diff options
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/iio/adc/mxs-lradc.txt (renamed from Documentation/devicetree/bindings/staging/iio/adc/mxs-lradc.txt) | 0 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/iio/dac/ad5592r.txt | 155 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt | 13 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/iio/magnetometer/ak8975.txt | 10 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/iio/potentiometer/ds1803.txt | 21 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/iio/pressure/hp03.txt | 17 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/iio/st-sensors.txt | 5 |
7 files changed, 221 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/staging/iio/adc/mxs-lradc.txt b/Documentation/devicetree/bindings/iio/adc/mxs-lradc.txt index 555fb117d4fa..555fb117d4fa 100644 --- a/Documentation/devicetree/bindings/staging/iio/adc/mxs-lradc.txt +++ b/Documentation/devicetree/bindings/iio/adc/mxs-lradc.txt diff --git a/Documentation/devicetree/bindings/iio/dac/ad5592r.txt b/Documentation/devicetree/bindings/iio/dac/ad5592r.txt new file mode 100644 index 000000000000..989f96f31c66 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dac/ad5592r.txt @@ -0,0 +1,155 @@ +Analog Devices AD5592R/AD5593R DAC/ADC device driver + +Required properties for the AD5592R: + - compatible: Must be "adi,ad5592r" + - reg: SPI chip select number for the device + - spi-max-frequency: Max SPI frequency to use (< 30000000) + - spi-cpol: The AD5592R requires inverse clock polarity (CPOL) mode + +Required properties for the AD5593R: + - compatible: Must be "adi,ad5593r" + - reg: I2C address of the device + +Required properties for all supported chips: + - #address-cells: Should be 1. + - #size-cells: Should be 0. + - channel nodes: + Each child node represents one channel and has the following + Required properties: + * reg: Pin on which this channel is connected to. + * adi,mode: Mode or function of this channel. + Macros specifying the valid values + can be found in <dt-bindings/iio/adi,ad5592r.h>. + + The following values are currently supported: + * CH_MODE_UNUSED (the pin is unused) + * CH_MODE_ADC (the pin is ADC input) + * CH_MODE_DAC (the pin is DAC output) + * CH_MODE_DAC_AND_ADC (the pin is DAC output + but can be monitored by an ADC, since + there is no disadvantage this + this should be considered as the + preferred DAC mode) + * CH_MODE_GPIO (the pin is registered + with GPIOLIB) + Optional properties: + * adi,off-state: State of this channel when unused or the + device gets removed. Macros specifying the + valid values can be found in + <dt-bindings/iio/adi,ad5592r.h>. + + * CH_OFFSTATE_PULLDOWN (the pin is pulled down) + * CH_OFFSTATE_OUT_LOW (the pin is output low) + * CH_OFFSTATE_OUT_HIGH (the pin is output high) + * CH_OFFSTATE_OUT_TRISTATE (the pin is + tristated output) + + +Optional properties: + - vref-supply: Phandle to the external reference voltage supply. This should + only be set if there is an external reference voltage connected to the VREF + pin. If the property is not set the internal 2.5V reference is used. + - reset-gpios : GPIO spec for the RESET pin. If specified, it will be + asserted during driver probe. + - gpio-controller: Marks the device node as a GPIO controller. + - #gpio-cells: Should be 2. The first cell is the GPIO number and the second + cell specifies GPIO flags, as defined in <dt-bindings/gpio/gpio.h>. + +AD5592R Example: + + #include <dt-bindings/iio/adi,ad5592r.h> + + vref: regulator-vref { + compatible = "regulator-fixed"; + regulator-name = "vref-ad559x"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + + ad5592r@0 { + #size-cells = <0>; + #address-cells = <1>; + #gpio-cells = <2>; + compatible = "adi,ad5592r"; + reg = <0>; + + spi-max-frequency = <1000000>; + spi-cpol; + + vref-supply = <&vref>; /* optional */ + reset-gpios = <&gpio0 86 0>; /* optional */ + gpio-controller; + + channel@0 { + reg = <0>; + adi,mode = <CH_MODE_DAC>; + }; + channel@1 { + reg = <1>; + adi,mode = <CH_MODE_ADC>; + }; + channel@2 { + reg = <2>; + adi,mode = <CH_MODE_DAC_AND_ADC>; + }; + channel@3 { + reg = <3>; + adi,mode = <CH_MODE_DAC_AND_ADC>; + adi,off-state = <CH_OFFSTATE_PULLDOWN>; + }; + channel@4 { + reg = <4>; + adi,mode = <CH_MODE_UNUSED>; + adi,off-state = <CH_OFFSTATE_PULLDOWN>; + }; + channel@5 { + reg = <5>; + adi,mode = <CH_MODE_GPIO>; + adi,off-state = <CH_OFFSTATE_PULLDOWN>; + }; + channel@6 { + reg = <6>; + adi,mode = <CH_MODE_GPIO>; + adi,off-state = <CH_OFFSTATE_PULLDOWN>; + }; + channel@7 { + reg = <7>; + adi,mode = <CH_MODE_GPIO>; + adi,off-state = <CH_OFFSTATE_PULLDOWN>; + }; + }; + +AD5593R Example: + + #include <dt-bindings/iio/adi,ad5592r.h> + + ad5593r@10 { + #size-cells = <0>; + #address-cells = <1>; + #gpio-cells = <2>; + compatible = "adi,ad5593r"; + reg = <0x10>; + gpio-controller; + + channel@0 { + reg = <0>; + adi,mode = <CH_MODE_DAC>; + adi,off-state = <CH_OFFSTATE_PULLDOWN>; + }; + channel@1 { + reg = <1>; + adi,mode = <CH_MODE_ADC>; + adi,off-state = <CH_OFFSTATE_PULLDOWN>; + }; + channel@2 { + reg = <2>; + adi,mode = <CH_MODE_DAC_AND_ADC>; + adi,off-state = <CH_OFFSTATE_PULLDOWN>; + }; + channel@6 { + reg = <6>; + adi,mode = <CH_MODE_GPIO>; + adi,off-state = <CH_OFFSTATE_PULLDOWN>; + }; + }; diff --git a/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt b/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt index e4d8f1c52f4a..a9fc11e43b45 100644 --- a/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt +++ b/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt @@ -8,10 +8,23 @@ Required properties: - interrupt-parent : should be the phandle for the interrupt controller - interrupts : interrupt mapping for GPIO IRQ +Optional properties: + - mount-matrix: an optional 3x3 mounting rotation matrix + + Example: mpu6050@68 { compatible = "invensense,mpu6050"; reg = <0x68>; interrupt-parent = <&gpio1>; interrupts = <18 1>; + mount-matrix = "-0.984807753012208", /* x0 */ + "0", /* y0 */ + "-0.173648177666930", /* z0 */ + "0", /* x1 */ + "-1", /* y1 */ + "0", /* z1 */ + "-0.173648177666930", /* x2 */ + "0", /* y2 */ + "0.984807753012208"; /* z2 */ }; diff --git a/Documentation/devicetree/bindings/iio/magnetometer/ak8975.txt b/Documentation/devicetree/bindings/iio/magnetometer/ak8975.txt index 34a3206eefdf..e1e7dd3259f6 100644 --- a/Documentation/devicetree/bindings/iio/magnetometer/ak8975.txt +++ b/Documentation/devicetree/bindings/iio/magnetometer/ak8975.txt @@ -9,6 +9,7 @@ Optional properties: - gpios : should be device tree identifier of the magnetometer DRDY pin - vdd-supply: an optional regulator that needs to be on to provide VDD + - mount-matrix: an optional 3x3 mounting rotation matrix Example: @@ -17,4 +18,13 @@ ak8975@0c { reg = <0x0c>; gpios = <&gpj0 7 0>; vdd-supply = <&ldo_3v3_gnss>; + mount-matrix = "-0.984807753012208", /* x0 */ + "0", /* y0 */ + "-0.173648177666930", /* z0 */ + "0", /* x1 */ + "-1", /* y1 */ + "0", /* z1 */ + "-0.173648177666930", /* x2 */ + "0", /* y2 */ + "0.984807753012208"; /* z2 */ }; diff --git a/Documentation/devicetree/bindings/iio/potentiometer/ds1803.txt b/Documentation/devicetree/bindings/iio/potentiometer/ds1803.txt new file mode 100644 index 000000000000..df77bf552656 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/potentiometer/ds1803.txt @@ -0,0 +1,21 @@ +* Maxim Integrated DS1803 digital potentiometer driver + +The node for this driver must be a child node of a I2C controller, hence +all mandatory properties for your controller must be specified. See directory: + + Documentation/devicetree/bindings/i2c + +for more details. + +Required properties: + - compatible: Must be one of the following, depending on the + model: + "maxim,ds1803-010", + "maxim,ds1803-050", + "maxim,ds1803-100" + +Example: +ds1803: ds1803@1 { + reg = <0x28>; + compatible = "maxim,ds1803-010"; +}; diff --git a/Documentation/devicetree/bindings/iio/pressure/hp03.txt b/Documentation/devicetree/bindings/iio/pressure/hp03.txt new file mode 100644 index 000000000000..54e7e70bcea5 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/pressure/hp03.txt @@ -0,0 +1,17 @@ +HopeRF HP03 digital pressure/temperature sensors + +Required properties: +- compatible: must be "hoperf,hp03" +- xclr-gpio: must be device tree identifier of the XCLR pin. + The XCLR pin is a reset of the ADC in the chip, + it must be pulled HI before the conversion and + readout of the value from the ADC registers and + pulled LO afterward. + +Example: + +hp03@0x77 { + compatible = "hoperf,hp03"; + reg = <0x77>; + xclr-gpio = <&portc 0 0x0>; +}; diff --git a/Documentation/devicetree/bindings/iio/st-sensors.txt b/Documentation/devicetree/bindings/iio/st-sensors.txt index 71b7bdff21cd..5844cf72862d 100644 --- a/Documentation/devicetree/bindings/iio/st-sensors.txt +++ b/Documentation/devicetree/bindings/iio/st-sensors.txt @@ -16,6 +16,10 @@ Optional properties: - st,drdy-int-pin: the pin on the package that will be used to signal "data ready" (valid values: 1 or 2). This property is not configurable on all sensors. +- drive-open-drain: the interrupt/data ready line will be configured + as open drain, which is useful if several sensors share the same + interrupt line. (This binding is taken from pinctrl/pinctrl-bindings.txt) + This is a boolean property. Sensors may also have applicable pin control settings, those use the standard bindings from pinctrl/pinctrl-bindings.txt. @@ -47,6 +51,7 @@ Gyroscopes: - st,l3gd20-gyro - st,l3g4is-gyro - st,lsm330-gyro +- st,lsm9ds0-gyro Magnetometers: - st,lsm303agr-magn |
