diff options
Diffstat (limited to 'Documentation/devicetree')
12 files changed, 215 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/iio/accel/adxl345.txt b/Documentation/devicetree/bindings/iio/accel/adxl345.txt new file mode 100644 index 0000000..e7111b0 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/accel/adxl345.txt @@ -0,0 +1,38 @@ +Analog Devices ADXL345 3-Axis, +/-(2g/4g/8g/16g) Digital Accelerometer + +http://www.analog.com/en/products/mems/accelerometers/adxl345.html + +Required properties: + - compatible : should be "adi,adxl345" + - reg : the I2C address or SPI chip select number of the sensor + +Required properties for SPI bus usage: + - spi-max-frequency : set maximum clock frequency, must be 5000000 + - spi-cpol and spi-cpha : must be defined for adxl345 to enable SPI mode 3 + +Optional properties: + - interrupt-parent : phandle to the parent interrupt controller as documented + in Documentation/devicetree/bindings/interrupt-controller/interrupts.txt + - interrupts: interrupt mapping for IRQ as documented in + Documentation/devicetree/bindings/interrupt-controller/interrupts.txt + +Example for a I2C device node: + + accelerometer@2a { + compatible = "adi,adxl345"; + reg = <0x53>; + interrupt-parent = <&gpio1>; + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; + }; + +Example for a SPI device node: + + accelerometer@0 { + compatible = "adi,adxl345"; + reg = <0>; + spi-max-frequency = <5000000>; + spi-cpol; + spi-cpha; + interrupt-parent = <&gpio1>; + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; + }; diff --git a/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt b/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt index f9e3ff2..0471891 100644 --- a/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt +++ b/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt @@ -7,6 +7,7 @@ Required properties: - "amlogic,meson-gxm-saradc" for GXM along with the generic "amlogic,meson-saradc" - reg: the physical base address and length of the registers +- interrupts: the interrupt indicating end of sampling - clocks: phandle and clock identifier (see clock-names) - clock-names: mandatory clocks: - "clkin" for the reference clock (typically XTAL) @@ -23,6 +24,7 @@ Example: compatible = "amlogic,meson-gxl-saradc", "amlogic,meson-saradc"; #io-channel-cells = <1>; reg = <0x0 0x8680 0x0 0x34>; + interrupts = <GIC_SPI 73 IRQ_TYPE_EDGE_RISING>; clocks = <&xtal>, <&clkc CLKID_SAR_ADC>, <&clkc CLKID_SANA>, diff --git a/Documentation/devicetree/bindings/iio/adc/aspeed_adc.txt b/Documentation/devicetree/bindings/iio/adc/aspeed_adc.txt new file mode 100644 index 0000000..674e133 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/aspeed_adc.txt @@ -0,0 +1,20 @@ +Aspeed ADC + +This device is a 10-bit converter for 16 voltage channels. All inputs are +single ended. + +Required properties: +- compatible: Should be "aspeed,ast2400-adc" or "aspeed,ast2500-adc" +- reg: memory window mapping address and length +- clocks: Input clock used to derive the sample clock. Expected to be the + SoC's APB clock. +- #io-channel-cells: Must be set to <1> to indicate channels are selected + by index. + +Example: + adc@1e6e9000 { + compatible = "aspeed,ast2400-adc"; + reg = <0x1e6e9000 0xb0>; + clocks = <&clk_apb>; + #io-channel-cells = <1>; + }; diff --git a/Documentation/devicetree/bindings/iio/adc/cpcap-adc.txt b/Documentation/devicetree/bindings/iio/adc/cpcap-adc.txt new file mode 100644 index 0000000..487ea96 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/cpcap-adc.txt @@ -0,0 +1,18 @@ +Motorola CPCAP PMIC ADC binding + +Required properties: +- compatible: Should be "motorola,cpcap-adc" or "motorola,mapphone-cpcap-adc" +- interrupt-parent: The interrupt controller +- interrupts: The interrupt number for the ADC device +- interrupt-names: Should be "adcdone" +- #io-channel-cells: Number of cells in an IIO specifier + +Example: + +cpcap_adc: adc { + compatible = "motorola,mapphone-cpcap-adc"; + interrupt-parent = <&cpcap>; + interrupts = <8 IRQ_TYPE_NONE>; + interrupt-names = "adcdone"; + #io-channel-cells = <1>; +}; diff --git a/Documentation/devicetree/bindings/iio/adc/ltc2497.txt b/Documentation/devicetree/bindings/iio/adc/ltc2497.txt new file mode 100644 index 0000000..a237ed9 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/ltc2497.txt @@ -0,0 +1,13 @@ +* Linear Technology / Analog Devices LTC2497 ADC + +Required properties: + - compatible: Must be "lltc,ltc2497" + - reg: Must contain the ADC I2C address + - vref-supply: The regulator supply for ADC reference voltage + +Example: + ltc2497: adc@76 { + compatible = "lltc,ltc2497"; + reg = <0x76>; + vref-supply = <<c2497_reg>; + }; diff --git a/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt b/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt index 205593f..e0a9b9d 100644 --- a/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt +++ b/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt @@ -4,6 +4,7 @@ Required properties: - compatible: should be "rockchip,<name>-saradc" or "rockchip,rk3066-tsadc" - "rockchip,saradc": for rk3188, rk3288 - "rockchip,rk3066-tsadc": for rk3036 + - "rockchip,rk3328-saradc", "rockchip,rk3399-saradc": for rk3328 - "rockchip,rk3399-saradc": for rk3399 - reg: physical base address of the controller and length of memory mapped diff --git a/Documentation/devicetree/bindings/iio/dac/ltc2632.txt b/Documentation/devicetree/bindings/iio/dac/ltc2632.txt