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-rw-r--r--Documentation/devicetree/bindings/iio/accel/adxl372.txt33
-rw-r--r--Documentation/devicetree/bindings/iio/adc/mcp3911.txt30
-rw-r--r--Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.txt81
-rw-r--r--Documentation/devicetree/bindings/iio/adc/sprd,sc27xx-adc.txt4
-rw-r--r--Documentation/devicetree/bindings/iio/dac/ad5758.txt5
-rw-r--r--Documentation/devicetree/bindings/iio/dac/ltc1660.txt21
-rw-r--r--Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt1
-rw-r--r--Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt1
-rw-r--r--Documentation/devicetree/bindings/iio/light/bh1750.txt18
-rw-r--r--Documentation/devicetree/bindings/iio/light/tsl2772.txt42
-rw-r--r--Documentation/devicetree/bindings/iio/proximity/vl53l0x.txt12
11 files changed, 227 insertions, 21 deletions
diff --git a/Documentation/devicetree/bindings/iio/accel/adxl372.txt b/Documentation/devicetree/bindings/iio/accel/adxl372.txt
new file mode 100644
index 000000000000..a289964756a7
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/accel/adxl372.txt
@@ -0,0 +1,33 @@
+Analog Devices ADXL372 3-Axis, +/-(200g) Digital Accelerometer
+
+http://www.analog.com/media/en/technical-documentation/data-sheets/adxl372.pdf
+
+Required properties:
+ - compatible : should be "adi,adxl372"
+ - reg: the I2C address or SPI chip select number for the device
+
+Required properties for SPI bus usage:
+ - spi-max-frequency: Max SPI frequency to use
+
+Optional properties:
+ - interrupts: interrupt mapping for IRQ as documented in
+ Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
+
+Example for a I2C device node:
+
+ accelerometer@53 {
+ compatible = "adi,adxl372";
+ reg = <0x53>;
+ interrupt-parent = <&gpio>;
+ interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
+ };
+
+Example for a SPI device node:
+
+ accelerometer@0 {
+ compatible = "adi,adxl372";
+ reg = <0>;
+ spi-max-frequency = <1000000>;
+ interrupt-parent = <&gpio>;
+ interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
+ };
diff --git a/Documentation/devicetree/bindings/iio/adc/mcp3911.txt b/Documentation/devicetree/bindings/iio/adc/mcp3911.txt
new file mode 100644
index 000000000000..3071f48fb30b
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/mcp3911.txt
@@ -0,0 +1,30 @@
+* Microchip MCP3911 Dual channel analog front end (ADC)
+
+Required properties:
+ - compatible: Should be "microchip,mcp3911"
+ - reg: SPI chip select number for the device
+
+Recommended properties:
+ - spi-max-frequency: Definition as per
+ Documentation/devicetree/bindings/spi/spi-bus.txt.
+ Max frequency for this chip is 20MHz.
+
+Optional properties:
+ - clocks: Phandle and clock identifier for sampling clock
+ - interrupt-parent: Phandle to the parent interrupt controller
+ - interrupts: IRQ line for the ADC
+ - microchip,device-addr: Device address when multiple MCP3911 chips are present on the
+ same SPI bus. Valid values are 0-3. Defaults to 0.
+ - vref-supply: Phandle to the external reference voltage supply.
+
+Example:
+adc@0 {
+ compatible = "microchip,mcp3911";
+ reg = <0>;
+ interrupt-parent = <&gpio5>;
+ interrupts = <15 IRQ_TYPE_EDGE_RISING>;
+ spi-max-frequency = <20000000>;
+ microchip,device-addr = <0>;
+ vref-supply = <&vref_reg>;
+ clocks = <&xtal>;
+};
diff --git a/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.txt b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.txt
index 0fb46137f936..b3c86f4ac7cd 100644
--- a/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.txt
+++ b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.txt
@@ -1,7 +1,9 @@
-Qualcomm's SPMI PMIC voltage ADC
+Qualcomm's SPMI PMIC ADC
-SPMI PMIC voltage ADC (VADC) provides interface to clients to read
-voltage. The VADC is a 15-bit sigma-delta ADC.
+- SPMI PMIC voltage ADC (VADC) provides interface to clients to read
+ voltage. The VADC is a 15-bit sigma-delta ADC.
+- SPMI PMIC5 voltage ADC (ADC) provides interface to clients to read
+ voltage. The VADC is a 16-bit sigma-delta ADC.
