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[95.245.147.71]) by smtp.gmail.com with ESMTPSA id kk23-20020a170907767700b006e8a6e53a7bsm125399ejc.139.2022.04.13.09.09.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Apr 2022 09:09:03 -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 , Richard Zhu , Tim Harvey , Li Jun , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3] arm64: dts: imx8mm-evk: add pwm1/backlight support Date: Wed, 13 Apr 2022 18:08:59 +0200 Message-Id: <20220413160900.36271-1-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: linux-kernel@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 Changes since v2: - Remove status okay from pwm1,backlight (enable as default) arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi index 6d67df7692f1..c50d2cc3ca71 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi @@ -59,6 +59,14 @@ reg_usdhc2_vmmc: regulator-usdhc2 { enable-active-high; }; + backlight: backlight { + 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 +403,11 @@ &wdog1 { status = "okay"; }; +&pwm1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_backlight>; +}; + &iomuxc { pinctrl_fec1: fec1grp { fsl,pins = < @@ -549,4 +562,10 @@ 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 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0E104C433EF for ; Wed, 13 Apr 2022 16:10:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=CvzxMb4Uj5MhH7Z44T0k17RXM8Jwq0jo/QKVKMJPhQI=; b=jMi7agPwoPSxLC 7JQV2qSWknZU2Md50xz2/egLkxYo/m1qGjmfhvLNNhh76lmr/qaNOMPkqxTNdj+34um0XAAP1NsKd sVOJZ3k2m3RTTHWriMgLODkuRQAVc23t4inMyzcGSfkFTJoUecuCNW9WUbf8pible8Y3ZusGmcXxm 2btljBxkhdFupZLUxjHnslqdiXNYX0g648GjAr9RrIf+G+0ShpTytSFgdHcCYvZw9v8TGX4WvoStz LXVdZQAz5ekvVuqbMaMiiJPzYKnNAbyUvjDq7ReUEl+HWOeeHs5opHvOXaShaW7ypj2QmJP7Poh+n 8CSv+sXFQFox81sAE0Mw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nefYK-001iL4-JD; Wed, 13 Apr 2022 16:09:08 +0000 Received: from mail-ed1-x52d.google.com ([2a00:1450:4864:20::52d]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nefYH-001iKO-Aj for linux-arm-kernel@lists.infradead.org; Wed, 13 Apr 2022 16:09:06 +0000 Received: by mail-ed1-x52d.google.com with SMTP id b24so2958985edu.10 for ; Wed, 13 Apr 2022 09:09:04 -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=UHgRvgx7SYkj5pmKsaI78m5hk2m1gV/Mhyu2PiUCr4E=; b=lBWu77Y5D2mXiuJjDT0MwNKo4A9phca9/l3ON7aH+9P/8o1crWjKtyOgzTb9xU22b9 7aVTH9ZGs6JjySr9UuH8nGq/ISCdGFOLsZ4UR+IKEGEWHTPoPfamJO4M13rX2YBRB2JR VwpNLfXuj30Zt7vEd7WXD6Z25w3WffY1aQ5Og= 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=UHgRvgx7SYkj5pmKsaI78m5hk2m1gV/Mhyu2PiUCr4E=; b=6/PB2hvIxeuJxSVcWWGaxUI7ESr8YoZKec4O2r0lOwVj/gOSqOyGvaXysHATC6wOIp a9FNnYIO0g0X+NydMbqMW8wbOh2LFW2sNxElG6vQzi0HBXFn6XNtdP21XxYbZbp9E2ri Wb+kdJqLWhx6PG45oOa5gqNxFYZDyL9cS71uDaKficTjgwRGpJaxoDrZ6nKg8kfUC00f iPvs/CsGlHiIYL2+F32f5vjEMqh5UhTjqmDLGla2OkGUCZxg8NmR675a1obp2jVIk36f MN/8YUU6b1XlbacP9ktE+nMuizMrHy3UU6FYo4g2K4d7ZT9ANGMaDTtuPyAzrp85MU/P o15g== X-Gm-Message-State: AOAM532qtI+4e7q2rm73gobsPsan0fNpXxsjWDcpdaq5bLSLxnpbRxV0 OaE2Ypnkw+H34n4S8wXqndyVWw== X-Google-Smtp-Source: ABdhPJzL+8K6wO1ADFpY262+dLQBXel1bmtF0/jCpFTKg6WqCNHpdMZbwaMQfOhRyXlG2ARv/+PYBw== X-Received: by 2002:a05:6402:1c1e:b0:416:5b93:eacf with SMTP id ck30-20020a0564021c1e00b004165b93eacfmr44827620edb.302.1649866143905; Wed, 13 Apr 2022 09:09:03 -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 kk23-20020a170907767700b006e8a6e53a7bsm125399ejc.139.2022.04.13.09.09.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Apr 2022 09:09:03 -0700 (PDT) From: Tommaso Merciai To: 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 , Richard Zhu , Tim Harvey , Li Jun , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3] arm64: dts: imx8mm-evk: add pwm1/backlight support Date: Wed, 13 Apr 2022 18:08:59 +0200 Message-Id: <20220413160900.36271-1-tommaso.merciai@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220413_090905_409874_DAE32B8D X-CRM114-Status: GOOD ( 10.53 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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 Changes since v2: - Remove status okay from pwm1,backlight (enable as default) arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi index 6d67df7692f1..c50d2cc3ca71 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi @@ -59,6 +59,14 @@ reg_usdhc2_vmmc: regulator-usdhc2 { enable-active-high; }; + backlight: backlight { + 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 +403,11 @@ &wdog1 { status = "okay"; }; +&pwm1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_backlight>; +}; + &iomuxc { pinctrl_fec1: fec1grp { fsl,pins = < @@ -549,4 +562,10 @@ 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel