drivers: dali: Add driver for STM PWMs

Author: Sven Hädrich

drivers/dali/CMakeLists.txt

@@ -4,4 +4,5 @@
 zephyr_library()
 # zephyr-keep-sorted-start
 zephyr_library_sources_ifdef(CONFIG_DALI_LPC11U6X dali_lpc11u6x.c)
+zephyr_library_sources_ifdef(CONFIG_DALI_PWM      dali_pwm.c)
 # zephyr-keep-sorted-stop

drivers/dali/Kconfig

@@ -18,6 +18,7 @@ config DALI_MAX_FRAMES_IN_QUEUE
 	  How many frames should be buffered in the recv queue
 
 source "drivers/dali/Kconfig.lpc11u6x"
+source "drivers/dali/Kconfig.pwm"
 
 module = DALI_LOW_LEVEL
 module-str = dali_low_level

drivers/dali/Kconfig.pwm

@@ -0,0 +1,43 @@
+# PWM DALI configuration options
+
+# Copyright (c) 2025 by Sven Hädrich <[email protected]>
+# SPDX-License-Identifier: Apache-2.0
+
+config DALI_PWM
+	bool "Generic PWM DALI driver"
+	default y
+	depends on DT_HAS_ZEPHYR_DALI_PWM_ENABLED
+	select PWM
+	select PWM_CAPTURE
+	help
+	  Enable DALI driver for generic PWM MCUs.
+
+if DALI_PWM
+
+choice
+	prompt "Thread for sending out"
+	default DALI_PWM_OWN_THREAD
+
+config DALI_PWM_GLOBAL_THREAD
+	bool "Use global thread"
+
+config DALI_PWM_OWN_THREAD
+	bool "Use own thread"
+
+endchoice
+
+config DALI_PWM_THREAD_PRIORITY
+	int "DALI send own thread priority"
+	depends on DALI_PWM_OWN_THREAD
+	default 10
+	help
+	  The priority of the thread used for sending DALI frames.
+
+config DALI_PWM_THREAD_STACK_SIZE
+	int "DALI send own thread stack size"
+	depends on DALI_PWM_OWN_THREAD
+	default 1024
+	help
+	  The thread stack size.
+
+endif # DALI_PWM