTIVE_LOW>; /* SODIMM 106 */ status =3D "disabled"; }; }; --=20 2.20.1 From nobody Fri May 8 01:39:07 2026 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 CB5A3C433EF for ; Fri, 13 May 2022 10:28:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1379540AbiEMK15 (ORCPT ); Fri, 13 May 2022 06:27:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42514 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1378752AbiEMK1I (ORCPT ); Fri, 13 May 2022 06:27:08 -0400 Received: from mail-ed1-x52b.google.com (mail-ed1-x52b.google.com [IPv6:2a00:1450:4864:20::52b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C5E1A50450; Fri, 13 May 2022 03:27:06 -0700 (PDT) Received: by mail-ed1-x52b.google.com with SMTP id p18so9410326edr.7; Fri, 13 May 2022 03:27:06 -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=9YzZvCjzSx23GCo5tj+e9SggYb8gkEkdJyT+dWl4gnY=; b=cJcPiPXqp99o/FwSgHSz3dDHbrNByGdaMRoNV0f8aJpS3zg+2rISd3a6PXxKo+wmwD FK3Xn9oICrrm9NlMU1HQ3GlgN/bSqErJ49SydqShN+6HMZj/BccumgW3jNDdB6CTpB7F Lot8D6L90KW1lHnSguAOtEJkp9JWkgE+Hf/SkuGfQ/VMv923goKITVc8VkGRZf+J5jYM r1Vzt8uXbsG/bQOwbSfAet236bz+eLoHrFTnR35Gd+I7otNICzstr9/A9u5FrqoxC2zb MwNeR2FpF2nEQz7Q162KBSh7/+hyMZe0mYPuyIDQFWrHqlqabh4fHdQQEKFsOqYxihHi BpGw== 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=9YzZvCjzSx23GCo5tj+e9SggYb8gkEkdJyT+dWl4gnY=; b=jfrH8vIJ7CNsWhg0rhXuKi8UD6hLEMDlV5uwDMoAbkrlMF226xzSh/K9NKQ5p5dIxU t16FCfvaRls1ZSpNZ8uxvR5U6Rl88TVIyWYZzcOkdAjernk13SQXUbcHN2dDUJRQ2tZG e4bWAuaaHBvYt1LHY+28mgUzlFNM0COSmqWzQwS4BtyclCklrfStOXFH1l5UMCl5go0r ftaB3r2vLj8r6sbMAGJaQ7L3xs4s1MduO4qrKuiLd1Q7xe/nMIICPDlnNbPQ72P1pLe/ AEjKAXdQj2jMFn6B7uqqF2Ap06fFZJG9Z3gYDNvL0mirfPVmedVy717Wz2hujAYG2tZ6 AL8g== X-Gm-Message-State: AOAM533OMmEBPTT0H+DW+acfC/9coKCUmZJAxAXuMS/bWzH8GTQWSjEH 5OMyYWvf55WcXCMA64H24yY= X-Google-Smtp-Source: ABdhPJw7MD312KW+pbEyX7ADtYmRXzNeWrJMI2J8c7tAQdrK9Sg6kXBQ/efbGcHhj8qAJoQjQPZ6gw== X-Received: by 2002:aa7:d9c8:0:b0:428:364c:df2f with SMTP id v8-20020aa7d9c8000000b00428364cdf2fmr39587358eds.327.1652437625440; Fri, 13 May 2022 03:27:05 -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 3-20020a170906100300b006f3ef214e40sm609677ejm.166.2022.05.13.03.27.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 May 2022 03:27:04 -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 v3 2/4] ARM: dts: imx6qdl-colibri: Mux mclk for sgtl5000 with the codec node Date: Fri, 13 May 2022 12:26:13 +0200 Message-Id: <20220513102616.48040-3-max.oss.09@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20220513102616.48040-1-max.oss.09@gmail.com> References: <20220513102616.48040-1-max.oss.09@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Max Krummenacher Move the pin muxing for MCLK used by the codec to the codec node instead of placing it inside the audmux pinctrl group. While no negative effects have been observed this should make sure that MCLK is provided when the codec driver is probed. Follows commit fa51e1dc4b91 ("ARM: dts: imx6qdl-apalis: Fix sgtl5000 detection issue") Reviewed-by: