* [PATCH] arm64: dts: ti: k3-am625-beagleplay: Enable MikroBUS PWM
@ 2024-09-13 10:06 Ayush Singh
0 siblings, 0 replies; only message in thread
From: Ayush Singh @ 2024-09-13 10:06 UTC (permalink / raw)
To: d-gole, lorforlinux, jkridner, robertcnelson, Nishanth Menon,
Vignesh Raghavendra, Tero Kristo, Rob Herring,
Krzysztof Kozlowski, Conor Dooley
Cc: linux-arm-kernel, devicetree, linux-kernel, Ayush Singh
Add pinmux for PWM functionality of MikroBUS PWM pin and enable the pwm
controller.
Signed-off-by: Ayush Singh <ayush@beagleboard.org>
---
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(+)
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>;
+};
---
base-commit: 57f962b956f1d116cd64d5c406776c4975de549d
change-id: 20240913-beagleplay-pwm-b859db19318d
Best regards,
--
Ayush Singh <ayush@beagleboard.org>
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