From 3eff6d2cc995e5a4cffb7a35dc368f02f39c4cd3 Mon Sep 17 00:00:00 2001 From: Stephen Barber Date: Fri, 10 Nov 2017 22:55:52 +0100 Subject: mfd: cros_ec: Introduce RTC commands and events definitions. 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 Signed-off-by: Enric Balletbo i Serra Acked-by: Lee Jones Acked-by: Benson Leung Reviewed-by: Brian Norris Signed-off-by: Alexandre Belloni --- include/linux/mfd/cros_ec_commands.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'include/linux/mfd') diff --git a/include/linux/mfd/cros_ec_commands.h b/include/linux/mfd/cros_ec_commands.h index 2b16e95..c6046a2 100644 --- a/include/linux/mfd/cros_ec_commands.h +++ b/include/linux/mfd/cros_ec_commands.h @@ -291,6 +291,9 @@ enum host_event_code { /* EC desires to change state of host-controlled USB mux */ EC_HOST_EVENT_USB_MUX = 28, + /* 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 @@ -799,6 +802,8 @@ 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)) @@ -1709,6 +1714,9 @@ 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 */ -- cgit v1.1