arm64: dts: ti: k3-am625-beagleplay: Enable MikroBUS PWM

Commit Message

Ayush Singh Sept. 13, 2024, 10:06 a.m. UTC

Add pinmux for PWM functionality of MikroBUS PWM pin and enable the pwm
controller.

Signed-off-by: Ayush Singh <[e-mail]>
---
Add pinmux for MikroBUS port PWM pin. Also enable the pwm controller.

Tested with the sysfs interface [0].

[0]: https://docs.kernel.org/driver-api/pwm.html#using-pwms-with-the-sysfs-interface
---
 arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts | 12 ++++++++++++
 1 file changed, 12 insertions(+)


---
base-commit: 57f962b956f1d116cd64d5c406776c4975de549d
change-id: 20240913-beagleplay-pwm-b859db19318d

Best regards,

Patch

diff --git a/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts b/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts
index 70de288d728e..2dbb8930be3f 100644
--- a/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts
+++ b/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts
@@ -419,6 +419,12 @@  AM62X_IOPAD(0x01a8, PIN_INPUT, 7) /* (D20) MCASP0_AFSX.GPIO1_12 */
 		>;
 	};
 
+	mikrobus_pwm_pins_default: mikrobus-pwm-default-pins {
+		pinctrl-single,pins = <
+			AM62X_IOPAD(0x01a4, PIN_INPUT, 2) /* (B20) MCASP0_ACLKX.ECAP2_IN_APWM_OUT */
+		>;
+	};
+
 	main_uart0_pins_default: main-uart0-default-pins {
 		bootph-all;
 		pinctrl-single,pins = <
@@ -925,3 +931,9 @@  &mcasp1 {
 	       0 0 0 0
 	>;
 };
+
+&ecap2 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&mikrobus_pwm_pins_default>;
+};