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 A731DC433F5 for ; Wed, 13 Apr 2022 12:56:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233361AbiDMM7D (ORCPT ); Wed, 13 Apr 2022 08:59:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59306 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233299AbiDMM7D (ORCPT ); Wed, 13 Apr 2022 08:59:03 -0400 Received: from mail-ej1-x62e.google.com (mail-ej1-x62e.google.com [IPv6:2a00:1450:4864:20::62e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D1EC54FC73 for ; Wed, 13 Apr 2022 05:56:41 -0700 (PDT) Received: by mail-ej1-x62e.google.com with SMTP id p15so3743530ejc.7 for ; Wed, 13 Apr 2022 05:56:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=ahTXWU/PO1db6NpymuEarcVlH8cpP7KwJst30CgSTjE=; b=lz1nR2vbTodMdiEGS+96/0Amdf5k+4IW4UipuGNmmQfNJ5u3I0zPbBHs/qdsKGq1W3 T0mHWSooZWSfPUEOpLVNY8yQN6cQWbhBccY/oc5rf4h4vx8ftY3PXV8KB4dCgoci9AJu PnGDbqNJpYoYqMak/4c08iTcRmmRY4xIYlmJk= 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:mime-version :content-transfer-encoding; bh=ahTXWU/PO1db6NpymuEarcVlH8cpP7KwJst30CgSTjE=; b=chNhYVmb7kuF0GC1G+A3MLFxR9+3MA402SF90aS3uHOc6Vo+RzY6XqxGEQdVN1/QSe T0yMgzDADN0GnRoDSTSFCWXak6e/u+xp6yBfp9IDfPXJFNOn0MXG5AF2FL+bf6SQw2o3 CPI3qGx5iDDr6DKHtK8XRY4/+3/e6h4iv3KdfjWvnHzKRwW7h/DcMYvb/ZMmbCSrwehq f7mjOfP3YgpAc5ruywt7A8h8Im5Re/3IT3+sRIfCBl4ruNr23MLAd6sWN7vq3Y2NZ98f COERruSYGUnVAIUp9kseygg8j+nWVR/TvqEYaWZvC5udM030RIjwn/65Rqx19ySpwm8U AEAQ== X-Gm-Message-State: AOAM5316QADy4x4iCDIbKqYA/v+7RXW8eREXI5E31MZkrf/GtPraQTp4 VhDdwJTHUmjH4b8IcN10TGr8IA== X-Google-Smtp-Source: ABdhPJw2mU0s1CVx/DWijTgytaKl9ZPqK2UNfp6KnR/HuEl7VMgYwmGqFL9mheLYSqTLxJ6NgdatWQ== X-Received: by 2002:a17:907:72c3:b0:6e8:b602:9793 with SMTP id du3-20020a17090772c300b006e8b6029793mr6276288ejc.704.1649854600433; Wed, 13 Apr 2022 05:56:40 -0700 (PDT) Received: from tom-ThinkPad-T14s-Gen-2i.homenet.telecomitalia.it (host-95-245-147-71.retail.telecomitalia.it. [95.245.147.71]) by smtp.gmail.com with ESMTPSA id f12-20020a1709067f8c00b006e88b1556f4sm3941781ejr.212.2022.04.13.05.56.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Apr 2022 05:56:39 -0700 (PDT) From: Tommaso Merciai Cc: tommaso.merciai@amarulasolutions.com, linux-amarula@amarulasolutions.com, Rob Herring , Krzysztof Kozlowski , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Joakim Zhang , Li Jun , Tim Harvey , Richard Zhu , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] arm64: dts: imx8mm-evk: add pwm1/backlight support Date: Wed, 13 Apr 2022 14:56:35 +0200 Message-Id: <20220413125636.28650-1-tommaso.merciai@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add pwm1/backlight support nodes for imx8mm_evk board. Align with u-boot dts References: - https://patchwork.ozlabs.org/project/uboot/patch/20220326111911.13720-9-tommaso.merciai@amarulasolutions.com/ Signed-off-by: Tommaso Merciai --- Changes since v1: - Fix commit body - Enable pwm, backlight arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi index 6d67df7692f1..4c18f8fcd377 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi @@ -59,6 +59,15 @@ reg_usdhc2_vmmc: regulator-usdhc2 { enable-active-high; }; + backlight: backlight { + status = "okay"; + compatible = "pwm-backlight"; + pwms = <&pwm1 0 5000000>; + brightness-levels = <0 255>; + num-interpolated-steps = <255>; + default-brightness-level = <250>; + }; + ir-receiver { compatible = "gpio-ir-receiver"; gpios = <&gpio1 13 GPIO_ACTIVE_LOW>; @@ -395,6 +404,12 @@ &wdog1 { status = "okay"; }; +&pwm1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_backlight>; + status = "okay"; +}; + &iomuxc { pinctrl_fec1: fec1grp { fsl,pins = < @@ -549,4 +564,10 @@ pinctrl_wdog: wdoggrp { MX8MM_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0x166 >; }; + + pinctrl_backlight: backlightgrp { + fsl,pins = < + MX8MM_IOMUXC_GPIO1_IO01_PWM1_OUT 0x06 + >; + }; }; -- 2.25.1