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Commit 730d7dcf authored by Adam Ford's avatar Adam Ford Committed by Tony Lindgren
Browse files

ARM: dts: omap3logic: Add PWM-Backlight 



The backlight pin is shared with Timer 10 PWM.  This patch allows the
pwm_bl driver to enable the pwm run by this timer to dim the backlight.

Signed-off-by: default avatarAdam Ford <aford173@gmail.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 05cf1e03

arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts

+20 −6
Original line number Diff line number Diff line
@@ -71,6 +71,15 @@ 
			linux,default-trigger = "none";

		};

	};



	pwm10: dmtimer-pwm@10 {

		compatible = "ti,omap-dmtimer-pwm";

		pinctrl-names = "default";

		pinctrl-0 = <&pwm_pins>;

		ti,timers = <&timer10>;

		#pwm-cells = <3>;

	};



};



&vaux1 {
@@ -168,13 +177,13 @@ 
	};



	bl: backlight {

		compatible = "gpio-backlight";

		compatible = "pwm-backlight";

		pinctrl-names = "default";

		pinctrl-0 = <&backlight_pins>;



		gpios = <&gpio5 26 GPIO_ACTIVE_HIGH>, /* gpio_154 */

			<&gpio2 24 GPIO_ACTIVE_HIGH>; /* gpio_56 */

		default-on;

		pwms = <&pwm10 0 5000000 0>;

		brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;

		default-brightness-level = <7>;

		enable-gpios = <&gpio5 26 GPIO_ACTIVE_HIGH>; /* gpio_154 */

	};

};
@@ -196,6 +205,12 @@ 
		>;

	};



	pwm_pins: pinmux_pwm_pins {

		pinctrl-single,pins = <

			OMAP3_CORE1_IOPAD(0x20B8, PIN_OUTPUT | PIN_OFF_OUTPUT_LOW | MUX_MODE3)       /* gpmc_ncs5.gpt_10_pwm_evt */

		>;

	};



	led_pins: pinmux_led_pins {

		pinctrl-single,pins = <

			OMAP3_CORE1_IOPAD(0x21d8, PIN_OUTPUT | MUX_MODE4)	/* gpio_179 */
@@ -222,7 +237,6 @@ 


	backlight_pins: pinmux_backlight_pins {

		pinctrl-single,pins = <

			OMAP3_CORE1_IOPAD(0x20B8, PIN_OUTPUT | PIN_OFF_OUTPUT_LOW | MUX_MODE4)       /* gpmc_ncs5.gpio_56 */

			OMAP3_CORE1_IOPAD(0x2188, PIN_OUTPUT | PIN_OFF_OUTPUT_LOW | MUX_MODE4)       /* mcbsp4_dx.gpio_154 */

		>;

	};