Fabio Estevam Signed-off-by: Max Krummenacher --- (no changes since v2) Changes in v2: - Added Fabio's 'Reviewed-by' arch/arm/boot/dts/imx6qdl-colibri.dtsi | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/imx6qdl-colibri.dtsi b/arch/arm/boot/dts/imx= 6qdl-colibri.dtsi index 7df270cea292..f0908b530f86 100644 --- a/arch/arm/boot/dts/imx6qdl-colibri.dtsi +++ b/arch/arm/boot/dts/imx6qdl-colibri.dtsi @@ -520,6 +520,8 @@ compatible =3D "fsl,sgtl5000"; clocks =3D <&clks IMX6QDL_CLK_CKO>; lrclk-strength =3D <3>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_sgtl5000>; reg =3D <0x0a>; #sound-dai-cells =3D <0>; VDDA-supply =3D <®_module_3v3_audio>; @@ -739,8 +741,6 @@ =20 pinctrl_audmux: audmuxgrp { fsl,pins =3D < - /* SGTL5000 sys_mclk */ - MX6QDL_PAD_GPIO_0__CCM_CLKO1 0x000b0 MX6QDL_PAD_KEY_COL0__AUD5_TXC 0x130b0 MX6QDL_PAD_KEY_ROW0__AUD5_TXD 0x130b0 MX6QDL_PAD_KEY_COL1__AUD5_TXFS 0x130b0 @@ -991,6 +991,13 @@ >; }; =20 + pinctrl_sgtl5000: sgtl5000grp { + fsl,pins =3D < + /* SGTL5000 sys_mclk */ + MX6QDL_PAD_GPIO_0__CCM_CLKO1 0x000b0 + >; + }; + pinctrl_spdif: spdifgrp { fsl,pins =3D < MX6QDL_PAD_GPIO_17__SPDIF_OUT 0x1b0b0 --=20 2.20.1 From nobody Fri May 8 01:39:07 2026 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 39FE3C433F5 for ; Fri, 13 May 2022 10:27:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1379524AbiEMK1o (ORCPT ); Fri, 13 May 2022 06:27:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42348 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1379209AbiEMK1J (ORCPT ); Fri, 13 May 2022 06:27:09 -0400 Received: from mail-ed1-x534.google.com (mail-ed1-x534.google.com [IPv6:2a00:1450:4864:20::534]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 10D3C50451; Fri, 13 May 2022 03:27:08 -0700 (PDT) Received: by mail-ed1-x534.google.com with SMTP id g23so9359186edy.13; Fri, 13 May 2022 03:27:07 -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=Wjttoh5pJ3Cm9OJ+7lfSQscXOm+8KL2ATcs8KqsT+HA=; b=msYuy6T0lARvYyJaJSawEOZr3dDydhikevW3BwFGVTX5wJ7cpXtdPNtbiRqTbtsGLu 0c6iVa3rEbA0+7p4SulwQ4w7vdifgtpidzsJKqqpc11+zB6GbDtJoxT/1WmQQM0W7uID g17a7NjqvSqJaMxJqN81YsBoiLAOpPibkWMt8EXsjxy5vEDRtxn39Te5jBONTlfaUor5 F8V8IgwwmbvX7rwkOfeyGr0hYUsriTB/7UhB8XxKxlZYbkgbmDjTwD7fGaEviEimyNSa 6RGreK8pnkvJ/hIBS52EuXPIiJjOlkFXuuQ6Cb+DzRpM5vUghLRUSn62bV/cAHz/SPDn NQhg== 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=Wjttoh5pJ3Cm9OJ+7lfSQscXOm+8KL2ATcs8KqsT+HA=; b=pt/7YjG4HE8Xo2SJHBTfufzlasUEGwpqrnK8B/XDQ+f4J/8ZA+HezYSOxRJj5xyb5M ttc9xygCE41TAc5qo8WD5yTdMUZqqQxt4kCYWgJGpSvRi4Sr/t3KMRNvWs7qNcmoe3ML ZyX0E23y9vs84F7pWKMem8jJySzuatu8ctPnR2MaXD9NWnThV1e52wsBAEM9jeuJddn9 Fn7822SV/bzbb/ypvcHQ8k7flhpMrovgbREUHrmzv5jtAhZKjle5dyh0ZN69W6SLVtXt 6Jy9hIzRky4f4YEtM1pkYZ/ME+aSHYNmJ9Ch255/7lRJ0DNJuwZq6thRRURoM4Z8QyQF AkNA== X-Gm-Message-State: AOAM530WFBzAA+i3mI124YdjXZ2eNxVn6eUe4JWBdIHCIJKlybBj7FPC aSExWOnc/6ZnS+Rsbp1Ysnk= X-Google-Smtp-Source: ABdhPJzfZZQ0iwoUhAxi7llnxPNl7jZQUVkZxsiuUFC6Gmb/knxfHIKdKy0GUvUJ6TNiDR9mDxE3ag== X-Received: by 2002:a05:6402:42c4:b0:426:a7a8:348f with SMTP id i4-20020a05640242c400b00426a7a8348fmr39951718edc.341.1652437626688; Fri, 13 May 2022 03:27:06 -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 3-20020a170906100300b006f3ef214e40sm609677ejm.166.2022.05.13.03.27.