commit 2622b54936927c8dc7c2cc6b2b7ec2425de96ea4
author Simon Glass <sjg@chromium.org> Fri Jun 10 20:58:24 2016 -0600
committer Martin Roth <martinroth@google.com> Fri Jun 24 20:49:57 2016 +0200
tree 2c271da50161c48ee89a197ed718d07a1aa19396
parent e5f48d20e7d66471f182afe305fe073177722224

gru: Enable EC-based RTC

Obtain the real-time clock value from the EC on start-up and show the
current time.

BUG=chrome-os-partner:52220
BRANCH=none
TEST=(partial) with future commits and EC clock set, boot on gru into
      Linux shell and check the firmware log:

      localhost ~ # grep Date: /sys/firmware/log
      Date: 2016-06-20 (Monday)  Time: 18:09:16

Change-Id: Id3ef791f546419c4881a891251cbb62d7596884b
Signed-off-by: Martin Roth <martinroth@chromium.org>
Original-Commit-Id: 348e9373b0e95a17f5c39ec28a480712e6e45caf
Original-Change-Id: Iff43b16a86d9fee483420ee2eff5ff3d276716a3
Original-Signed-off-by: Simon Glass <sjg@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/351781
Original-Commit-Ready: Vadim Bendebury <vbendeb@chromium.org>
Original-Tested-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://review.coreboot.org/15303
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>

src/mainboard/google/gru/Kconfig

diff --git a/src/mainboard/google/gru/Kconfig b/src/mainboard/google/gru/Kconfig
index 39cbf08..170e358 100644
--- a/src/mainboard/google/gru/Kconfig
+++ b/src/mainboard/google/gru/Kconfig
@@ -23,10 +23,14 @@
 	select BOARD_ID_AUTO
 	select BOARD_ROMSIZE_KB_8192
 	select COMMON_CBFS_SPI_WRAPPER
+	select EC_GOOGLE_CHROMEEC
+	select EC_GOOGLE_CHROMEEC_RTC
+	select EC_GOOGLE_CHROMEEC_SPI
 	select HAVE_HARD_RESET
 	select MAINBOARD_DO_NATIVE_VGA_INIT
 	select MAINBOARD_HAS_CHROMEOS
 	select MAINBOARD_HAS_NATIVE_VGA_INIT
+	select RTC
 	select SOC_ROCKCHIP_RK3399
 	select SPI_FLASH
 	select SPI_FLASH_GIGADEVICE