[U-Boot] [PATCH v3 06/62] spl: Allow RTC drivers to be used in SPL

[Simon Glass]

Add a new Kconfig option to allow RTC drivers to be used in SPL.

Signed-off-by: Simon Glass <sjg at chromium.org>
Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
---

Changes in v3: None
Changes in v2: None

 common/spl/Kconfig | 10 ++++++++++
 drivers/Makefile   |  1 +
 2 files changed, 11 insertions(+)

diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index f361f2c122a..503adaf6707 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -485,6 +485,16 @@ config SPL_RAM_DEVICE
 	  be already in memory when SPL takes over, e.g. loaded by the boot
 	  ROM.
 
+config SPL_RTC_SUPPORT
+	bool "Support RTC drivers"
+	depends on SPL
+	help
+	  Enable RTC (Real-time Clock) support in SPL. This includes support
+	  for reading and setting the time. Some RTC devices also have some
+	  non-volatile (battery-backed) memory which is accessible if
+	  needed. This enables the drivers in drivers/rtc as part of an SPL
+	  build.
+
 config SPL_SATA_SUPPORT
 	bool "Support loading from SATA"
 	depends on SPL
diff --git a/drivers/Makefile b/drivers/Makefile
index 553577acad5..f070ea9b2bc 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -34,6 +34,7 @@ obj-$(CONFIG_SPL_ETH_SUPPORT) += net/
 obj-$(CONFIG_SPL_ETH_SUPPORT) += net/phy/
 obj-$(CONFIG_SPL_USBETH_SUPPORT) += net/phy/
 obj-$(CONFIG_SPL_PCI_SUPPORT) += pci/
+obj-$(CONFIG_SPL_RTC_SUPPORT) += rtc/
 obj-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += usb/musb-new/
 obj-$(CONFIG_SPL_USB_GADGET_SUPPORT) += usb/gadget/
 obj-$(CONFIG_SPL_USB_GADGET_SUPPORT) += usb/gadget/udc/
-- 
2.11.0.483.g087da7b7c-goog