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 May 2022 03:27:06 -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 v3 3/4] ARM: dts: imx6qdl-colibri: backlight pwm: Simplify inverted backlight Date: Fri, 13 May 2022 12:26:14 +0200 Message-Id: <20220513102616.48040-4-max.oss.09@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20220513102616.48040-1-max.oss.09@gmail.com> References: <20220513102616.48040-1-max.oss.09@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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. With the change to use the PWM with inverted polarity the PWM signal is inverted to how it was before this patch. This changes the meaning of the values in the brightness-levels property. I.e. the duty-cycle changes from x/255 to (255-x)/255. Keeping the brightness-levels will then have a big brightness jump from 0 to 127 duty cycle, the other 6 steps will then be barely noticeable. Change the brightness-levels to provide the same brightness-levels as before. Signed-off-by: Max Krummenacher Reviewed-by: Fabio Estevam --- Changes in v3: - Add the reason why brightness-levels needs a change to commit comment as proposed by Fabio Estevam 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/imx= 6qdl-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 @@ */ =20 #include +#include =20 / { model =3D "Toradex Colibri iMX6DL/S Module"; @@ -13,13 +14,13 @@ =20 backlight: backlight { compatible =3D "pwm-backlight"; - brightness-levels =3D <0 127 191 223 239 247 251 255>; - default-brightness-level =3D <1>; + brightness-levels =3D <0 4 8 16 32 64 128 255>; + default-brightness-level =3D <6>; enable-gpios =3D <&gpio3 26 GPIO_ACTIVE_HIGH>; /* Colibri BL_ON */ pinctrl-names =3D "default"; pinctrl-0 =3D <&pinctrl_gpio_bl_on>; power-supply =3D <®_module_3v3>; - pwms =3D <&pwm3 0 5000000>; + pwms =3D <&pwm3 0 5000000 PWM_POLARITY_INVERTED>; status =3D "disabled"; }; =20 @@ -620,7 +621,6 @@ =20 /* Colibri PWM */ &pwm3 { - #pwm-cells =3D <2>; pinctrl-names =3D "default"; pinctrl-0 =3D <&pinctrl_pwm3>; status =3D "disabled"; --=20 2.20.1 From nobody Fri May 8 01:39:07 2026 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 1474DC433EF for ; Fri, 13 May 2022 10:28:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1379566AbiEMK2E (ORCPT ); Fri, 13 May 2022 06:28:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42676 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1379399AbiEMK1K (ORCPT ); Fri, 13 May 2022 06:27:10 -0400 Received: from mail-ed1-x52f.google.com (mail-ed1-x52f.google.com [IPv6:2a00:1450:4864:20::52f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8824C5045C; Fri, 13 May 2022 03:27:09 -0700 (PDT) Received: by mail-ed1-x52f.google.com