Commit 672081b5 authored by David Lechner's avatar David Lechner Committed by Tony Lindgren
Browse files

ARM: dts: am335x-boneblue: Enable eQEP 



This enables the Enhanced Quadrature Encoder Pulse (eQEP) module for
connectors E1, E2 and E3 on BeagleBone Blue.

Signed-off-by: default avatarDavid Lechner <david@lechnology.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 02564e1a

arch/arm/boot/dts/am335x-boneblue.dts

+54 −0
Original line number Diff line number Diff line
@@ -241,6 +241,30 @@ AM33XX_PADCONF(AM335X_PIN_UART0_CTSN, PIN_OUTPUT, MUX_MODE2) /* (E18) uart0_cts 
			AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_OUTPUT, MUX_MODE7)		/* (M16) gmii1_rxd0.gpio2[21] */

		>;

	};



	/* E1 */

	eqep0_pins: pinmux_eqep0_pins {

		pinctrl-single,pins = <

			AM33XX_PADCONF(AM335X_PIN_MCASP0_AXR0, PIN_INPUT, MUX_MODE1)		/* (B12) mcasp0_aclkr.eQEP0A_in */

			AM33XX_PADCONF(AM335X_PIN_MCASP0_FSR, PIN_INPUT, MUX_MODE1)		/* (C13) mcasp0_fsr.eQEP0B_in */

		>;

	};



	/* E2 */

	eqep1_pins: pinmux_eqep1_pins {

		pinctrl-single,pins = <

			AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_INPUT, MUX_MODE2)		/* (V2) lcd_data12.eQEP1A_in */

			AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_INPUT, MUX_MODE2)		/* (V3) lcd_data13.eQEP1B_in */

		>;

	};



	/* E3 */

	eqep2_pins: pinmux_eqep2_pins {

		pinctrl-single,pins = <

			AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_INPUT, MUX_MODE4)		/* (T12) gpmc_ad12.eQEP2A_in */

			AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_INPUT, MUX_MODE4)		/* (R12) gpmc_ad13.eQEP2B_in */

		>;

	};

};



&uart0 {
@@ -419,3 +443,33 @@ ls_buf_en { 
		line-name = "LS_BUF_EN";

	};

};



&epwmss0 {

	status = "okay";

};



&eqep0 {

	pinctrl-names = "default";

	pinctrl-0 = <&eqep0_pins>;

	status = "okay";

};



&epwmss1 {

	status = "okay";

};



&eqep1 {

	pinctrl-names = "default";

	pinctrl-0 = <&eqep1_pins>;

	status = "okay";

};



&epwmss2 {

	status = "okay";

};



&eqep2 {

	pinctrl-names = "default";

	pinctrl-0 = <&eqep2_pins>;

	status = "okay";

};