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boards: xtensa: add ledc support to the esp32 board

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add ledc to board dtsi file,
change compatible and device define in pwm driver,
add yaml for board ledc support,
fix missing include for board in gpio include

Signed-off-by: Andrei-Edward Popa <andrei_edward.popa@upb.ro>
This commit is contained in:
Andrei-Edward Popa 2021-10-28 16:28:31 +03:00 committed by Christopher Friedt
parent 1ca60ab35f
commit 5413661a81
4 changed files with 39 additions and 8 deletions
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19
drivers/pwm/pwm_led_esp32.c
View file

@ -4,7 +4,7 @@
* SPDX-License-Identifier: Apache-2.0
*/
#define DT_DRV_COMPAT espressif_esp32_gpio
#define DT_DRV_COMPAT espressif_esp32_ledc
/* Include esp-idf headers first to avoid redefining BIT() macro */
#include <esp_intr_alloc.h>
@ -142,7 +142,6 @@ static void pwm_led_esp32_duty_config(int speed_mode,
volatile uint32_t hpoint_addr;
volatile uint32_t duty_addr;
volatile uint32_t conf1_addr;
volatile uint32_t conf1_val;
if (speed_mode == PWM_LED_ESP32_HIGH_SPEED) {
hpoint_addr = PWM_ESP32_HSCH_HPOINT(channel);
@ -388,8 +387,6 @@ int pwm_led_esp32_init(const struct device *dev)
#include <device.h>
#include <init.h>
DEVICE_DECLARE(pwm_led_esp32_0);
#define CH_HS_TIMER(i) ((CONFIG_PWM_LED_ESP32_HS_CH ## i ## _TIMER) & 0x2)
#define CH_HS_GPIO(i) ((CONFIG_PWM_LED_ESP32_HS_CH ## i ## _GPIO) & 0xfff)
#define CH_LS_TIMER(i) ((CONFIG_PWM_LED_ESP32_LS_CH ## i ## _TIMER) & 0x2)
@ -503,7 +500,13 @@ const static struct pwm_led_esp32_config pwm_led_esp32_config = {
},
};
DEVICE_DEFINE(pwm_led_esp32_0, CONFIG_PWM_LED_ESP32_DEV_NAME_0,
pwm_led_esp32_init, NULL, NULL,
&pwm_led_esp32_config, POST_KERNEL,
CONFIG_KERNEL_INIT_PRIORITY_DEVICE, &pwm_led_esp32_api);
DEVICE_DT_DEFINE(
DT_NODELABEL(ledc0),
&pwm_led_esp32_init,
NULL,
NULL,
&pwm_led_esp32_config,
POST_KERNEL,
CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
&pwm_led_esp32_api
);

17
dts/bindings/pwm/espressif,esp32-ledc.yaml Normal file
View file

@ -0,0 +1,17 @@
description: ESP32 LEDC
compatible: "espressif,esp32-ledc"
include: [pwm-controller.yaml, base.yaml]
properties:
label:
required: true
"#pwm-cells":
const: 3
pwm-cells:
- channel
- period
- flags

9
dts/xtensa/espressif/esp32.dtsi
View file

@ -116,6 +116,15 @@
reg = <0x3ff49000 0x94>;
};
ledc0: ledc@3ff59000 {
compatible = "espressif,esp32-ledc";
pwm-controller;
#pwm-cells = <3>;
reg = <0x3ff59000 0x800>;
label = "LEDC_0";
status = "disabled";
};
gpio0: gpio@3ff44000 {
compatible = "espressif,esp32-gpio";
gpio-controller;

2
include/drivers/gpio/gpio_esp32.h
View file

@ -2,6 +2,8 @@
* SPDX-License-Identifier: Apache-2.0
*/
#include <devicetree.h>
#ifndef ZEPHYR_INCLUDE_DRIVERS_GPIO_GPIO_ESP32_H_
#define ZEPHYR_INCLUDE_DRIVERS_GPIO_GPIO_ESP32_H_