aboutsummaryrefslogtreecommitdiffstats
path: root/Documentation
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/ABI/testing/sysfs-bus-iio7
-rw-r--r--Documentation/ABI/testing/sysfs-bus-iio-cros-ec10
-rw-r--r--Documentation/devicetree/bindings/iio/adc/mcp320x.txt14
-rw-r--r--Documentation/devicetree/bindings/iio/adc/mt6577_auxadc.txt1
-rw-r--r--Documentation/devicetree/bindings/iio/dac/ds4424.txt20
-rw-r--r--Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txt34
-rw-r--r--Documentation/devicetree/bindings/iio/health/max30100.txt4
-rw-r--r--Documentation/devicetree/bindings/iio/health/max30102.txt2
-rw-r--r--Documentation/devicetree/bindings/iio/st-sensors.txt4
9 files changed, 90 insertions, 6 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 7eead5f97e02..2e3f919485f4 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -522,6 +522,7 @@ Description:
Specifies the output powerdown mode.
DAC output stage is disconnected from the amplifier and
1kohm_to_gnd: connected to ground via an 1kOhm resistor,
+ 2.5kohm_to_gnd: connected to ground via a 2.5kOhm resistor,
6kohm_to_gnd: connected to ground via a 6kOhm resistor,
20kohm_to_gnd: connected to ground via a 20kOhm resistor,
90kohm_to_gnd: connected to ground via a 90kOhm resistor,
@@ -1242,9 +1243,9 @@ What: /sys/.../iio:deviceX/in_distance_raw
KernelVersion: 4.0
Contact: linux-iio@vger.kernel.org
Description:
- This attribute is used to read the distance covered by the user
- since the last reboot while activated. Units after application
- of scale are meters.
+ This attribute is used to read the measured distance to an object
+ or the distance covered by the user since the last reboot while
+ activated. Units after application of scale are meters.
What: /sys/bus/iio/devices/iio:deviceX/store_eeprom
KernelVersion: 3.4.0
diff --git a/Documentation/ABI/testing/sysfs-bus-iio-cros-ec b/Documentation/ABI/testing/sysfs-bus-iio-cros-ec
index 297b9720f024..0e95c2ca105c 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio-cros-ec
+++ b/Documentation/ABI/testing/sysfs-bus-iio-cros-ec
@@ -16,3 +16,13 @@ Description:
the motion sensor is placed. For example, in a laptop a motion
sensor can be located on the base or on the lid. Current valid
values are 'base' and 'lid'.
+
+What: /sys/bus/iio/devices/iio:deviceX/id
+Date: Septembre 2017
+KernelVersion: 4.14
+Contact: linux-iio@vger.kernel.org
+Description:
+ This attribute is exposed by the CrOS EC legacy accelerometer
+ driver and represents the sensor ID as exposed by the EC. This
+ ID is used by the Android sensor service hardware abstraction
+ layer (sensor HAL) through the Android container on ChromeOS.
diff --git a/Documentation/devicetree/bindings/iio/adc/mcp320x.txt b/Documentation/devicetree/bindings/iio/adc/mcp320x.txt
index bcd3ac8e6e0c..7d64753df949 100644
--- a/Documentation/devicetree/bindings/iio/adc/mcp320x.txt
+++ b/Documentation/devicetree/bindings/iio/adc/mcp320x.txt
@@ -29,15 +29,29 @@ Required properties:
"microchip,mcp3204"
"microchip,mcp3208"
"microchip,mcp3301"
+ "microchip,mcp3550-50"
+ "microchip,mcp3550-60"
+ "microchip,mcp3551"
+ "microchip,mcp3553"
NOTE: The use of the compatibles with no vendor prefix
is deprecated and only listed because old DT use them.
+ - spi-cpha, spi-cpol (boolean):
+ Either SPI mode (0,0) or (1,1) must be used, so specify
+ none or both of spi-cpha, spi-cpol. The MCP3550/1/3
+ is more efficient in mode (1,1) as only 3 instead of
+ 4 bytes need to be read from the ADC, but not all SPI
+ masters support it.
+
+ - vref-supply: Phandle to the external reference voltage supply.
+
Examples:
spi_controller {
mcp3x0x@0 {
compatible = "mcp3002";
reg = <0>;
spi-max-frequency = <1000000>;
+ vref-supply = <&vref_reg>;
};
};
diff --git a/Documentation/devicetree/bindings/iio/adc/mt6577_auxadc.txt b/Documentation/devicetree/bindings/iio/adc/mt6577_auxadc.txt
index 64dc4843c180..0df9befdaecc 100644
--- a/Documentation/devicetree/bindings/iio/adc/mt6577_auxadc.txt
+++ b/Documentation/devicetree/bindings/iio/adc/mt6577_auxadc.txt
@@ -12,6 +12,7 @@ for the Thermal Controller which holds a phandle to the AUXADC.
