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Date: Fri, 22 Mar 2019 01:48:30 +0000 From: Anson Huang <anson.huang@....com> To: "thierry.reding@...il.com" <thierry.reding@...il.com>, "robh+dt@...nel.org" <robh+dt@...nel.org>, "mark.rutland@....com" <mark.rutland@....com>, "shawnguo@...nel.org" <shawnguo@...nel.org>, "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>, "kernel@...gutronix.de" <kernel@...gutronix.de>, "festevam@...il.com" <festevam@...il.com>, "linux@...linux.org.uk" <linux@...linux.org.uk>, "stefan@...er.ch" <stefan@...er.ch>, "otavio@...ystems.com.br" <otavio@...ystems.com.br>, Leonard Crestez <leonard.crestez@....com>, Robin Gong <yibin.gong@....com>, "jan.tuerk@...rion.com" <jan.tuerk@...rion.com>, "linux-pwm@...r.kernel.org" <linux-pwm@...r.kernel.org>, "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>, "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "u.kleine-koenig@...gutronix.de" <u.kleine-koenig@...gutronix.de> CC: dl-linux-imx <linux-imx@....com> Subject: [PATCH V9 5/5] ARM: dts: imx7ulp-evk: Add backlight support This patch adds i.MX7ULP EVK board MIPI-DSI backlight support. Signed-off-by: Anson Huang <Anson.Huang@....com> --- No changes. --- arch/arm/boot/dts/imx7ulp-evk.dts | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm/boot/dts/imx7ulp-evk.dts b/arch/arm/boot/dts/imx7ulp-evk.dts index a09026a..7c44ffa 100644 --- a/arch/arm/boot/dts/imx7ulp-evk.dts +++ b/arch/arm/boot/dts/imx7ulp-evk.dts @@ -8,6 +8,7 @@ /dts-v1/; #include "imx7ulp.dtsi" +#include <dt-bindings/pwm/pwm.h> / { model = "NXP i.MX7ULP EVK"; @@ -22,6 +23,14 @@ reg = <0x60000000 0x40000000>; }; + backlight { + compatible = "pwm-backlight"; + pwms = <&pwm0 1 50000 0>; + brightness-levels = <0 20 25 30 35 40 100>; + default-brightness-level = <6>; + status = "okay"; + }; + reg_vsd_3v3: regulator-vsd-3v3 { compatible = "regulator-fixed"; regulator-name = "VSD_3V3"; @@ -40,6 +49,12 @@ status = "okay"; }; +&pwm0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pwm0>; + status = "okay"; +}; + &usdhc0 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc0>; @@ -57,6 +72,12 @@ bias-pull-up; }; + pinctrl_pwm0: pwm0grp { + fsl,pins = < + IMX7ULP_PAD_PTF2__TPM4_CH1 0x2 + >; + }; + pinctrl_usdhc0: usdhc0grp { fsl,pins = < IMX7ULP_PAD_PTD1__SDHC0_CMD 0x43 -- 2.7.4
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