From nobody Sun Jun 14 21:06:22 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 71C8FC433EF for ; Wed, 11 May 2022 12:00:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240810AbiEKMAF (ORCPT ); Wed, 11 May 2022 08:00:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42506 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231992AbiEKL75 (ORCPT ); Wed, 11 May 2022 07:59:57 -0400 Received: from mail-ej1-x62f.google.com (mail-ej1-x62f.google.com [IPv6:2a00:1450:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8019D243107; Wed, 11 May 2022 04:59:56 -0700 (PDT) Received: by mail-ej1-x62f.google.com with SMTP id z2so3582315ejj.3; Wed, 11 May 2022 04:59:56 -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=yo4A+rzP8xcB+ZIATNv2HRdS6sj8NLoNJ5T3COsIXbo=; b=noY28VYHlxHestrmTvCdpJRb5je14zV1r2LuLgZffu6i25K3VOswkAc2luMTL7kyQD W8GKPgw+q8dGY/6cSTP4OBz8OehujBACY/U677sC5myTROOuWYFtquZZV5y1z1Iv7gjL /jIePy4ebZZdRTmGsNBpnVoTnMaeHHvATXhUCX6D2XRsX6NvAduem+BMO4lYgRymxbH2 GFMbb2euS04ZOSwqFXb7gjzJeW3K0cxCgTkpoaTJvpm6wG74iLLuOhxfrs5GhLwVfGT+ MfzCGJtZsdo4YOSEXbzz1mQW45SWs/gsN/GIxHJza5LbMO+XHaFBIAQrgbz+ilem4mTj ziqQ== 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=yo4A+rzP8xcB+ZIATNv2HRdS6sj8NLoNJ5T3COsIXbo=; b=E/FgsI/WcNbBfp6ar2OkaJZ3Vh9mkuQJ3vygZJ6VsfT0RnPhycTusZsDiqkEyB/h5f fhGnQMx+igsjsi2ZyiRmsTzerhzfI+KEeBc5GBNzAAcbmu1tH1bXmepwQI2eIYcRu858 PiTNIO5I+c5CU4VxofXTT4uokxUqbkNiI61jobgeHZlm2mIDUoUlBSDxDk0EisUWZQyt bEgwCjxkQtA9aTrtnQqFPpx8ILeI6vqUhNcvkUEIm/njPyDTYP2L+cm/W9fcJ8U0yL2P V6y1A+kvo5RdOdgsvF9Tf7jAWQS3Wv38ol2YHnWzikjYQgtGKD2Q3YTF1tTzmSVI833I Cmyg== X-Gm-Message-State: AOAM531ETejBCQcDa0a0fOWxDPGS6BDtkhx4EYq/Yc44u5E+CfNvHl6Z hKsJLhvFstPTnz2/lCEb+lM= X-Google-Smtp-Source: ABdhPJx/XM86EArrxboH11zKOVaD+R2oMeqqs/A7FUjEu6ib5U8D1GIwOnZn1OpRvYcKXvwCI8mq3A== X-Received: by 2002:a17:907:1c20:b0:6f4:639e:9400 with SMTP id nc32-20020a1709071c2000b006f4639e9400mr23735888ejc.485.1652270394903; Wed, 11 May 2022 04:59:54 -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.52.2022.05.11.04.59.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 May 2022 04:59:54 -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 1/4] ARM: dts: imx6qdl-colibri: Fix capacitive touch reset polarity Date: Wed, 11 May 2022 13:59:07 +0200 Message-Id: <20220511115911.54960-2-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: 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 --- 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 Sun Jun 14 21:06:22 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 A0093C433EF for ; Wed, 11 May 2022 12:00:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235451AbiEKMAK (ORCPT ); Wed, 11 May 2022 08:00:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42522 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237183AbiEKL77 (ORCPT ); Wed, 11 May 2022 07:59:59 -0400 Received: from mail-ed1-x530.google.com (mail-ed1-x530.google.com [IPv6:2a00:1450:4864:20::530]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 89F922421A6; Wed, 11 May 2022 04:59:57 -0700 (PDT) Received: by mail-ed1-x530.google.com with SMTP id y21so2282236edo.2; Wed, 11 May 2022 04:59:57 -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=yoXugxNmlSlyrYTc39E+9Noe/h1XX+7WUCIyJignh3o=; b=D026iAc3+EoDUnwWKEQ9HoDKjAWHKuRpOUTVxCk4fCFdz81hkNeDa/JP3Az+cIYC3T G0qCh+RbRrbF+aldPqAMEtZa2QEnfnZKlgHhTrDCObLVtJfzy43FJyDDpLp/Hfl/HbWO 5zXS7WP0sgw+gfsYf34Y7Gh22Ye0a+Wb2M+Oyr57ymkqaXLtoacMV2GeWPEuuLB7vhpT VQ1XEYGVAQU4s7FuEiVBNsoXEwDjmDETPDaNuKCP3Wc48PHvZj61sRYgfCuExSDIEw0i T0zFBG/+O2N+Z2yg9xlv6Fr2VkXMz/+JZ2lUuPbkPJ3Y6ckeWVZyHDYrZZ4ObtvP0dFd RJFA== 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=yoXugxNmlSlyrYTc39E+9Noe/h1XX+7WUCIyJignh3o=; b=IErEtsZiDwh8TPLGWBUFd172ejz35PCYQL9kztO88B8Avzo1bX8NZZmInLvsA8sfoK OUGtAieXxpDWI9lqE7V5Id5k/6YB2M7pgV5e0khOFxM4xPyGX5RZQfXJWx5Hse/xOVhM