driver: regulator: Add support for AXP2101 PMIC

Add initial driver for the AXP2101 PMIC
Support:
  - DCDC1-5
  - LDOA1-A4, LDOB1-B2, LDOC1, LDOD1-D2

Signed-off-by: Deng Baoan <[email protected]>

Author: Deng Baoan

drivers/regulator/CMakeLists.txt

@@ -20,3 +20,4 @@ zephyr_library_sources_ifdef(CONFIG_REGULATOR_SHELL regulator_shell.c)
 zephyr_library_sources_ifdef(CONFIG_REGULATOR_RPI_PICO regulator_rpi_pico.c)
 zephyr_library_sources_ifdef(CONFIG_REGULATOR_NXP_VREF regulator_nxp_vref.c)
 zephyr_library_sources_ifdef(CONFIG_REGULATOR_MPM54304 regulator_mpm54304.c)
+zephyr_library_sources_ifdef(CONFIG_REGULATOR_AXP2101 regulator_axp2101.c)

drivers/regulator/Kconfig

@@ -41,5 +41,6 @@ source "drivers/regulator/Kconfig.pca9420"
 source "drivers/regulator/Kconfig.rpi_pico"
 source "drivers/regulator/Kconfig.nxp_vref"
 source "drivers/regulator/Kconfig.mpm54304"
+source "drivers/regulator/Kconfig.axp2101"
 
 endif # REGULATOR

drivers/regulator/Kconfig.axp2101

@@ -0,0 +1,20 @@
+# Copyright (c) 2024 Deng Baoan <[email protected]>
+# SPDX-License-Identifier: Apache-2.0
+
+config REGULATOR_AXP2101
+	bool "AXP2101 PMIC regulator driver"
+	default y
+	depends on DT_HAS_X_POWERS_AXP2101_REGULATOR_ENABLED
+	select I2C
+	help
+	  Enable the AXP2101 PMIC regulator driver
+
+if REGULATOR_AXP2101
+
+config REGULATOR_AXP2101_INIT_PRIORITY
+	int "AXP2101 regulator init priority"
+	default 75
+	help
+	  AXP2101 regulator initialization priority.
+
+endif # REGULATOR_AXP2101