[U-Boot] [PATCH 10/45] Kconfig: Convert CONFIG_RTC_MC146818 to Kconfig

[Simon Glass]

Move this option to Kconfig and tidy up the two boards which use it.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 configs/edison_defconfig     | 1 +
 configs/malta_defconfig      | 1 +
 drivers/rtc/Kconfig          | 8 ++++++++
 include/configs/edison.h     | 1 -
 include/configs/malta.h      | 1 -
 scripts/config_whitelist.txt | 1 -
 6 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/configs/edison_defconfig b/configs/edison_defconfig
index f0f3449464c..eb9f9a089f1 100644
--- a/configs/edison_defconfig
+++ b/configs/edison_defconfig
@@ -33,6 +33,7 @@ CONFIG_CPU=y
 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/malta_defconfig b/configs/malta_defconfig
index 585440584ee..8265daec8e7 100644
--- a/configs/malta_defconfig
+++ b/configs/malta_defconfig
@@ -22,4 +22,5 @@ CONFIG_DEFAULT_DEVICE_TREE="mti,malta"
 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 54365092ec4..97cf7d84dfa 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -68,4 +68,12 @@ config RTC_S35392A
 	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 476f5e38b4b..86c584d73dc 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 ba3639d177e..520b9870601 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 96d3f75750b..a588dd12a03 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -1673,7 +1673,6 @@ CONFIG_RTC_IMXDI
 CONFIG_RTC_M41T11
 CONFIG_RTC_M41T62
 CONFIG_RTC_MC13XXX
-CONFIG_RTC_MC146818
 CONFIG_RTC_MCFRRTC
 CONFIG_RTC_MCP79411
 CONFIG_RTC_MXS
-- 
2.19.0.605.g01d371f741-goog