TcSOyvSh1MU/8vMSqtpPG20u+Sv83ALvzezm3+5magYw6wirGspX0KXrJ0X6o/8kTk3o QNJX3S9LSL8ris9g8W6LzXRjBrzXXFu4arEPuNwgg6YBdexUZWiTm7qAD+hntn/IwtMD fxTOS4bcM9FxgZJD8rl6Zh0h7tzu7BqiY1a1C2szd5zmFCQD7fVtCh9UbRxJ2YUE3AIi tyxg== X-Gm-Message-State: AOAM531ICXNvydbGne/h9y4Xu9k573iN/YobzQ+CLws+Ew0zNPWtXNY3 pQq8EsYsU7p685DcZ6Rx7s0cbMsesYk= X-Google-Smtp-Source: ABdhPJzgqkvrEDviEwiklNlmmdCAVDvDspKWtkdWOiB4VrnsT8/Vw/77WrUGaK+ioYO2KLRwBqtHpg== X-Received: by 2002:a05:6402:11cb:b0:427:7e52:eba5 with SMTP id j11-20020a05640211cb00b004277e52eba5mr29164454edw.17.1652270396074; Wed, 11 May 2022 04:59:56 -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.52.2022.05.11.04.59.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 May 2022 04:59:55 -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 2/4] ARM: dts: imx6qdl-colibri: Mux mclk for sgtl5000 with the codec node Date: Wed, 11 May 2022 13:59:08 +0200 Message-Id: <20220511115911.54960-3-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: 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 --- 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 Sun Jun 14 21:06:22 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 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: 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. 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/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 Sun Jun 14 21:06:22 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 506EAC433F5 for ; Wed, 11 May 2022 12:00:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241089AbiEKMAT (ORCPT ); Wed, 11 May 2022 08:00:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42574 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238801AbiEKMAB (ORCPT ); Wed, 11 May 2022 08:00:01 -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 0C35B2438D6; Wed, 11 May 2022 05:00:00 -0700 (PDT) Received: by mail-ed1-x52b.google.com with SMTP id y21so2282375edo.2; Wed, 11 May 2022 04:59:59 -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=3eEpM+FBBTw194C71zX34kjk6ylwP+rd4n2HSuTY7Nw=; b=MRgaBpz/RsKSinth52qx2FJq+/0G6AQQtuh9XafwkipCFyBfMsll+OtwaBTOaK6U0H H7PJT2ZEWiTy3wnYZwGXp3e0+x4liCmtj/l0szWpbInYR6BImbfsFYgybhVyXKkBdVgY EpQDXwSbw1en/6Ne3dtUK0D7uQYvxwA8WPcij/ERPcWO0aW4O0wNdizWLhJ7kly24OJd nAzzKkz1V/2zAsWNiOdObrs0H9fLFcMOyri0f7uIhMFskJ17XAed4uvb5E7mWQE7zs7m AueUActhEfLyPC/GNeMOmbABJd8LYLHE4C3BhZhwVZCKxaAJSFJFMB2Fcv+6dpT/etK5 7RgQ== 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=3eEpM+FBBTw194C71zX34kjk6ylwP+rd4n2HSuTY7Nw=; b=nUKKFllc9EO36okTFKvDiKh6SW0fOLQodGTW//E7BC3Jahg6Xt5edVfozv3VoqJw6R uwC9iWKV6P1Z6pmEt/5F0Ie3aEQ/rQ5KdHhXZtU+q/OXwcsNFTNAFsWk1txOJIW45OI5 k6Awd17GSZ4BAIdZjA0qfZNwaHFk3hOUCLFYBYbxWeDb01IXzCU0jdqFSSMxLMgneZdL saKZVSKLX+7avZ1PJjoBZRCED3eH30uRjPaQ/xcTn0vrCkfrIiv8d+AIbk6yV8xVTobS kc96IxDHBfa0Vojx86X2rTrpDMJE4DO9ccMqEzhbNCZEIdht1bWT7j1JgpfOMjPPdUso aYsA== X-Gm-Message-State: AOAM532RVdfaVfqUmpKZz4G4hHcHe/tIJPPBsr/fXWeaSQhFU3hLTJtD nDNx9uKWxkpcATJcR47SulUI3CVIxzo= X-Google-Smtp-Source: ABdhPJzG5hQF6/6whSh+Q6bYm+jLDCxI1y2bcjo9ORc2L/YKy513EqsfKP2t6gWyBKGIfmwPWt5kLg== X-Received: by 2002:a05:6402:424c:b0:427:eae2:ed09 with SMTP id g12-20020a056402424c00b00427eae2ed09mr28523662edb.376.1652270398431; Wed, 11 May 2022 04:59:58 -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.52.2022.05.11.04.59.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 May 2022 04:59:57 -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 4/4] ARM: dts: imx6qdl-colibri: backlight pwm: Adapt brightness steps Date: Wed, 11 May 2022 13:59:10 +0200 Message-Id: <20220511115911.54960-5-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: 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. Signed-off-by: Max Krummenacher Reviewed-by: Fabio Estevam --- 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