From: Judith Mendez Date: Tue, 22 Apr 2025 00:08:51 +0000 (-0500) Subject: arm64: dts: ti: k3-am625-sk: Enable PWM X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=d864bb528a6725e775d564fd4430762acbb9dd0d;p=users%2Fjedix%2Flinux-maple.git 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 --- 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 d52cb2a5a589a..20d1437f253d4 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"; +};