VADC node:
@@ -9,11 +11,13 @@ VADC node:
Usage: required
Value type: <string>
Definition: Should contain "qcom,spmi-vadc".
+ Should contain "qcom,spmi-adc5" for PMIC5 ADC driver.
+ Should contain "qcom,spmi-adc-rev2" for PMIC rev2 ADC driver.
- reg:
Usage: required
Value type: <prop-encoded-array>
- Definition: VADC base address and length in the SPMI PMIC register map.
+ Definition: VADC base address in the SPMI PMIC register map.
- #address-cells:
Usage: required
@@ -45,13 +49,26 @@ Channel node properties:
Definition: ADC channel number.
See include/dt-bindings/iio/qcom,spmi-vadc.h
+- label:
+ Usage: required for "qcom,spmi-adc5" and "qcom,spmi-adc-rev2"
+ Value type: <empty>
+ Definition: ADC input of the platform as seen in the schematics.
+ For thermistor inputs connected to generic AMUX or GPIO inputs
+ these can vary across platform for the same pins. Hence select
+ the platform schematics name for this channel.
+
- qcom,decimation:
Usage: optional
Value type: <u32>
Definition: This parameter is used to decrease ADC sampling rate.
Quicker measurements can be made by reducing decimation ratio.
- Valid values are 512, 1024, 2048, 4096.
- If property is not found, default value of 512 will be used.
+ - For compatible property "qcom,spmi-vadc", valid values are
+ 512, 1024, 2048, 4096. If property is not found, default value
+ of 512 will be used.
+ - For compatible property "qcom,spmi-adc5", valid values are 250, 420
+ and 840. If property is not found, default value of 840 is used.
+ - For compatible property "qcom,spmi-adc-rev2", valid values are 256,
+ 512 and 1024. If property is not present, default value is 1024.
- qcom,pre-scaling:
Usage: optional
@@ -66,21 +83,38 @@ Channel node properties:
- qcom,ratiometric:
Usage: optional
Value type: <empty>
- Definition: Channel calibration type. If this property is specified
- VADC will use the VDD reference (1.8V) and GND for channel
- calibration. If property is not found, channel will be
- calibrated with 0.625V and 1.25V reference channels, also
- known as absolute calibration.
+ Definition: Channel calibration type.
+ - For compatible property "qcom,spmi-vadc", if this property is
+ specified VADC will use the VDD reference (1.8V) and GND for
+ channel calibration. If property is not found, channel will be
+ calibrated with 0.625V and 1.25V reference channels, also
+ known as absolute calibration.
+ - For compatible property "qcom,spmi-adc5" and "qcom,spmi-adc-rev2",
+ if this property is specified VADC will use the VDD reference
+ (1.875V) and GND for channel calibration. If property is not found,
+ channel will be calibrated with 0V and 1.25V reference channels,
+ also known as absolute calibration.
- qcom,hw-settle-time:
Usage: optional
Value type: <u32>
Definition: Time between AMUX getting configured and the ADC starting
- conversion. Delay = 100us * (value) for value < 11, and
- 2ms * (value - 10) otherwise.
- Valid values are: 0, 100, 200, 300, 400, 500, 600, 700, 800,
- 900 us and 1, 2, 4, 6, 8, 10 ms
- If property is not found, channel will use 0us.
+ conversion. The 'hw_settle_time' is an index used from valid values
+ and programmed in hardware to achieve the hardware settling delay.
+ - For compatible property "qcom,spmi-vadc" and "qcom,spmi-adc-rev2",
+ Delay = 100us * (hw_settle_time) for hw_settle_time < 11,
+ and 2ms * (hw_settle_time - 10) otherwise.
+ Valid values are: 0, 100, 200, 300, 400, 500, 600, 700, 800,
+ 900 us and 1, 2, 4, 6, 8, 10 ms.
+ If property is not found, channel will use 0us.
+ - For compatible property "qcom,spmi-adc5", delay = 15us for
+ value 0, 100us * (value) for values < 11,
+ and 2ms * (value - 10) otherwise.
+ Valid values are: 15, 100, 200, 300, 400, 500, 600, 700, 800,
+ 900 us and 1, 2, 4, 6, 8, 10 ms
+ Certain controller digital versions have valid values of
+ 15, 100, 200, 300, 400, 500, 600, 700, 1, 2, 4, 8, 16, 32, 64, 128 ms
+ If property is not found, channel will use 15us.
