boards: arm: ucans32k1sic: enable FlexTimer/PWM support (a38eb9b2) · Commits · Wenxi XU / zephyr

boards/arm/ucans32k1sic/doc/index.rst

+25 −9

Original line number	Diff line number	Diff line
		@@ -49,6 +49,7 @@ GPIO on-chip gpio
		LPUART on-chip serial
		LPI2C on-chip i2c
		LPSPI on-chip spi
		FTM on-chip pwm
		============ ========== ================================

		The default configuration can be found in the Kconfig file
		@@ -67,15 +68,30 @@ children nodes with the desired pinmux configuration to the singleton node
		LEDs
		----

		The UCANS32K1SIC board has one user RGB LED:

		======================= ============== =====
		Devicetree node Label Pin
		======================= ============== =====
		led0 / led1_red LED1_RGB_RED PTD15
		led1 / led1_green LED1_RGB_GREEN PTD16
		led2 / led1_blue LED1_RGB_BLUE PTD0
		======================= ============== =====
		The UCANS32K1SIC board has one user RGB LED that can be used either as a GPIO
		LED or as a PWM LED.

		.. table:: RGB LED as GPIO LED
		:widths: auto

		=============== ================ =============== =====
		Devicetree node Devicetree alias Label Pin
		=============== ================ =============== =====
		led1_red led0 LED1_RGB_RED PTD15
		led1_green led1 LED1_RGB_GREEN PTD16
		led1_blue led2 LED1_RGB_BLUE PTD0
		=============== ================ =============== =====

		.. table:: RGB LED as PWM LED
		:widths: auto

		=============== ======================== ================== ================
		Devicetree node Devicetree alias Label Pin
		=============== ======================== ================== ================
		led1_red_pwm pwm-led0 / red-pwm-led LED1_RGB_RED_PWM PTD15 / FTM0_CH0
		led1_green_pwm pwm-led1 / green-pwm-led LED1_RGB_GREEN_PWM PTD16 / FTM0_CH1
		led1_blue_pwm pwm-led2 / blue-pwm-led LED1_RGB_BLUE_PWM PTD0 / FTM0_CH2
		=============== ======================== ================== ================

		The user can control the LEDs in any way. An output of ``0`` illuminates the LED.

boards/arm/ucans32k1sic/ucans32k1sic-pinctrl.dtsi

+23 −0

Original line number	Diff line number	Diff line
		@@ -37,4 +37,27 @@
		drive-strength = "low";
		};
		};

		ftm0_default: ftm0_default {
		group0 {
		pinmux = <FTM0_CH0_PTD15>,
		<FTM0_CH1_PTD16>,
		<FTM0_CH2_PTD0>;
		drive-strength = "low";
		};
		};

		ftm1_default: ftm1_default {
		group0 {
		pinmux = <FTM1_CH1_PTA1>;
		drive-strength = "low";
		};
		};

		ftm2_default: ftm2_default {
		group0 {
		pinmux = <FTM2_CH1_PTA0>;
		drive-strength = "low";
		};
		};
		};

boards/arm/ucans32k1sic/ucans32k1sic.dts

+50 −0

Original line number	Diff line number	Diff line
		@@ -7,6 +7,7 @@
		/dts-v1/;
		#include <zephyr/dt-bindings/gpio/gpio.h>
		#include <zephyr/dt-bindings/input/input-event-codes.h>
		#include <zephyr/dt-bindings/pwm/pwm.h>
		#include <arm/nxp/nxp_s32k146.dtsi>
		#include "ucans32k1sic-pinctrl.dtsi"

		@@ -26,6 +27,13 @@
		led0 = &led1_red;
		led1 = &led1_green;
		led2 = &led1_blue;
		pwm-led0 = &led1_red_pwm;
		pwm-led1 = &led1_green_pwm;
		pwm-led2 = &led1_blue_pwm;
		red-pwm-led = &led1_red_pwm;
		green-pwm-led = &led1_green_pwm;
		blue-pwm-led = &led1_blue_pwm;
		pwm-0 = &ftm0;
		sw0 = &button_3;
		i2c-0 = &lpi2c0;
		};
		@@ -47,6 +55,23 @@
		};
		};

		pwmleds {
		compatible = "pwm-leds";

		led1_red_pwm: led_pwm_0 {
		pwms = <&ftm0 0 PWM_MSEC(20) PWM_POLARITY_INVERTED>;
		label = "LED1_RGB_RED_PWM";
		};
		led1_green_pwm: led_pwm_1 {
		pwms = <&ftm0 1 PWM_MSEC(20) PWM_POLARITY_INVERTED>;
		label = "LED1_RGB_GREEN_PWM";
		};
		led1_blue_pwm: led_pwm_2 {
		pwms = <&ftm0 2 PWM_MSEC(20) PWM_POLARITY_INVERTED>;
		label = "LED1_RGB_BLUE_PWM";
		};
		};

		gpio_keys {
		compatible = "gpio-keys";

		@@ -104,3 +129,28 @@
		pinctrl-names = "default";
		status = "okay";
		};

		&ftm0 {
		compatible = "nxp,kinetis-ftm-pwm";
		pinctrl-0 = <&ftm0_default>;
		pinctrl-names = "default";
		prescaler = <128>;
		#pwm-cells = <3>;
		status = "okay";
		};

		&ftm1 {
		compatible = "nxp,kinetis-ftm-pwm";
		pinctrl-0 = <&ftm1_default>;
		pinctrl-names = "default";
		#pwm-cells = <3>;
		status = "okay";
		};

		&ftm2 {
		compatible = "nxp,kinetis-ftm-pwm";
		pinctrl-0 = <&ftm2_default>;
		pinctrl-names = "default";
		#pwm-cells = <3>;
		status = "okay";
		};

boards/arm/ucans32k1sic/ucans32k1sic.yaml

+1 −0

Original line number	Diff line number	Diff line
		@@ -17,3 +17,4 @@ supported:
		- pinctrl
		- i2c
		- spi
		- pwm

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