boards: arm: mimxrt1040: enabled PWM (0d046666) · Commits · Wenxi XU / zephyr

boards/arm/mimxrt1040_evk/doc/index.rst

+4 −0

Changes for boards/arm/mimxrt1040_evk/doc/index.rst: 4 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		@@ -91,6 +91,8 @@ already supported, which can also be re-used on this mimxrt1040_evk board:
		\| UART \| on-chip \| serial port-polling; \|
		\| \| \| serial port-interrupt \|
		+-----------+------------+-------------------------------------+
		\| PWM \| on-chip \| pwm \|
		+-----------+------------+-------------------------------------+

		The default configuration can be found in the defconfig file:

		@@ -114,6 +116,8 @@ The MIMXRT1040 SoC has five pairs of pinmux/gpio controllers.
		+---------------+-----------------+---------------------------+
		\| GPIO_AD_B0_08 \| GPIO \| User LD1 \|
		+---------------+-----------------+---------------------------+
		\| GPIO_AD_B0_10 \| FLEXPWM1 PWM3A \| PWM Output \|
		+---------------+-----------------+---------------------------+

		System Clock
		============

+10 −0

Changes for boards/arm/mimxrt1040_evk/mimxrt1040_evk-pinctrl.dtsi: 10 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		@@ -9,6 +9,16 @@
		#include <nxp/nxp_imx/rt/mimxrt1042xjm5b-pinctrl.dtsi>

		&pinctrl {
		/* Route PWM1 A3 to J16, pin 6 on arduino header */
		pinmux_flexpwm1_pwm3: pinmux_flexpwm1_pwm3 {
		group0 {
		pinmux = <&iomuxc_gpio_ad_b0_10_flexpwm1_pwma3>;
		drive-strength = "r0-6";
		slew-rate = "fast";
		nxp,speed = "100-mhz";
		};
		};

		pinmux_lpuart1: pinmux_lpuart1 {
		group0 {
		pinmux = <&iomuxc_gpio_ad_b0_13_lpuart1_rx>,

+7 −0

Changes for boards/arm/mimxrt1040_evk/mimxrt1040_evk.dts: 7 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@
		aliases {
		led0 = &green_led;
		sw0 = &user_button;
		pwm-0 = &flexpwm1_pwm3;
		};

		chosen {
		@@ -103,6 +104,12 @@
		pinctrl-names = "default", "sleep";
		};

		&flexpwm1_pwm3 {
		status = "okay";
		pinctrl-0 = <&pinmux_flexpwm1_pwm3>;
		pinctrl-names = "default";
		};

		/* GPT and Systick are enabled. If power management is enabled, the GPT
		* timer will be used instead of systick, as allows the core clock to
		* be gated.

+1 −0