boards/xtensa: Add SDM peripheral board layer support for esp[-|-s2|-s3]

Add SDM perpiheral board layer support for Xtensa based Espressif devices

Signed-off-by: Eren Terzioglu <eren.terzioglu@espressif.com>

boards/xtensa/esp32/common/src/esp32_board_dac.c

@@ -32,6 +32,10 @@
 #include <nuttx/arch.h>
 #include <esp32_dac.h>
 
+#ifdef CONFIG_ESP_SDM
+#  include "espressif/esp_sdm.h"
+#endif
+
 /****************************************************************************
  * Private Data
  ****************************************************************************/
@@ -44,7 +48,7 @@
  * Name: board_dac_initialize
  *
  * Description:
- *   Initialize and register the Digital to Analog Convertor (DAC) driver.
+ *   Initialize and register the Digital to Analog Converter (DAC) driver.
  *
  * Input Parameters:
  *   path - The device number, used to build the device path as
@@ -61,7 +65,18 @@ int board_dac_initialize(const char *path)
 
   /* Initialize DAC */
 
+#ifdef CONFIG_ESP_SDM
+  struct esp_sdm_chan_config_s config =
+  {
+    .gpio_num = 5,
+    .sample_rate_hz = 1000 * 1000,
+    .flags = 0,
+  };
+
+  struct dac_dev_s *dev = esp_sdminitialize(config);
+#else
   struct dac_dev_s *dev = esp32_dac_initialize();
+#endif
   if (dev != NULL)
     {
       /* Try to register the DAC */

boards/xtensa/esp32/esp32-devkitc/configs/sdm/defconfig

@@ -0,0 +1,48 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed .config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that includes your
+# modifications.
+#
+# CONFIG_ARCH_LEDS is not set
+# CONFIG_NSH_ARGCAT is not set
+# CONFIG_NSH_CMDOPT_HEXDUMP is not set
+CONFIG_ARCH="xtensa"
+CONFIG_ARCH_BOARD="esp32-devkitc"
+CONFIG_ARCH_BOARD_COMMON=y
+CONFIG_ARCH_BOARD_ESP32_DEVKITC=y
+CONFIG_ARCH_CHIP="esp32"
+CONFIG_ARCH_CHIP_ESP32=y
+CONFIG_ARCH_CHIP_ESP32WROVER=y
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARCH_XTENSA=y
+CONFIG_BOARD_LOOPSPERMSEC=16717
+CONFIG_BUILTIN=y
+CONFIG_ESP32_UART0=y
+CONFIG_ESP_SDM=y
+CONFIG_EXAMPLES_DAC=y
+CONFIG_FS_PROCFS=y
+CONFIG_HAVE_CXX=y
+CONFIG_HAVE_CXXINITIALIZE=y
+CONFIG_IDLETHREAD_STACKSIZE=3072
+CONFIG_INIT_ENTRYPOINT="nsh_main"
+CONFIG_INIT_STACKSIZE=3072
+CONFIG_INTELHEX_BINARY=y
+CONFIG_LINE_MAX=64
+CONFIG_MM_REGIONS=3
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_FILEIOSIZE=512
+CONFIG_NSH_READLINE=y
+CONFIG_PREALLOC_TIMERS=4
+CONFIG_RAM_SIZE=114688
+CONFIG_RAM_START=0x20000000
+CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_WAITPID=y
+CONFIG_START_DAY=6
+CONFIG_START_MONTH=12
+CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_UART0_SERIAL_CONSOLE=y