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boards: mr_canhubk3: enable NXP S32 EMIOS PWM

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In this board, there are eight PWM channels from
EMIOS 0 CH0 --> EMIOS 0 CH7 that can be used to
generate PWM pulse to outside of the board.

Moreover, there are three RGB leds that can use
PWM pins for blinking, faded leds

Signed-off-by: Dat Nguyen Duy <dat.nguyenduy@nxp.com>
This commit is contained in:
Dat Nguyen Duy 2023-06-26 12:55:23 +07:00 • committed by Carles Cufí
commit b92ad4b56a
6 changed files with 203 additions and 1 deletions
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1
boards/arm/mr_canhubk3/doc/index.rst
View file

@ -56,6 +56,7 @@ ADC SAR on-chip adc
LPSPI on-chip spi
WDT FS26 SBC watchdog
EMAC on-chip ethernet
eMIOS on-chip pwm
============ ========== ================================
The default configuration can be found in the Kconfig file

18
boards/arm/mr_canhubk3/mr_canhubk3-pinctrl.dtsi
View file

@ -267,6 +267,24 @@
pinmux = <PTB5_EMAC_MII_RMII_TXD0>,
<PTB4_EMAC_MII_RMII_TXD1>,
<PTE9_EMAC_MII_RMII_TX_EN>;
};
};
emios0_default: emios0_default {
group1 {
pinmux = <PTB12_EMIOS_0_CH0_X_O>, <PTB13_EMIOS_0_CH1_G_O>,
<PTB14_EMIOS_0_CH2_G_O>, <PTB15_EMIOS_0_CH3_G_O>,
<PTB16_EMIOS_0_CH4_G_O>, <PTB17_EMIOS_0_CH5_G_O>,
<PTA17_EMIOS_0_CH6_G_O>, <PTE7_EMIOS_0_CH7_G_O>,
<PTE14_EMIOS_0_CH19_Y_O>;
output-enable;
};
};
emios1_default: emios1_default {
group1 {
pinmux = <PTA27_EMIOS_1_CH10_H_O>,
<PTE12_EMIOS_1_CH5_H_O>;
output-enable;
};
};

