Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756204AbdGLKNh (ORCPT ); Wed, 12 Jul 2017 06:13:37 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:47141 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755887AbdGLKNa (ORCPT ); Wed, 12 Jul 2017 06:13:30 -0400 From: Enric Balletbo i Serra To: Jonathan Cameron , Lee Jones , bleung@chromium.org Cc: martinez.javier@gmail.com, Guenter Roeck , Gwendal Grignou , linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, rtc-linux@googlegroups.com, Stephen Barber Subject: [PATCH v3 4/4] mfd: cros_ec: add RTC as mfd subdevice Date: Wed, 12 Jul 2017 12:13:09 +0200 Message-Id: <20170712101309.6045-5-enric.balletbo@collabora.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170712101309.6045-1-enric.balletbo@collabora.com> References: <20170712101309.6045-1-enric.balletbo@collabora.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1598 Lines: 55 From: Stephen Barber If the EC supports RTC host commands, expose an RTC device. Signed-off-by: Stephen Barber Signed-off-by: Enric Balletbo i Serra --- 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 75a27a6..ff972fb 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; @@ -245,6 +249,16 @@ 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; @@ -294,6 +308,10 @@ 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