Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 07f1c49c authored by Ilya Ledvich's avatar Ilya Ledvich Committed by Tony Lindgren
Browse files

ARM: dts: cm-t335: add support for PWM backlight 



Add pinmux configuration for ECAP0 pin.
Add node for PWM backlight device.
Use PWM output from ecap0 as backlight source.

Signed-off-by: default avatarIlya Ledvich <ilya@compulab.co.il>
Signed-off-by: default avatarUri Mashiach <uri.mashiach@compulab.co.il>
Acked-by: default avatarIgor Grinberg <grinberg@compulab.co.il>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 3a8038ee

arch/arm/boot/dts/am335x-cm-t335.dts

+24 −0
Original line number Diff line number Diff line
@@ -39,6 +39,13 @@ 
		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

	};



	backlight {

		compatible = "pwm-backlight";

		pwms = <&ecap0 0 50000 0>;

		brightness-levels = <0 51 53 56 62 75 101 152 255>;

		default-brightness-level = <8>;

	};

};



&am33xx_pinmux {
@@ -114,6 +121,13 @@ 
		>;

	};



	ecap0_pins: pinmux_ecap0_pins {

		pinctrl-single,pins = <

			/* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */

			AM33XX_IOPAD(0x964, 0x0)

		>;

	};



	cpsw_default: cpsw_default {

		pinctrl-single,pins = <

			/* Slave 1 */
@@ -223,6 +237,16 @@ 
	};

};



&epwmss0 {

	status = "okay";



	ecap0: ecap@48300100 {

		status = "okay";

		pinctrl-names = "default";

		pinctrl-0 = <&ecap0_pins>;

	};

};



&gpmc {

	status = "okay";

	pinctrl-names = "default";