Kconfig: Convert CONFIG_RTC_MC146818 to Kconfig
Move this option to Kconfig and tidy up the two boards which use it.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/edison_defconfig b/configs/edison_defconfig
index f0f3449..eb9f9a0 100644
--- a/configs/edison_defconfig
+++ b/configs/edison_defconfig
@@ -33,6 +33,7 @@
CONFIG_DFU_MMC=y
CONFIG_DFU_RAM=y
CONFIG_DM_PCI_COMPAT=y
+CONFIG_RTC_MC146818=y
CONFIG_USB_DWC3_GADGET=y
CONFIG_USB_GADGET=y
CONFIG_USB_GADGET_MANUFACTURER="Intel"
diff --git a/configs/malta64_defconfig b/configs/malta64_defconfig
index c509581..9950326 100644
--- a/configs/malta64_defconfig
+++ b/configs/malta64_defconfig
@@ -23,4 +23,5 @@
CONFIG_ENV_IS_IN_FLASH=y
CONFIG_MTD_NOR_FLASH=y
CONFIG_PCI=y
+CONFIG_RTC_MC146818=y
CONFIG_SYS_NS16550=y
diff --git a/configs/malta64el_defconfig b/configs/malta64el_defconfig
index 992c855..63989ce 100644
--- a/configs/malta64el_defconfig
+++ b/configs/malta64el_defconfig
@@ -24,4 +24,5 @@
CONFIG_ENV_IS_IN_FLASH=y
CONFIG_MTD_NOR_FLASH=y
CONFIG_PCI=y
+CONFIG_RTC_MC146818=y
CONFIG_SYS_NS16550=y
diff --git a/configs/malta_defconfig b/configs/malta_defconfig
index 5854405..8265dae 100644
--- a/configs/malta_defconfig
+++ b/configs/malta_defconfig
@@ -22,4 +22,5 @@
CONFIG_ENV_IS_IN_FLASH=y
CONFIG_MTD_NOR_FLASH=y
CONFIG_PCI=y
+CONFIG_RTC_MC146818=y
CONFIG_SYS_NS16550=y
diff --git a/configs/maltael_defconfig b/configs/maltael_defconfig
index 9cba722..c9c4c8f 100644
--- a/configs/maltael_defconfig
+++ b/configs/maltael_defconfig
@@ -23,4 +23,5 @@
CONFIG_ENV_IS_IN_FLASH=y
CONFIG_MTD_NOR_FLASH=y
CONFIG_PCI=y
+CONFIG_RTC_MC146818=y
CONFIG_SYS_NS16550=y
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 5436509..97cf7d8 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -68,4 +68,12 @@
help
Enable s35392a driver which provides rtc get and set function.
+config RTC_MC146818
+ bool "Enable MC146818 driver"
+ help
+ This is a widely used real-time clock chip originally by Motorola
+ and now available from NXP. It includes a battery-backed real-time
+ clock with a wide array of features and 50 bytes of general-purpose,
+ battery-backed RAM. The driver supports access to the clock and RAM.
+
endmenu
diff --git a/include/configs/edison.h b/include/configs/edison.h
index 476f5e3..86c584d 100644
--- a/include/configs/edison.h
+++ b/include/configs/edison.h
@@ -48,6 +48,5 @@
/* RTC */
#define CONFIG_SYS_ISA_IO_BASE_ADDRESS 0
-#define CONFIG_RTC_MC146818
#endif
diff --git a/include/configs/malta.h b/include/configs/malta.h
index ba3639d..520b987 100644
--- a/include/configs/malta.h
+++ b/include/configs/malta.h
@@ -19,7 +19,6 @@
#define CONFIG_PCNET_79C973
#define PCNET_HAS_PROM
-#define CONFIG_RTC_MC146818
#define CONFIG_SYS_ISA_IO_BASE_ADDRESS 0
/*
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index e805b1e..b85c35b 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -1673,7 +1673,6 @@
CONFIG_RTC_M41T11
CONFIG_RTC_M41T62
CONFIG_RTC_MC13XXX
-CONFIG_RTC_MC146818
CONFIG_RTC_MCFRRTC
CONFIG_RTC_MCP79411
CONFIG_RTC_MXS