From d864bb528a6725e775d564fd4430762acbb9dd0d Mon Sep 17 00:00:00 2001 From: Judith Mendez Date: Mon, 21 Apr 2025 19:08:51 -0500 Subject: [PATCH] arm64: dts: ti: k3-am625-sk: Enable PWM PWM signals can be routed to the user expansion header on am625 SK and am62 lp sk. Enable eCAP0, eCAP1, eHRPWM1, and route the output PWM signals to pins on J3 header. Signed-off-by: Judith Mendez Reviewed-by: Bryan Brattlof Link: https://lore.kernel.org/r/20250422000851.4118545-4-jm@ti.com Signed-off-by: Nishanth Menon --- .../arm64/boot/dts/ti/k3-am62x-sk-common.dtsi | 40 +++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi index d52cb2a5a589..20d1437f253d 100644 --- a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi @@ -303,6 +303,25 @@ AM62X_IOPAD(0x078, PIN_OUTPUT, 1) /* (U24) GPMC0_AD15.VOUT0_DATA23 */ >; }; + + main_ecap0_pins_default: main-ecap0-default-pins { + pinctrl-single,pins = < + AM62X_IOPAD(0x01b8, PIN_OUTPUT, 3) /* (C13) SPI0_CS1.ECAP0_IN_APWM_OUT */ + >; + }; + + main_ecap2_pins_default: main-ecap2-default-pins { + pinctrl-single,pins = < + AM62X_IOPAD(0x01a4, PIN_OUTPUT, 2) /* (B20) MCASP0_ACLKX.ECAP2_IN_APWM_OUT */ + >; + }; + + main_epwm1_pins_default: main-epwm1-default-pins { + pinctrl-single,pins = < + AM62X_IOPAD(0x019c, PIN_OUTPUT, 6) /* (B18) MCASP0_AXR1.EHRPWM1_A */ + AM62X_IOPAD(0x01a0, PIN_OUTPUT, 6) /* (E18) MCASP0_AXR0.EHRPWM1_B */ + >; + }; }; &mcu_pmx0 { @@ -560,3 +579,24 @@ &mcu_gpio_intr { status = "reserved"; }; + +&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"; +}; -- 2.50.1