drivers: adc: add NXP S32 ADC SAR driver

Add support ADC SAR for NXP S32. ADC SAR diver
support 3 group channels (precision, standard
and external), run normal trigger in oneshot
conversion mode with 2 callbacks normal end
of conversion and normal end chain callbacks.
An instance only run on 1 group channel and
1 kind of callback at the same time.

Signed-off-by: Cong Nguyen Huu <[email protected]>

Author: congnguyenhuu

drivers/adc/CMakeLists.txt

@@ -43,3 +43,4 @@ zephyr_library_sources_ifdef(CONFIG_ADC_INFINEON_CAT1	adc_ifx_cat1.c)
 zephyr_library_sources_ifdef(CONFIG_ADC_SMARTBOND_GPADC adc_smartbond_gpadc.c)
 zephyr_library_sources_ifdef(CONFIG_ADC_SMARTBOND_SDADC adc_smartbond_sdadc.c)
 zephyr_library_sources_ifdef(CONFIG_ADC_TLA2021         adc_tla2021.c)
+zephyr_library_sources_ifdef(CONFIG_ADC_NXP_S32_ADC_SAR	adc_nxp_s32_adc_sar.c)

drivers/adc/Kconfig

@@ -110,4 +110,6 @@ source "drivers/adc/Kconfig.smartbond"
 
 source "drivers/adc/Kconfig.tla2021"
 
+source "drivers/adc/Kconfig.nxp_s32"
+
 endif # ADC

drivers/adc/Kconfig.nxp_s32

@@ -0,0 +1,9 @@
+# Copyright 2023 NXP
+# SPDX-License-Identifier: Apache-2.0
+
+config ADC_NXP_S32_ADC_SAR
+	bool "NXP S32 ADC SAR driver"
+	default y
+	depends on DT_HAS_NXP_S32_ADC_SAR_ENABLED
+	help
+	  This option enables the NXP S32 ADC SAR driver.