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Commit 2e3a9385 authored by Sourav Poddar's avatar Sourav Poddar Committed by Benoit Cousson
Browse files

ARM: dts: am43x-epos-evm: Add pwm backlight support. 



Add pwm backlight support for am43x epos evm.

Signed-off-by: default avatarSourav Poddar <sourav.poddar@ti.com>
Signed-off-by: default avatarBenoit Cousson <bcousson@baylibre.com>
parent aa842305

arch/arm/boot/dts/am43x-epos-evm.dts

+24 −0
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
#include "am4372.dtsi"

#include <dt-bindings/pinctrl/am43xx.h>

#include <dt-bindings/gpio/gpio.h>

#include <dt-bindings/pwm/pwm.h>



/ {

	model = "TI AM43x EPOS EVM";
@@ -79,6 +80,12 @@ 
				0x18c (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)	/* i2c0_scl.i2c0_scl */

			>;

		};



		ecap0_pins: backlight_pins {

			pinctrl-single,pins = <

				0x164 MUX_MODE0         /* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */

			>;

		};

	};



	matrix_keypad: matrix_keypad@0 {
@@ -113,6 +120,13 @@ 
				0x0203006c	/* DOWN */

				0x03030069>;	/* LEFT */

		};



	backlight {

		compatible = "pwm-backlight";

		pwms = <&ecap0 0 50000 PWM_POLARITY_INVERTED>;

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

		default-brightness-level = <8>;

	};

};



&mmc1 {
@@ -184,3 +198,13 @@ 
&gpio3 {

	status = "okay";

};



&epwmss0 {

	status = "okay";

};



&ecap0 {

		status = "okay";

		pinctrl-names = "default";

		pinctrl-0 = <&ecap0_pins>;

};