From: Stephen Barber <smbar...@chromium.org>

The EC can function as a simple RT, this patch adds the RTC related
definitions needed by the rtc-cros-ec driver.

Signed-off-by: Stephen Barber <smbar...@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balle...@collabora.com>
---
 include/linux/mfd/cros_ec_commands.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/linux/mfd/cros_ec_commands.h 
b/include/linux/mfd/cros_ec_commands.h
index 80d401d..73f7a62 100644
--- a/include/linux/mfd/cros_ec_commands.h
+++ b/include/linux/mfd/cros_ec_commands.h
@@ -286,6 +286,9 @@ enum host_event_code {
        /* Hang detect logic detected a hang and warm rebooted the AP */
        EC_HOST_EVENT_HANG_REBOOT = 21,
 
+       /* EC RTC event occurred */
+       EC_HOST_EVENT_RTC = 26,
+
        /*
         * The high bit of the event mask is not used as a host event code.  If
         * it reads back as set, then the entire event mask should be
@@ -790,6 +793,8 @@ enum ec_feature_code {
        EC_FEATURE_USB_MUX = 23,
        /* Motion Sensor code has an internal software FIFO */
        EC_FEATURE_MOTION_SENSE_FIFO = 24,
+       /* EC has RTC feature that can be controlled by host commands */
+       EC_FEATURE_RTC = 27,
 };
 
 #define EC_FEATURE_MASK_0(event_code) (1UL << (event_code % 32))
@@ -1682,6 +1687,9 @@ struct ec_response_rtc {
 #define EC_CMD_RTC_SET_VALUE 0x46
 #define EC_CMD_RTC_SET_ALARM 0x47
 
+/* Pass as param to SET_ALARM to clear the current alarm */
+#define EC_RTC_ALARM_CLEAR 0
+
 /*****************************************************************************/
 /* Port80 log access */
 
-- 
2.9.3

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