new file mode 100644 index 0000000..eb911e5 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dac/ltc2632.txt @@ -0,0 +1,23 @@ +Linear Technology LTC2632 DAC device driver + +Required properties: + - compatible: Has to contain one of the following: + lltc,ltc2632-l12 + lltc,ltc2632-l10 + lltc,ltc2632-l8 + lltc,ltc2632-h12 + lltc,ltc2632-h10 + lltc,ltc2632-h8 + +Property rules described in Documentation/devicetree/bindings/spi/spi-bus.txt +apply. In particular, "reg" and "spi-max-frequency" properties must be given. + +Example: + + spi_master { + dac: ltc2632@0 { + compatible = "lltc,ltc2632-l12"; + reg = <0>; /* CS0 */ + spi-max-frequency = <1000000>; + }; + }; diff --git a/Documentation/devicetree/bindings/iio/health/max30102.txt b/Documentation/devicetree/bindings/iio/health/max30102.txt new file mode 100644 index 0000000..c695e7c --- /dev/null +++ b/Documentation/devicetree/bindings/iio/health/max30102.txt @@ -0,0 +1,30 @@ +Maxim MAX30102 heart rate and pulse oximeter sensor + +* https://datasheets.maximintegrated.com/en/ds/MAX30102.pdf + +Required properties: + - compatible: must be "maxim,max30102" + - reg: the I2C address of the sensor + - interrupt-parent: should be the phandle for the interrupt controller + - interrupts: the sole interrupt generated by the device + + Refer to interrupt-controller/interrupts.txt for generic + interrupt client node bindings. + +Optional properties: + - maxim,red-led-current-microamp: configuration for RED LED current + - maxim,ir-led-current-microamp: configuration for IR LED current + + Note that each step is approximately 200 microamps, ranging from 0 uA to + 50800 uA. + +Example: + +max30100@57 { + compatible = "maxim,max30102"; + reg = <0x57>; + maxim,red-led-current-microamp = <7000>; + maxim,ir-led-current-microamp = <7000>; + interrupt-parent = <&gpio1>; + interrupts = <16 2>; +}; diff --git a/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt b/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt index a9fc11e..2b45145 100644 --- a/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt +++ b/Documentation/devicetree/bindings/iio/imu/inv_mpu6050.txt @@ -3,14 +3,21 @@ InvenSense MPU-6050 Six-Axis (Gyro + Accelerometer) MEMS MotionTracking Device http://www.invensense.com/mems/gyro/mpu6050.html Required properties: - - compatible : should be "invensense,mpu6050" + - compatible : should be one of + "invensense,mpu6050" + "invensense,mpu6500" + "invensense,mpu9150" + "invensense,mpu9250" + "invensense,icm20608" - reg : the I2C address of the sensor - 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 - + - i2c-gate node. These devices also support an auxiliary i2c bus. This is + simple enough to be described using the i2c-gate binding. See + i2c/i2c-gate.txt for more details. Example: mpu6050@68 { @@ -28,3 +35,19 @@ Example: "0", /* y2 */ "0.984807753012208"; /* z2 */ }; + + + mpu9250@68 { + compatible = "invensense,mpu9250"; + reg = <0x68>; + interrupt-parent = <&gpio3>; + interrupts = <21 1>; + i2c-gate { + #address-cells = <1>; + #size-cells = <0>; + ax8975@c { + compatible = "ak,ak8975"; + reg = <0x0c>; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt b/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt index cf81afd..8305fb0 100644 --- a/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt +++ b/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt @@ -3,6 +3,8 @@ Required properties: - compatible: must be one of: "st,lsm6ds3" + "st,lsm6ds3h" + "st,lsm6dsl" "st,lsm6dsm" - reg: i2c address of the sensor / spi cs line diff --git a/Documentation/devicetree/bindings/iio/light/vl6180.txt b/Documentation/devicetree/bindings/iio/light/vl6180.txt new file mode 100644 index 0000000..2c52952 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/light/vl6180.txt @@ -0,0 +1,15 @@ +STMicro VL6180 - ALS, range and proximity sensor + +Link to datasheet: http://www.st.com/resource/en/datasheet/vl6180x.pdf + +Required properties: + + -compatible: should be "st,vl6180" + -reg: the I2C address of the sensor + +Example: + +vl6180@29 { + compatible = "st,vl6180"; + reg = <0x29>; +}; diff --git a/Documentation/devicetree/bindings/iio/proximity/devantech-srf04.txt b/Documentation/devicetree/bindings/iio/proximity/devantech-srf04.txt new file mode 100644 index 0000000..d4dc7a2 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/proximity/devantech-srf04.txt @@ -0,0 +1,28 @@ +* Devantech SRF04 ultrasonic range finder + Bit-banging driver using two GPIOs + +Required properties: + - compatible: Should be "devantech,srf04" + + - trig-gpios: Definition of the GPIO for the triggering (output) + This GPIO is set for about 10 us by the driver to tell the + device it should initiate the measurement cycle. + + - echo-gpios: Definition of the GPIO for the echo (input) + This GPIO is set by the device as soon as an ultrasonic + burst is sent out and reset when the first echo is + received. + Thus this GPIO is set while the ultrasonic waves are doing + one round trip. + It needs to be an GPIO which is able to deliver an + interrupt because the time between two interrupts is + measured in the driver. + See Documentation/devicetree/bindings/gpio/gpio.txt for + information on how to specify a consumer gpio. + +Example: +srf04@0 { + compatible = "devantech,srf04"; + trig-gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>; + echo-gpios = <&gpio2 6 GPIO_ACTIVE_HIGH>; +}; |
