arm64: dts: ti: k3-am62p5-sk: Enable PWM

PWM signals can be routed to the user expansion header on am62p5
SK. Enable eCAP0, eCAP1, eHRPWM0, eHRPWM1 and route the output PWM
signals to pins on J4 header.

Signed-off-by: Judith Mendez <jm@ti.com>
Reviewed-by: Bryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20250422000851.4118545-2-jm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
index d29f524600af017af607e2cb6122d3a581575ffc..c2f55cc5a8ebc020191b334e051ff47e7f61bf37 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
@@ -356,6 +356,32 @@
                        AM62PX_IOPAD(0x0124, PIN_INPUT, 7) /* (J25) MMC2_SDCD.GPIO0_71 */
                >;
        };
+
+       main_ecap1_pins_default: main-ecap1-default-pins {
+               pinctrl-single,pins = <
+                       AM62PX_IOPAD(0x019c, PIN_OUTPUT, 2) /* (E24) MCASP0_AXR1.ECAP1_IN_APWM_OUT */
+               >;
+       };
+
+       main_ecap2_pins_default: main-ecap2-default-pins {
+               pinctrl-single,pins = <
+                       AM62PX_IOPAD(0x01a4, PIN_OUTPUT, 2) /* (F24) MCASP0_ACLKX.ECAP2_IN_APWM_OUT */
+               >;
+       };
+
+       main_epwm0_pins_default: main-epwm0-default-pins {
+               pinctrl-single,pins = <
+                       AM62PX_IOPAD(0x01b4, PIN_OUTPUT, 2) /* (D20) SPI0_CS0.EHRPWM0_A */
+                       AM62PX_IOPAD(0x01b8, PIN_OUTPUT, 2) /* (E20) SPI0_CS1.EHRPWM0_B */
+               >;
+       };
+
+       main_epwm1_pins_default: main-epwm1-default-pins {
+               pinctrl-single,pins = <
+                       AM62PX_IOPAD(0x01bc, PIN_OUTPUT, 2) /* (B21) SPI0_CLK.EHRPWM1_A */
+                       AM62PX_IOPAD(0x01c0, PIN_OUTPUT, 2) /* (B20) SPI0_D0.EHRPWM1_B */
+               >;
+       };
 };
 
 &main_i2c0 {
@@ -683,3 +709,31 @@
 &mcu_gpio_intr {
        status = "reserved";
 };
+
+&ecap1 {
+       /* P36 of J4 */
+       pinctrl-names = "default";
+       pinctrl-0 = <&main_ecap1_pins_default>;
+       status = "okay";
+};
+
+&ecap2 {
+       /* P11 of J4 */
+       pinctrl-names = "default";
+       pinctrl-0 = <&main_ecap2_pins_default>;
+       status = "okay";
+};
+
+&epwm0 {
+       /* P24/P26 of J4 */
+       pinctrl-names = "default";
+       pinctrl-0 = <&main_epwm0_pins_default>;
+       status = "okay";
+};
+
+&epwm1 {
+       /* P23/P19 of J4 */
+       pinctrl-names = "default";
+       pinctrl-0 = <&main_epwm1_pins_default>;
+       status = "okay";
+};