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[188.217.56.61]) by smtp.gmail.com with ESMTPSA id sa13-20020a1709076d0d00b006ce3ef8e1d4sm603793ejc.31.2022.03.16.02.00.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Mar 2022 02:00:33 -0700 (PDT) From: Tommaso Merciai To: Cc: tommaso.merciai@amarulasolutions.com, Stefano Babic , Fabio Estevam , "NXP i.MX U-Boot Team" , Peng Fan , Andrey Zhizhikin , Alice Guo , Ye Li , u-boot@lists.denx.de Subject: [PATCH 8/9] arm: dts: imx8mm_evk: add pwm1/backlight support Date: Wed, 16 Mar 2022 10:00:12 +0100 Message-Id: <20220316090013.8150-9-tommaso.merciai@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220316090013.8150-1-tommaso.merciai@amarulasolutions.com> References: <20220316090013.8150-1-tommaso.merciai@amarulasolutions.com> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean Add pwm1/backlight support nodes for imx8mm_evk board Signed-off-by: Tommaso Merciai --- arch/arm/dts/imx8mm-evk.dtsi | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm/dts/imx8mm-evk.dtsi b/arch/arm/dts/imx8mm-evk.dtsi index 60179e006d..e7a2bd8a64 100644 --- a/arch/arm/dts/imx8mm-evk.dtsi +++ b/arch/arm/dts/imx8mm-evk.dtsi @@ -41,6 +41,15 @@ enable-active-high; }; + backlight: backlight { + status = "disabled"; + 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>; @@ -350,6 +359,12 @@ status = "okay"; }; +&pwm1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_backlight>; + status = "disabled"; +}; + &iomuxc { pinctrl_fec1: fec1grp { fsl,pins = < @@ -491,4 +506,10 @@ MX8MM_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0x166 >; }; + + pinctrl_backlight: backlightgrp { + fsl,pins = < + MX8MM_IOMUXC_GPIO1_IO01_PWM1_OUT 0x06 + >; + }; };