From 5aec1169b53969d07cc288814f7eebd2ef01f9a0 Mon Sep 17 00:00:00 2001 From: Judith Mendez Date: Mon, 21 Apr 2025 19:08:50 -0500 Subject: [PATCH] arm64: dts: ti: k3-am62a7-sk: Enable PWM 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 Reviewed-by: Bryan Brattlof Link: https://lore.kernel.org/r/20250422000851.4118545-3-jm@ti.com Signed-off-by: Nishanth Menon --- arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 40 +++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts index 1c9d95696c83..a9557ee73b83 100644 --- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts +++ b/arch/arm64/boot/dts/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"; +}; -- 2.50.1