[rtc-linux] Re: [PATCH 2/4] mfd: cros_ec: Introduce RTC commands and events definitions.

[Lee Jones <lee.jones@linaro.org>]

On Wed, 11 Jan 2017, Enric Balletbo i Serra wrote:

> From: Stephen Barber <smbarber@chromium.org>
>=20
> The EC can function as a simple RT, this patch adds the RTC related
> definitions needed by the rtc-cros-ec driver.
>=20
> Signed-off-by: Stephen Barber <smbarber@chromium.org>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
> ---
>  include/linux/mfd/cros_ec_commands.h | 8 ++++++++
>  1 file changed, 8 insertions(+)

Acked-by: Lee Jones <lee.jones@linaro.org>

> diff --git a/include/linux/mfd/cros_ec_commands.h b/include/linux/mfd/cro=
s_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 =3D 21,
> =20
> +	/* EC RTC event occurred */
> +	EC_HOST_EVENT_RTC =3D 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 =3D 23,
>  	/* Motion Sensor code has an internal software FIFO */
>  	EC_FEATURE_MOTION_SENSE_FIFO =3D 24,
> +	/* EC has RTC feature that can be controlled by host commands */
> +	EC_FEATURE_RTC =3D 27,
>  };
> =20
>  #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
> =20
> +/* Pass as param to SET_ALARM to clear the current alarm */
> +#define EC_RTC_ALARM_CLEAR 0
> +
>  /***********************************************************************=
******/
>  /* Port80 log access */
> =20

--=20
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org =E2=94=82 Open source software for ARM SoCs
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