regulator: pca9450: add pca9450 pmic driver

Add NXP pca9450 pmic driver.

Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Link: https://lore.kernel.org/r/1593793178-9737-2-git-send-email-yibin.gong@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 2c6a8c4..8f9bef5 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -750,6 +750,14 @@
 	 This driver provides support for OMAP pbias modelled
 	 regulators.
 
+config REGULATOR_PCA9450
+	tristate "NXP PCA9450A/PCA9450B/PCA9450C regulator driver"
+	depends on I2C
+	select REGMAP_I2C
+	help
+	  Say y here to support the NXP PCA9450A/PCA9450B/PCA9450C PMIC
+	  regulator driver.
+
 config REGULATOR_PCAP
 	tristate "Motorola PCAP2 regulator driver"
 	depends on EZX_PCAP