with SMTP id a21so9452729edb.1; Fri, 13 May 2022 03:27:09 -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=VsZTr9QjspygKqEP/6Io66r11TQgQqrqyops3JYlbzk=; b=qlA92aLVsqewcDDRuuGo1+NpNYJnqGNxX3oXp4Q2KrkoNsfUgm04VVeXMU8BD3Nznx gn1aIOgb+inPUojjmRwdm7UGbMjCiZEtE9LwlqUy90SWFvnfLhf/KA0VthiJDAnCNMGH oIob9jPv9/Kxzt98OCHPydPsJWxNMBR60eK6kyk3RiIhNW2tEO1OcssDtBLgkOwpV2Lh 5dDiUgBR42Xa9GX5HTJ0QUdIHqoueQjPNjkI9TMFRMfD3MNtcCxubOv/j8xX8od7cBT4 QkPkbyFdcD7xbmBHgSt5P6QerjkWimxTGZ+eG/sv3AOivQ0MdiXVbli2IgCMctWh14x7 B/mw== 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=VsZTr9QjspygKqEP/6Io66r11TQgQqrqyops3JYlbzk=; b=wBRAZICkx5RBtWEEXCFHJ6pyzK6MpcwNZIjSVmuoZst+/j95IYVaaP/yW+GnzBnsjG 2Og98hawNeFefxTxpIQn2+lSjm1u33qRkI3UiUTZurjYez20fUKW2lyYyoas49vTmPeG SvsUohuJniZHk2P4FJOdYeJVHSMHsAVFkS+7t8oypvWxO2YB0sXIYCEfkKw+x/ziytbL 3k9Abi1mqbET61DkK+oJ+MolNnw7KO8TmIzUILvimWb6/otz+BsoEyFYf6n4GOgzeqT9 DyGqC28rYdeqwiddSw6nyXtdjAfhEtHABkAiUafdS1XWD73gzgqhaPetbBMWbMwSphGp EATg== X-Gm-Message-State: AOAM532QzC7QGToGLiHp3a33SdwsMEeb83B8LVe/5KSrk/sRy+xgZp+1 M7ddEwp5t++iittzmQ03/D4= X-Google-Smtp-Source: ABdhPJxvN5lB6DSJD2MYMERwdhdTFcjVUkbw9vp5dslvwhSUVn2GAyGWfh9eNKuuBmE5E7xd/e2GpA== X-Received: by 2002:a05:6402:1399:b0:410:9fa2:60d6 with SMTP id b25-20020a056402139900b004109fa260d6mr39972511edv.35.1652437627797; Fri, 13 May 2022 03:27:07 -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 3-20020a170906100300b006f3ef214e40sm609677ejm.166.2022.05.13.03.27.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 May 2022 03:27:07 -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 v3 4/4] ARM: dts: imx6qdl-colibri: backlight pwm: Adapt brightness steps Date: Fri, 13 May 2022 12:26:15 +0200 Message-Id: <20220513102616.48040-5-max.oss.09@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20220513102616.48040-1-max.oss.09@gmail.com> References: <20220513102616.48040-1-max.oss.09@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Max Krummenacher Adapt the brightness steps as the backlight doesn't light up for very low duty cycles. Reviewed-by: Fabio Estevam Signed-off-by: Max Krummenacher --- (no changes since v2) Changes in v2: - add reviewed-by tags - Split the Backlight PWM patch into two patches, a) #pwm-cells 3, b) adapt= brightness steps - Split to two patches as proposed by Fabio Estevam arch/arm/boot/dts/imx6qdl-colibri.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/imx6qdl-colibri.dtsi b/arch/arm/boot/dts/imx= 6qdl-colibri.dtsi index d91fae92c90a..023e76215064 100644 --- a/arch/arm/boot/dts/imx6qdl-colibri.dtsi +++ b/arch/arm/boot/dts/imx6qdl-colibri.dtsi @@ -14,8 +14,8 @@ =20 backlight: backlight { compatible =3D "pwm-backlight"; - brightness-levels =3D <0 4 8 16 32 64 128 255>; - default-brightness-level =3D <6>; + brightness-levels =3D <0 45 63 88 119 158 203 255>; + default-brightness-level =3D <4>; enable-gpios =3D <&gpio3 26 GPIO_ACTIVE_HIGH>; /* Colibri BL_ON */ pinctrl-names =3D "default"; pinctrl-0 =3D <&pinctrl_gpio_bl_on>; --=20 2.20.1