176
boards/arm/mr_canhubk3/mr_canhubk3.dts
View file

@ -9,6 +9,7 @@
#include <dt-bindings/gpio/gpio.h>
#include <zephyr/dt-bindings/input/input-event-codes.h>
#include <freq.h>
#include <dt-bindings/pwm/pwm.h>
#include "mr_canhubk3-pinctrl.dtsi"
/ {
@ -34,6 +35,12 @@
sw0 = &user_button_1;
sw1 = &user_button_2;
watchdog0 = &fs26_wdt;
/* For pwm test suites */
pwm-0 = &emios0_pwm;
red-pwm-led = &user_led1_red_pwm;
green-pwm-led = &user_led1_green_pwm;
blue-pwm-led = &user_led1_blue_pwm;
pwm-led0 = &user_led1_blue_pwm;
};
leds {
@ -52,6 +59,23 @@
};
};
/* gpio-leds and pwm-leds are the same RGB LED and cannot be used at the same time. */
pwmleds {
compatible = "pwm-leds";
user_led1_blue_pwm: user_led1_blue {
pwms = <&emios1_pwm 5 PWM_MSEC(20)>;
};
user_led1_green_pwm: user_led1_green {
pwms = <&emios1_pwm 10 PWM_MSEC(20)>;
};
user_led1_red_pwm: user_led1_red {
pwms = <&emios0_pwm 19 PWM_MSEC(20)>;
};
};
gpio_keys {
compatible = "gpio-keys";
user_button_1: button_0 {
@ -378,3 +402,155 @@
full-duplex;
};
};
&emios0 {
clock-divider = <200>;
status = "okay";
master_bus {
/*
* Timebase for PWM led, setting clock 50KHz for internal counter,
* default period is 1000 cycles <-> 20ms.
*/
emios0_bus_a {
mode = "MCB_UP_COUNTER";
prescaler = <16>;
period = <1000>;
status = "okay";
};
};
emios0_pwm: pwm {
pinctrl-0 = <&emios0_default>;
pinctrl-names = "default";
status = "okay";
/* Default clock for internal counter for PWM channel 0-7 is 100Khz */
pwm_0 {
channel = <0>;
pwm-mode = "MODE_OPWFMB";
period = <65535>;
duty-cycle = <0>;
prescaler = <8>;
polarity = "ACTIVE_HIGH";
};
pwm_1 {
channel = <1>;
pwm-mode = "MODE_OPWFMB";
period = <65535>;
duty-cycle = <0>;
prescaler = <8>;
polarity = "ACTIVE_HIGH";
};
pwm_2 {
channel = <2>;
pwm-mode = "MODE_OPWFMB";
period = <65535>;
duty-cycle = <0>;
prescaler = <8>;
polarity = "ACTIVE_HIGH";
};
pwm_3 {
channel = <3>;
pwm-mode = "MODE_OPWFMB";
period = <65535>;
duty-cycle = <0>;
prescaler = <8>;
polarity = "ACTIVE_HIGH";
};
pwm_4 {
channel = <4>;
pwm-mode = "MODE_OPWFMB";
period = <65535>;
duty-cycle = <0>;
prescaler = <8>;
polarity = "ACTIVE_HIGH";
};
pwm_5 {
channel = <5>;
pwm-mode = "MODE_OPWFMB";
period = <65535>;
duty-cycle = <0>;
prescaler = <8>;
polarity = "ACTIVE_HIGH";
};
pwm_6 {
channel = <6>;
pwm-mode = "MODE_OPWFMB";
period = <65535>;
duty-cycle = <0>;
prescaler = <8>;
polarity = "ACTIVE_HIGH";
};
pwm_7 {
channel = <7>;
pwm-mode = "MODE_OPWFMB";
period = <65535>;
duty-cycle = <0>;
prescaler = <8>;
polarity = "ACTIVE_HIGH";
};
rgb_red {
channel = <19>;
master-bus = <&emios0_bus_a>;
duty-cycle = <0>;
pwm-mode = "MODE_OPWMB";
polarity = "ACTIVE_LOW";
};
};
};
&emios1 {
clock-divider = <200>;
status = "okay";
master_bus {
/*
* Timebase for PWM led, setting clock 50KHz for internal counter,
* default period is 1000 cycles <-> 20ms.
*/
emios1_bus_a {
prescaler = <16>;
mode = "MCB_UP_COUNTER";
period = <1000>;
status = "okay";
};
emios1_bus_f {
prescaler = <16>;
mode = "MCB_UP_COUNTER";
period = <1000>;
status = "okay";
};
};
emios1_pwm: pwm {
pinctrl-0 = <&emios1_default>;
pinctrl-names = "default";
status = "okay";
rgb_green {
channel = <10>;
master-bus = <&emios1_bus_a>;
duty-cycle = <0>;
pwm-mode = "MODE_OPWMB";
polarity = "ACTIVE_LOW";
};
rgb_blue {
channel = <5>;
master-bus = <&emios1_bus_f>;
duty-cycle = <0>;
pwm-mode = "MODE_OPWMB";
polarity = "ACTIVE_LOW";
};
};
};

1
boards/arm/mr_canhubk3/mr_canhubk3.yaml
View file

@ -18,3 +18,4 @@ supported:
- spi
- watchdog
- netif:eth
- pwm

6
samples/drivers/led_pwm/boards/mr_canhubk3.conf Normal file
View file

@ -0,0 +1,6 @@
# Copyright 2023 NXP
# SPDX-License-Identifier: Apache-2.0
# Due to gpio-leds and pwm-leds are the same RGB LEDs so should not be used
# at the same time, need to disable this config when using pwm-leds.
CONFIG_LED_GPIO=n

2
west.yml
View file

@ -193,7 +193,7 @@ manifest:
groups:
- hal
- name: hal_nxp
revision: b0274481021b6343740f1970ef167d65ea67d30b
revision: 0ef57e8ee40f02f1dce4b4ad666c55885f941703
path: modules/hal/nxp
groups:
- hal