From: Stephen Barber <smbar...@chromium.org> If the EC supports RTC host commands, expose an RTC device.
Signed-off-by: Stephen Barber <smbar...@chromium.org> Signed-off-by: Enric Balletbo i Serra <enric.balle...@collabora.com> --- Changes since v1: - Use PLATFORM_DEVID_AUTO to add the subdevice. drivers/mfd/cros_ec.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/mfd/cros_ec.c b/drivers/mfd/cros_ec.c index bbc17ab..76874be 100644 --- a/drivers/mfd/cros_ec.c +++ b/drivers/mfd/cros_ec.c @@ -51,6 +51,10 @@ static const struct mfd_cell ec_pd_cell = { .pdata_size = sizeof(pd_p), }; +static const struct mfd_cell ec_rtc_cell = { + .name = "cros-ec-rtc", +}; + static irqreturn_t ec_irq_thread(int irq, void *data) { struct cros_ec_device *ec_dev = data; @@ -238,6 +242,16 @@ static void cros_ec_sensors_register(struct cros_ec_device *ec_dev) kfree(msg); } +static void cros_ec_rtc_register(struct cros_ec_device *ec_dev) +{ + int ret; + + ret = mfd_add_devices(ec_dev->dev, PLATFORM_DEVID_AUTO, &ec_rtc_cell, + 1, NULL, 0, NULL); + if (ret) + dev_err(ec_dev->dev, "failed to add EC RTC\n"); +} + int cros_ec_register(struct cros_ec_device *ec_dev) { struct device *dev = ec_dev->dev; @@ -287,6 +301,10 @@ int cros_ec_register(struct cros_ec_device *ec_dev) if (cros_ec_check_features(ec_dev, EC_FEATURE_MOTION_SENSE)) cros_ec_sensors_register(ec_dev); + /* Check whether this EC has RTC support */ + if (cros_ec_check_features(ec_dev, EC_FEATURE_RTC)) + cros_ec_rtc_register(ec_dev); + if (ec_dev->max_passthru) { /* * Register a PD device as well on top of this device. -- 2.9.3 -- You received this message because you are subscribed to "rtc-linux". Membership options at http://groups.google.com/group/rtc-linux . Please read http://groups.google.com/group/rtc-linux/web/checklist before submitting a driver. --- You received this message because you are subscribed to the Google Groups "rtc-linux" group. To unsubscribe from this group and stop receiving emails from it, send an email to rtc-linux+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.