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ARM: dts: am335x-boneblue: Enable eQEP

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

Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
David Lechner 2020-10-12 16:12:28 -05:00 • committed by Tony Lindgren
parent 02564e1ad7
commit 672081b5dd
1 changed files with 54 additions and 0 deletions
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54
arch/arm/boot/dts/am335x-boneblue.dts
View file

@ -241,6 +241,30 @@
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 @@
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";
};