From 87b41e6aee9b295a5dbd3b0baecd73bdb7bb001e Mon Sep 17 00:00:00 2001
From: chrysn <chrysn@fsfe.org>
Date: Wed, 30 Sep 2020 15:35:23 +0200
Subject: [PATCH] boards/c/particle-mesh: Enable PWM on the LED pins

---
 boards/common/particle-mesh/Kconfig            |  1 +
 boards/common/particle-mesh/Makefile.features  |  1 +
 .../particle-mesh/include/periph_conf_common.h | 18 ++++++++++++++++++
 3 files changed, 20 insertions(+)

diff --git a/boards/common/particle-mesh/Kconfig b/boards/common/particle-mesh/Kconfig
index 148c3d3754..dc0f1b20c5 100644
--- a/boards/common/particle-mesh/Kconfig
+++ b/boards/common/particle-mesh/Kconfig
@@ -9,6 +9,7 @@ config BOARD_COMMON_PARTICLE_MESH
     select BOARD_COMMON_NRF52
     select CPU_MODEL_NRF52840XXAA
     select HAS_PERIPH_I2C
+    select HAS_PERIPH_PWM
     select HAS_PERIPH_SPI
     select HAS_PERIPH_UART
     select HAS_PERIPH_USBDEV
diff --git a/boards/common/particle-mesh/Makefile.features b/boards/common/particle-mesh/Makefile.features
index bb77f3ce1c..e0f14a2031 100644
--- a/boards/common/particle-mesh/Makefile.features
+++ b/boards/common/particle-mesh/Makefile.features
@@ -2,6 +2,7 @@ CPU_MODEL = nrf52840xxaa
 
 # Put defined MCU peripherals here (in alphabetical order)
 FEATURES_PROVIDED += periph_i2c
+FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_spi
 FEATURES_PROVIDED += periph_uart
 FEATURES_PROVIDED += periph_usbdev
diff --git a/boards/common/particle-mesh/include/periph_conf_common.h b/boards/common/particle-mesh/include/periph_conf_common.h
index b91368e944..b1aa9b9325 100644
--- a/boards/common/particle-mesh/include/periph_conf_common.h
+++ b/boards/common/particle-mesh/include/periph_conf_common.h
@@ -26,6 +26,8 @@
 #include "cfg_rtt_default.h"
 #include "cfg_timer_default.h"
 
+#include "board.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -46,6 +48,22 @@ static const spi_conf_t spi_config[] = {
 #define SPI_NUMOF           ARRAY_SIZE(spi_config)
 /** @} */
 
+/**
+ * @name    PWM configuration
+ *
+ * A single PWM device is used to map the three channels of the on-board RGB
+ * LED
+ *
+ * @{
+ */
+
+static const pwm_conf_t pwm_config[] = {
+    { NRF_PWM0, { LED0_PIN, LED1_PIN, LED2_PIN, GPIO_UNDEF } }
+};
+#define PWM_NUMOF           ARRAY_SIZE(pwm_config)
+
+/** @} */
+
 #ifdef __cplusplus
 }
 #endif