ARM: shmobile: armadillo800eva: Add support RTC

The armadillo800eva has S35390A which is RTC. This is controlled
using I2C of GPIO.
This commit supports RTC of armadillo800eva.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Simon Horman <horms@verge.net.au>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/arm/configs/armadillo800eva_defconfig b/arch/arm/configs/armadillo800eva_defconfig
index 7d8718468e0d..05f523d7d87f 100644
--- a/arch/arm/configs/armadillo800eva_defconfig
+++ b/arch/arm/configs/armadillo800eva_defconfig
@@ -85,6 +85,7 @@ CONFIG_SERIAL_SH_SCI_NR_UARTS=8
 CONFIG_SERIAL_SH_SCI_CONSOLE=y
 # CONFIG_HW_RANDOM is not set
 CONFIG_I2C=y
+CONFIG_I2C_GPIO=y
 CONFIG_I2C_SH_MOBILE=y
 # CONFIG_HWMON is not set
 CONFIG_MEDIA_SUPPORT=y
@@ -120,6 +121,8 @@ CONFIG_USB_ETH=m
 CONFIG_MMC=y
 CONFIG_MMC_SDHI=y
 CONFIG_MMC_SH_MMCIF=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_S35390A=y
 CONFIG_DMADEVICES=y
 CONFIG_SH_DMAE=y
 CONFIG_UIO=y