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iio / platform: cros_ec: Add cros-ec-sensorhub driver

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Similar to HID sensor stack, the new driver sits between cros-ec-dev
and the IIO device drivers:

The EC based IIO device topology would be:

iio:device1 ->
   ...0/0000:00:1f.0/PNP0C09:00/GOOG0004:00/cros-ec-dev.6.auto/
                                            cros-ec-sensorhub.7.auto/
                                            cros-ec-accel.15.auto/
                                            iio:device1

It will be expanded to control EC sensor FIFO.

Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
[Fix "unknown type name 'uint32_t'" type errors]
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
This commit is contained in:
Gwendal Grignou
2019-11-19 13:45:45 +01:00
committed by Enric Balletbo i Serra
parent a16b2e2819
commit 5306747118
5 changed files with 235 additions and 1 deletions
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22
include/linux/platform_data/cros_ec_sensorhub.h Normal file
View File

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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Chrome OS EC MEMS Sensor Hub driver.
*
* Copyright 2019 Google LLC
*/
#ifndef __LINUX_PLATFORM_DATA_CROS_EC_SENSORHUB_H
#define __LINUX_PLATFORM_DATA_CROS_EC_SENSORHUB_H
#include <linux/platform_data/cros_ec_commands.h>
/**
* struct cros_ec_sensorhub - Sensor Hub device data.
*
* @ec: Embedded Controller where the hub is located.
*/
struct cros_ec_sensorhub {
struct cros_ec_dev *ec;
};
#endif /* __LINUX_PLATFORM_DATA_CROS_EC_SENSORHUB_H */