- qcom,avg-samples:
Usage: optional
@@ -89,13 +123,18 @@ Channel node properties:
Averaging provides the option to obtain a single measurement
from the ADC that is an average of multiple samples. The value
selected is 2^(value).
- Valid values are: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512
- If property is not found, 1 sample will be used.
+ - For compatible property "qcom,spmi-vadc", valid values
+ are: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512
+ If property is not found, 1 sample will be used.
+ - For compatible property "qcom,spmi-adc5" and "qcom,spmi-adc-rev2",
+ valid values are: 1, 2, 4, 8, 16
+ If property is not found, 1 sample will be used.
NOTE:
-Following channels, also known as reference point channels, are used for
-result calibration and their channel configuration nodes should be defined:
+For compatible property "qcom,spmi-vadc" following channels, also known as
+reference point channels, are used for result calibration and their channel
+configuration nodes should be defined:
VADC_REF_625MV and/or VADC_SPARE1(based on PMIC version) VADC_REF_1250MV,
VADC_GND_REF and VADC_VDD_VADC.
@@ -104,7 +143,7 @@ Example:
/* VADC node */
pmic_vadc: vadc@3100 {
compatible = "qcom,spmi-vadc";
- reg = <0x3100 0x100>;
+ reg = <0x3100>;
interrupts = <0x0 0x31 0x0 IRQ_TYPE_EDGE_RISING>;
#address-cells = <1>;
#size-cells = <0>;
diff --git a/Documentation/devicetree/bindings/iio/adc/sprd,sc27xx-adc.txt b/Documentation/devicetree/bindings/iio/adc/sprd,sc27xx-adc.txt
index 8aad960de50b..b4daa15dcf15 100644
--- a/Documentation/devicetree/bindings/iio/adc/sprd,sc27xx-adc.txt
+++ b/Documentation/devicetree/bindings/iio/adc/sprd,sc27xx-adc.txt
@@ -12,6 +12,8 @@ Required properties:
- interrupts: The interrupt number for the ADC device.
- #io-channel-cells: Number of cells in an IIO specifier.
- hwlocks: Reference to a phandle of a hwlock provider node.
+- nvmem-cells: A phandle to the calibration cells provided by eFuse device.
+- nvmem-cell-names: Should be "big_scale_calib", "small_scale_calib".
Example:
@@ -32,5 +34,7 @@ Example:
interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
#io-channel-cells = <1>;
hwlocks = <&hwlock 4>;
+ nvmem-cells = <&adc_big_scale>, <&adc_small_scale>;
+ nvmem-cell-names = "big_scale_calib", "small_scale_calib";
};
};
diff --git a/Documentation/devicetree/bindings/iio/dac/ad5758.txt b/Documentation/devicetree/bindings/iio/dac/ad5758.txt
index bba01a5cab1b..2f607f41f9d3 100644
--- a/Documentation/devicetree/bindings/iio/dac/ad5758.txt
+++ b/Documentation/devicetree/bindings/iio/dac/ad5758.txt
@@ -50,6 +50,9 @@ Required properties:
Optional properties:
+ - reset-gpios : GPIO spec for the RESET pin. If specified, it will be
+ asserted during driver probe.
+
- adi,dc-dc-ilim-microamp: The dc-to-dc converter current limit
The following values are currently supported [uA]:
* 150000
@@ -71,6 +74,8 @@ AD5758 Example:
spi-max-frequency = <1000000>;
spi-cpha;
+ reset-gpios = <&gpio 22 0>;
+
adi,dc-dc-mode = <2>;
adi,range-microvolt = <0 10000000>;
adi,dc-dc-ilim-microamp = <200000>;
diff --git a/Documentation/devicetree/bindings/iio/dac/ltc1660.txt b/Documentation/devicetree/bindings/iio/dac/ltc1660.txt
new file mode 100644
index 000000000000..c5b5f22d6c64
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/ltc1660.txt
@@ -0,0 +1,21 @@
+* Linear Technology Micropower octal 8-Bit and 10-Bit DACs
+
+Required properties:
+ - compatible: Must be one of the following:
+ "lltc,ltc1660"
+ "lltc,ltc1665"
+ - reg: SPI chip select number for the device
+ - vref-supply: Phandle to the voltage reference supply
+
+Recommended properties:
+ - spi-max-frequency: Definition as per
+ Documentation/devicetree/bindings/spi/spi-bus.txt.
