aspeed: AST2600 Pinctrl Driver

This driver uses Pinctrl framework and is compatible with the Linux
driver for AST2600.

Signed-off-by: Ryan Chen <ryan_chen@aspeedtech.com>
Signed-off-by: Dylan Hung <dylan_hung@aspeedtech.com>
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index 30eaa37..42f25e2 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -291,6 +291,15 @@
 	  uses Generic Pinctrl framework and is compatible with the Linux
 	  driver, i.e. it uses the same device tree configuration.
 
+config ASPEED_AST2600_PINCTRL
+	bool "Aspeed AST2600 pin control driver"
+	depends on DM && PINCTRL_GENERIC && ASPEED_AST2600
+	default y
+	help
+	  Support pin multiplexing control on Aspeed ast2600 SoC. The driver
+	  uses Generic Pinctrl framework and is compatible with the Linux
+	  driver, i.e. it uses the same device tree configuration.
+
 config PINCTRL_K210
 	bool "Kendryte K210 Fully-Programmable Input/Output Array driver"
 	depends on DM && PINCTRL_GENERIC