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arm64: dts: ti: k3-am64x-sk: Enable eQEP

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There are 3 instances of eQEP on AM64x. Only EQEP0 signals
can be routed to the user expansion so enable only EQEP0
in k3-am642-sk.dts.

Signed-off-by: Judith Mendez <jm@ti.com>
Link: https://lore.kernel.org/r/20240924220700.886313-6-jm@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Judith Mendez 2024-09-24 17:07:00 -05:00 committed by Vignesh Raghavendra
parent 78b918b58e
commit 25da98eb39
1 changed files with 17 additions and 0 deletions
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17
arch/arm64/boot/dts/ti/k3-am642-sk.dts
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@ -369,6 +369,16 @@ main_ecap0_pins_default: main-ecap0-default-pins {
AM64X_IOPAD(0x0270, PIN_INPUT, 0) /* (D18) ECAP0_IN_APWM_OUT */
>;
};
main_eqep0_pins_default: main-eqep0-default-pins {
pinctrl-single,pins = <
AM64X_IOPAD(0x00a0, PIN_INPUT, 3) /* (N16) GPMC0_WPn.EQEP0_A */
AM64X_IOPAD(0x00a4, PIN_INPUT, 3) /* (N17) GPMC0_DIR.EQEP0_B */
AM64X_IOPAD(0x00ac, PIN_INPUT, 3) /* (R20) GPMC0_CSn1.EQEP0_I */
AM64X_IOPAD(0x00a8, PIN_INPUT, 3) /* (R19) GPMC0_CSn0.EQEP0_S */
>;
};
main_wlan_en_pins_default: main-wlan-en-default-pins {
pinctrl-single,pins = <
AM64X_IOPAD(0x00c4, PIN_OUTPUT_PULLUP, 7) /* (V8) GPIO0_48 */
@ -706,3 +716,10 @@ &ecap0 {
pinctrl-names = "default";
pinctrl-0 = <&main_ecap0_pins_default>;
};
&eqep0 {
status = "okay";
/* EQEP0 A & B available on pins 18 & 22 of J4 header */
pinctrl-names = "default";
pinctrl-0 = <&main_eqep0_pins_default>;
};