Required properties:
- compatible: Should be one of:
- "mediatek,mt2701-auxadc": For MT2701 family of SoCs
+ - "mediatek,mt2712-auxadc": For MT2712 family of SoCs
- "mediatek,mt7622-auxadc": For MT7622 family of SoCs
- "mediatek,mt8173-auxadc": For MT8173 family of SoCs
- reg: Address range of the AUXADC unit.
diff --git a/Documentation/devicetree/bindings/iio/dac/ds4424.txt b/Documentation/devicetree/bindings/iio/dac/ds4424.txt
new file mode 100644
index 000000000000..eaebbf8dab40
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/ds4424.txt
@@ -0,0 +1,20 @@
+Maxim Integrated DS4422/DS4424 7-bit Sink/Source Current DAC Device Driver
+
+Datasheet publicly available at:
+https://datasheets.maximintegrated.com/en/ds/DS4422-DS4424.pdf
+
+Required properties:
+ - compatible: Should be one of
+ maxim,ds4422
+ maxim,ds4424
+ - reg: Should contain the DAC I2C address
+
+Optional properties:
+ - vcc-supply: Power supply is optional. If not defined, driver will ignore it.
+
+Example:
+ ds4224@10 {
+ compatible = "maxim,ds4424";
+ reg = <0x10>; /* When A0, A1 pins are ground */
+ vcc-supply = <&vcc_3v3>;
+ };
diff --git a/Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txt b/Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txt
new file mode 100644
index 000000000000..9cb0e10df704
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txt
@@ -0,0 +1,34 @@
+Texas Instruments 8/10/12-bit 2/4-channel DAC driver
+
+Required properties:
+ - compatible: Must be one of:
+ "ti,dac082s085"
+ "ti,dac102s085"
+ "ti,dac122s085"
+ "ti,dac084s085"
+ "ti,dac104s085"
+ "ti,dac124s085"
+ - reg: Chip select number.
+ - spi-cpha, spi-cpol: SPI mode (0,1) or (1,0) must be used, so specify
+ either spi-cpha or spi-cpol (but not both).
+ - vref-supply: Phandle to the external reference voltage supply.
+
+For other required and optional properties of SPI slave nodes please refer to
+../../spi/spi-bus.txt.
+
+Example:
+ vref_2v5_reg: regulator-vref {
+ compatible = "regulator-fixed";
+ regulator-name = "2v5";
+ regulator-min-microvolt = <2500000>;
+ regulator-max-microvolt = <2500000>;
+ regulator-always-on;
+ };
+
+ dac@0 {
+ compatible = "ti,dac082s085";
+ reg = <0>;
+ spi-max-frequency = <40000000>;
+ spi-cpol;
+ vref-supply = <&vref_2v5_reg>;
+ };
diff --git a/Documentation/devicetree/bindings/iio/health/max30100.txt b/Documentation/devicetree/bindings/iio/health/max30100.txt
index 295a9edfa4fd..8d8176459d09 100644
--- a/Documentation/devicetree/bindings/iio/health/max30100.txt
+++ b/Documentation/devicetree/bindings/iio/health/max30100.txt
@@ -20,9 +20,9 @@ Optional properties:
Example:
-max30100@057 {
+max30100@57 {
compatible = "maxim,max30100";
- reg = <57>;
+ reg = <0x57>;
maxim,led-current-microamp = <24000 50000>;
interrupt-parent = <&gpio1>;
interrupts = <16 2>;
diff --git a/Documentation/devicetree/bindings/iio/health/max30102.txt b/Documentation/devicetree/bindings/iio/health/max30102.txt
index c695e7cbeefb..8629c18b0e78 100644
--- a/Documentation/devicetree/bindings/iio/health/max30102.txt
+++ b/Documentation/devicetree/bindings/iio/health/max30102.txt
@@ -20,7 +20,7 @@ Optional properties:
Example:
-max30100@57 {
+max30102@57 {
compatible = "maxim,max30102";
reg = <0x57>;
maxim,red-led-current-microamp = <7000>;
diff --git a/Documentation/devicetree/bindings/iio/st-sensors.txt b/Documentation/devicetree/bindings/iio/st-sensors.txt
index 9ec6f5ce54fc..6f626f73417e 100644
--- a/Documentation/devicetree/bindings/iio/st-sensors.txt
+++ b/Documentation/devicetree/bindings/iio/st-sensors.txt
@@ -46,6 +46,8 @@ Accelerometers:
- st,h3lis331dl-accel
- st,lng2dm-accel
- st,lis3l02dq
+- st,lis2dw12
+- st,lis3dhh
Gyroscopes:
- st,l3g4200d-gyro
@@ -71,3 +73,5 @@ Pressure sensors:
- st,lps25h-press
- st,lps331ap-press
- st,lps22hb-press
+- st,lps33hw
+- st,lps35hw