Commit f774117c authored Mar 09, 2021 by Jyoti Bhayana Committed by Jonathan Cameron Mar 13, 2021

iio/scmi: Adding support for IIO SCMI Based Sensors

This change provides ARM SCMI Protocol based IIO device.
This driver provides support for Accelerometer and Gyroscope using
SCMI Sensor Protocol extensions added in the SCMIv3.0 ARM specification

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Jyoti Bhayana <jbhayana@google.com>
Link: https://lore.kernel.org/r/20210212172235.507028-2-jbhayana@google.com

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20210309231259.78050-2-jbhayana@google.com

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

parent a38fd874

MAINTAINERS

+6 −0

Original line number	Diff line number	Diff line
		@@ -8692,6 +8692,12 @@ S: Maintained
		F: Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.txt
		F: drivers/iio/multiplexer/iio-mux.c

		IIO SCMI BASED DRIVER
		M: Jyoti Bhayana <jbhayana@google.com>
		L: linux-iio@vger.kernel.org
		S: Maintained
		F: drivers/iio/common/scmi_sensors/scmi_iio.c

		IIO SUBSYSTEM AND DRIVERS
		M: Jonathan Cameron <jic23@kernel.org>
		R: Lars-Peter Clausen <lars@metafoo.de>

drivers/firmware/arm_scmi/driver.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -741,7 +741,7 @@ static struct scmi_prot_devnames devnames[] = {
		{ SCMI_PROTOCOL_SYSTEM, { "syspower" },},
		{ SCMI_PROTOCOL_PERF, { "cpufreq" },},
		{ SCMI_PROTOCOL_CLOCK, { "clocks" },},
		{ SCMI_PROTOCOL_SENSOR, { "hwmon" },},
		{ SCMI_PROTOCOL_SENSOR, { "hwmon", "iiodev" },},
		{ SCMI_PROTOCOL_RESET, { "reset" },},
		{ SCMI_PROTOCOL_VOLTAGE, { "regulator" },},
		};

drivers/iio/common/Kconfig

+1 −0

Original line number	Diff line number	Diff line
		@@ -6,5 +6,6 @@
		source "drivers/iio/common/cros_ec_sensors/Kconfig"
		source "drivers/iio/common/hid-sensors/Kconfig"
		source "drivers/iio/common/ms_sensors/Kconfig"
		source "drivers/iio/common/scmi_sensors/Kconfig"
		source "drivers/iio/common/ssp_sensors/Kconfig"
		source "drivers/iio/common/st_sensors/Kconfig"

drivers/iio/common/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -11,5 +11,6 @@
		obj-y += cros_ec_sensors/
		obj-y += hid-sensors/
		obj-y += ms_sensors/
		obj-y += scmi_sensors/
		obj-y += ssp_sensors/
		obj-y += st_sensors/

drivers/iio/common/scmi_sensors/Kconfig

0 → 100644

+18 −0

Original line number	Diff line number	Diff line
		#
		# IIO over SCMI
		#
		# When adding new entries keep the list in alphabetical order

		menu "IIO SCMI Sensors"

		config IIO_SCMI
		tristate "IIO SCMI"
		depends on ARM_SCMI_PROTOCOL
		select IIO_BUFFER
		select IIO_KFIFO_BUF
		help
		Say yes here to build support for IIO SCMI Driver.
		This provides ARM SCMI Protocol based IIO device.
		This driver provides support for accelerometer and gyroscope
		sensors available on SCMI based platforms.
		endmenu