+ Max frequency for this chip is 5 MHz.
+
+Example:
+dac@0 {
+ compatible = "lltc,ltc1660";
+ reg = <0>;
+ spi-max-frequency = <5000000>;
+ vref-supply = <&vref_reg>;
+};
diff --git a/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt b/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt
index b2f27da847b8..6ab9a9d196b0 100644
--- a/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt
+++ b/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt
@@ -20,6 +20,7 @@ Required properties:
bindings.
Optional properties:
+ - vddio-supply: regulator phandle for VDDIO supply
- mount-matrix: an optional 3x3 mounting rotation matrix
- i2c-gate node. These devices also support an auxiliary i2c bus. This is
simple enough to be described using the i2c-gate binding. See
diff --git a/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt b/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt
index ea2d6e0ae4c5..879322ad50fd 100644
--- a/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt
+++ b/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt
@@ -7,6 +7,7 @@ Required properties:
"st,lsm6dsl"
"st,lsm6dsm"
"st,ism330dlc"
+ "st,lsm6dso"
- reg: i2c address of the sensor / spi cs line
Optional properties:
diff --git a/Documentation/devicetree/bindings/iio/light/bh1750.txt b/Documentation/devicetree/bindings/iio/light/bh1750.txt
new file mode 100644
index 000000000000..1e7685797d7a
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/light/bh1750.txt
@@ -0,0 +1,18 @@
+ROHM BH1750 - ALS, Ambient light sensor
+
+Required properties:
+
+- compatible: Must be one of:
+ "rohm,bh1710"
+ "rohm,bh1715"
+ "rohm,bh1721"
+ "rohm,bh1750"
+ "rohm,bh1751"
+- reg: the I2C address of the sensor
+
+Example:
+
+light-sensor@23 {
+ compatible = "rohm,bh1750";
+ reg = <0x23>;
+};
diff --git a/Documentation/devicetree/bindings/iio/light/tsl2772.txt b/Documentation/devicetree/bindings/iio/light/tsl2772.txt
new file mode 100644
index 000000000000..1c5e6f17a1df
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/light/tsl2772.txt
@@ -0,0 +1,42 @@
+* AMS/TAOS ALS and proximity sensor
+
+Required properties:
+
+ - compatible: Should be one of
+ "amstaos,tsl2571"
+ "amstaos,tsl2671"
+ "amstaos,tmd2671"
+ "amstaos,tsl2771"
+ "amstaos,tmd2771"
+ "amstaos,tsl2572"
+ "amstaos,tsl2672"
+ "amstaos,tmd2672"
+ "amstaos,tsl2772"
+ "amstaos,tmd2772"
+ "avago,apds9930"
+ - reg: the I2C address of the device
+
+Optional properties:
+
+ - amstaos,proximity-diodes - proximity diodes to enable. <0>, <1>, or <0 1>
+ are the only valid values.
+ - led-max-microamp - current for the proximity LED. Must be 100000, 50000,
+ 25000, or 13000.
+ - vdd-supply: phandle to the regulator that provides power to the sensor.
+ - vddio-supply: phandle to the regulator that provides power to the bus.
+ - interrupts: the sole interrupt generated by the device
+
+ Refer to interrupt-controller/interrupts.txt for generic interrupt client
+ node bindings.
+
+Example:
+
+tsl2772@39 {
+ compatible = "amstaos,tsl2772";
+ reg = <0x39>;
+ interrupts-extended = <&msmgpio 61 IRQ_TYPE_EDGE_FALLING>;
+ vdd-supply = <&pm8941_l17>;
+ vddio-supply = <&pm8941_lvs1>;
+ amstaos,proximity-diodes = <0>;
+ led-max-microamp = <100000>;
+};
diff --git a/Documentation/devicetree/bindings/iio/proximity/vl53l0x.txt b/Documentation/devicetree/bindings/iio/proximity/vl53l0x.txt
new file mode 100644
index 000000000000..aac5f621f8dc
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/proximity/vl53l0x.txt
@@ -0,0 +1,12 @@
+ST VL53L0X ToF ranging sensor
+
+Required properties:
+ - compatible: must be "st,vl53l0x"
+ - reg: i2c address where to find the device
+
+Example:
+
+vl53l0x@29 {
+ compatible = "st,vl53l0x";
+ reg = <0x29>;
+};