Check whether this EC instance has RTC host command support and instatiate
the RTC driver as a subdevice in such case.
Signed-off-by: Enric Balletbo i Serra <enric.balle...@collabora.com>
Reviewed-by: Gwendal Grignou <gwen...@chromium.org>
---
Changes in v2:
- [4/8] Add the Reviewed-by Gwendal.
drivers/mfd/cros_ec_dev.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c
index f98e5beffca6..33fe1b439ee2 100644
--- a/drivers/mfd/cros_ec_dev.c
+++ b/drivers/mfd/cros_ec_dev.c
@@ -389,6 +389,10 @@ static void cros_ec_sensors_register(struct cros_ec_dev
*ec)
kfree(msg);
}
+static const struct mfd_cell cros_ec_rtc_cell = {
+ .name = "cros-ec-rtc",
+};
+
static int ec_device_probe(struct platform_device *pdev)
{
int retval = -ENOMEM;
@@ -437,6 +441,16 @@ static int ec_device_probe(struct platform_device *pdev)
if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE))
cros_ec_sensors_register(ec);
+ /* check whether this EC instance has RTC host command support */
+ if (cros_ec_check_features(ec, EC_FEATURE_RTC)) {
+ retval = mfd_add_devices(ec->dev, PLATFORM_DEVID_AUTO,
+ &cros_ec_rtc_cell, 1, NULL, 0, NULL);
+ if (retval)
+ dev_err(ec->dev,
+ "failed to add cros-ec-rtc device: %d\n",
+ retval);
+ }
+
/* Take control of the lightbar from the EC. */
lb_manual_suspend_ctrl(ec, 1);
--
2.16.1
