From: Judith Mendez Date: Tue, 22 Apr 2025 00:08:50 +0000 (-0500) Subject: arm64: dts: ti: k3-am62a7-sk: Enable PWM X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=5aec1169b53969d07cc288814f7eebd2ef01f9a0;p=users%2Fjedix%2Flinux-maple.git 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 --- diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts index 1c9d95696c839..a9557ee73b831 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"; +};