[PATCH v2 10/22] arm64: dts: ti: k3-am62a7-sk: Enable PWM

[Markus Schneider-Pargmann]

From: Judith Mendez <jm at ti.com>

PWM signals can be routed to the user expansion header on am62a7
SK. Enable eCAP0, eCAP1, eHRPWM1, and route the output PWM signals
to pins on J3 header.

Signed-off-by: Judith Mendez <jm at ti.com>
Reviewed-by: Bryan Brattlof <bb at ti.com>
Link: https://lore.kernel.org/r/20250422000851.4118545-3-jm@ti.com
Signed-off-by: Nishanth Menon <nm at ti.com>

[ upstream commit: 5aec1169b53969d07cc288814f7eebd2ef01f9a0 ]

(cherry picked from commit 16c71470bff15f5ea677edebe3cba8a2504dc5e0)
---
 dts/upstream/src/arm64/ti/k3-am62a7-sk.dts | 40 ++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/dts/upstream/src/arm64/ti/k3-am62a7-sk.dts b/dts/upstream/src/arm64/ti/k3-am62a7-sk.dts
index 1c9d95696c839a51b607839abb9429a8de6fa620..a9557ee73b8311087db9ce9cd9596efb8bb8975d 100644
--- a/dts/upstream/src/arm64/ti/k3-am62a7-sk.dts
+++ b/dts/upstream/src/arm64/ti/k3-am62a7-sk.dts
@@ -383,6 +383,25 @@
 			AM62AX_IOPAD(0x07c, PIN_OUTPUT, 7) /* (M19) GPMC0_CLK.GPIO0_31 */
 		>;
 	};
+
+	main_ecap0_pins_default: main-ecap0-default-pins {
+		pinctrl-single,pins = <
+			AM62AX_IOPAD(0x01b8, PIN_OUTPUT, 3) /* (C16) SPI0_CS1.ECAP0_IN_APWM_OUT */
+		>;
+	};
+
+	main_ecap2_pins_default: main-ecap2-default-pins {
+		pinctrl-single,pins = <
+			AM62AX_IOPAD(0x01a4, PIN_OUTPUT, 2) /* (A19) MCASP0_ACLKX.ECAP2_IN_APWM_OUT */
+		>;
+	};
+
+	main_epwm1_pins_default: main-epwm1-default-pins {
+		pinctrl-single,pins = <
+			AM62AX_IOPAD(0x019c, PIN_OUTPUT, 6) /* (B18) MCASP0_AXR1.EHRPWM1_A */
+			AM62AX_IOPAD(0x01a0, PIN_OUTPUT, 6) /* (B20) MCASP0_AXR0.EHRPWM1_B */
+		>;
+	};
 };
 
 &mcu_pmx0 {
@@ -741,3 +760,24 @@
 		};
 	};
 };
+
+&ecap0 {
+	/* P26 of J3 */
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_ecap0_pins_default>;
+	status = "okay";
+};
+
+&ecap2 {
+	/* P11 of J3 */
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_ecap2_pins_default>;
+	status = "okay";
+};
+
+&epwm1 {
+	/* P36/P33 of J3 */
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_epwm1_pins_default>;
+	status = "okay";
+};

-- 
2.49.0