xtensa/espressif/rmt: Implement a common RMT (Remote Control) driver for xtensa-based devices.

Kconfig

@@ -1729,7 +1729,7 @@ endif # DEBUG_REGMAP
 config DEBUG_RMT
 	bool "RMT Debug Features"
 	default n
-	depends on ESP32_RMT
+	depends on RMT
 	---help---
 		Enable RMT debug features.
 

arch/risc-v/src/espressif/Make.defs

@@ -83,7 +83,7 @@ endif
 
 ESP_HAL_3RDPARTY_REPO   = esp-hal-3rdparty
 ifndef ESP_HAL_3RDPARTY_VERSION
-	ESP_HAL_3RDPARTY_VERSION = 2fbc8a025275d68833cdfef490377048538de57a
+	ESP_HAL_3RDPARTY_VERSION = 22804823777dbbb7f43925b7729b3a32331aa7cd
 endif
 
 ifndef ESP_HAL_3RDPARTY_URL

arch/xtensa/src/Makefile

@@ -129,6 +129,7 @@ endif
 
 VPATH += chip
 VPATH += common
+VPATH += common/espressif
 VPATH += $(ARCH_SUBDIR)
 VPATH += $(CHIP_DIR)
 

arch/xtensa/src/common/espressif/Kconfig

@@ -0,0 +1,7 @@
+config ESP_RMT
+	bool "Remote Control Module (RMT)"
+	default n
+	depends on RMT
+	---help---
+		Remote Control Module is currently used to control WS2812
+		RGB LED normally used on LED strips.

arch/xtensa/src/common/espressif/Make.defs

@@ -0,0 +1,26 @@
+############################################################################
+# arch/xtensa/src/common/espressif/Make.defs
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.  The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################
+
+ifeq ($(CONFIG_ESP_RMT),y)
+CHIP_CSRCS += esp_rmt.c
+ifeq ($(CONFIG_WS2812_NON_SPI_DRIVER),y)
+CHIP_CSRCS += esp_ws2812.c
+endif
+endif