Commit 47ccd0f2 authored by Liu Ying's avatar Liu Ying Committed by Shawn Guo
Browse files

arm64: dts: imx93-11x11-evk: Add PWM backlight for "LVDS" connector 



J702 on i.MX93 11x11 EVK base board is a 40-pin connector labelled
"LVDS".  This connector supports PWM backlight with default 12V power
supply and ADP5585 PWM controller.  Add support for the backlight.

Signed-off-by: default avatarLiu Ying <victor.liu@nxp.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 94541321

arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts

+30 −0
Original line number Diff line number Diff line
@@ -62,6 +62,15 @@ vdevbuffer: vdevbuffer@a4020000 { 


	};



	reg_vdd_12v: regulator-vdd-12v {

		compatible = "regulator-fixed";

		regulator-name = "VDD_12V";

		regulator-min-microvolt = <12000000>;

		regulator-max-microvolt = <12000000>;

		gpio = <&pcal6524 14 GPIO_ACTIVE_HIGH>;

		enable-active-high;

	};



	reg_vref_1v8: regulator-adc-vref {

		compatible = "regulator-fixed";

		regulator-name = "vref_1v8";
@@ -81,6 +90,17 @@ reg_usdhc2_vmmc: regulator-usdhc2 { 
		enable-active-high;

	};



	backlight_lvds: backlight-lvds {

		compatible = "pwm-backlight";

		pwms = <&adp5585 0 100000 0>;

		brightness-levels = <0 100>;

		num-interpolated-steps = <100>;

		default-brightness-level = <100>;

		power-supply = <&reg_vdd_12v>;

		enable-gpios = <&adp5585 9 GPIO_ACTIVE_HIGH>;

		status = "disabled";

	};



	bt_sco_codec: bt-sco-codec {

		compatible = "linux,bt-sco";

		#sound-dai-cells = <1>;
@@ -302,6 +322,16 @@ ldo5: LDO5 { 
			};

		};

	};



	adp5585: io-expander@34 {

		compatible = "adi,adp5585-00", "adi,adp5585";

		reg = <0x34>;

		vdd-supply = <&buck4>;

		gpio-controller;

		#gpio-cells = <2>;

		gpio-reserved-ranges = <5 1>;

		#pwm-cells = <3>;

	};

};



&lpi2c3 {