3 files changed, 27 insertions, 0 deletions
diff --git a/src/mainboard/google/nyan/Kconfig b/src/mainboard/google/nyan/Kconfig
index 3dc552020e..82577e9eea 100644
--- a/src/mainboard/google/nyan/Kconfig
+++ b/src/mainboard/google/nyan/Kconfig
@@ -26,6 +26,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select SPI_FLASH
 	select SPI_FLASH_GIGADEVICE
 	select SPI_FLASH_WINBOND
+	select DRIVERS_AS3722_RTC
 
 config VBOOT
 	select EC_GOOGLE_CHROMEEC_SWITCHES
@@ -77,4 +78,12 @@ config DRIVER_TPM_I2C_ADDR
 	hex
 	default 0x20
 
+config DRIVERS_AS3722_RTC_BUS
+	int
+	default 4
+
+config DRIVERS_AS3722_RTC_ADDR
+	hex
+	default 0x40
+
 endif # BOARD_GOOGLE_NYAN
diff --git a/src/mainboard/google/nyan_big/Kconfig b/src/mainboard/google/nyan_big/Kconfig
index 14a28cd7b8..099ff7f92d 100644
--- a/src/mainboard/google/nyan_big/Kconfig
+++ b/src/mainboard/google/nyan_big/Kconfig
@@ -28,6 +28,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select SPI_FLASH_WINBOND
 	select MAINBOARD_HAS_I2C_TPM_GENERIC
 	select MAINBOARD_HAS_TPM1
+	select DRIVERS_AS3722_RTC
 
 config VBOOT
 	select EC_GOOGLE_CHROMEEC_SWITCHES
@@ -79,4 +80,12 @@ config DRIVER_TPM_I2C_ADDR
 	hex
 	default 0x20
 
+config DRIVERS_AS3722_RTC_BUS
+	int
+	default 4
+
+config DRIVERS_AS3722_RTC_ADDR
+	hex
+	default 0x40
+
 endif # BOARD_GOOGLE_NYAN_BIG
diff --git a/src/mainboard/google/nyan_blaze/Kconfig b/src/mainboard/google/nyan_blaze/Kconfig
index 35bd69190a..4c611b986e 100644
--- a/src/mainboard/google/nyan_blaze/Kconfig
+++ b/src/mainboard/google/nyan_blaze/Kconfig
@@ -28,6 +28,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select SPI_FLASH_WINBOND
 	select MAINBOARD_HAS_I2C_TPM_GENERIC
 	select MAINBOARD_HAS_TPM1
+	select DRIVERS_AS3722_RTC
 
 config VBOOT
 	select EC_GOOGLE_CHROMEEC_SWITCHES
@@ -79,4 +80,12 @@ config DRIVER_TPM_I2C_ADDR
 	hex
 	default 0x20
 
+config DRIVERS_AS3722_RTC_BUS
+	int
+	default 4
+
+config DRIVERS_AS3722_RTC_ADDR
+	hex
+	default 0x40
+
 endif # BOARD_GOOGLE_NYAN_BLAZE