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diff --git a/Documentation/devicetree/bindings/iio/magnetometer/ak8974.txt b/Documentation/devicetree/bindings/iio/magnetometer/ak8974.txt new file mode 100644 index 000000000..7f06eff3b --- /dev/null +++ b/Documentation/devicetree/bindings/iio/magnetometer/ak8974.txt @@ -0,0 +1,31 @@ +* Asahi Kasei AK8974 magnetometer sensor + +Required properties: + +- compatible: + * "asahi-kasei,ak8974" + * "alps,hscdtd008a" +- reg : the I2C address of the magnetometer + +Optional properties: + +- avdd-supply: regulator supply for the analog voltage + (see regulator/regulator.txt) +- dvdd-supply: regulator supply for the digital voltage + (see regulator/regulator.txt) +- interrupts: data ready (DRDY) and interrupt (INT1) lines + from the chip, the DRDY interrupt must be placed first. + The interrupts can be triggered on rising or falling + edges alike. +- mount-matrix: an optional 3x3 mounting rotation matrix + +Example: + +ak8974@f { + compatible = "asahi-kasei,ak8974"; + reg = <0x0f>; + avdd-supply = <&foo_reg>; + dvdd-supply = <&bar_reg>; + interrupts = <0 IRQ_TYPE_EDGE_RISING>, + <1 IRQ_TYPE_EDGE_RISING>; +}; diff --git a/Documentation/devicetree/bindings/iio/magnetometer/asahi-kasei,ak8975.yaml b/Documentation/devicetree/bindings/iio/magnetometer/asahi-kasei,ak8975.yaml new file mode 100644 index 000000000..a25590a16 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/magnetometer/asahi-kasei,ak8975.yaml @@ -0,0 +1,85 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/magnetometer/asahi-kasei,ak8975.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: AsahiKASEI AK8975 magnetometer sensor + +maintainers: + - Jonathan Albrieux <jonathan.albrieux@gmail.com> + +properties: + compatible: + oneOf: + - enum: + - asahi-kasei,ak8975 + - asahi-kasei,ak8963 + - asahi-kasei,ak09911 + - asahi-kasei,ak09912 + - enum: + - ak8975 + - ak8963 + - ak09911 + - ak09912 + deprecated: true + + reg: + maxItems: 1 + + gpios: + maxItems: 1 + description: | + AK8975 has a "Data ready" pin (DRDY) which informs that data + is ready to be read and is possible to listen on it. If used, + this should be active high. Prefer interrupt over this. + + interrupts: + maxItems: 1 + description: interrupt for DRDY pin. Triggered on rising edge. + + vdd-supply: + description: | + an optional regulator that needs to be on to provide VDD power to + the sensor. + + mount-matrix: + description: an optional 3x3 mounting rotation matrix. + + reset-gpios: + description: | + an optional pin needed for AK09911 to set the reset state. This should + be usually active low + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/gpio/gpio.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + + magnetometer@c { + compatible = "asahi-kasei,ak8975"; + reg = <0x0c>; + interrupt-parent = <&gpio6>; + interrupts = <15 IRQ_TYPE_EDGE_RISING>; + vdd-supply = <&ldo_3v3_gnss>; + reset-gpios = <&msmgpio 111 GPIO_ACTIVE_LOW>; + 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/bmc150_magn.txt b/Documentation/devicetree/bindings/iio/magnetometer/bmc150_magn.txt new file mode 100644 index 000000000..22912e43b --- /dev/null +++ b/Documentation/devicetree/bindings/iio/magnetometer/bmc150_magn.txt @@ -0,0 +1,25 @@ +* Bosch BMC150 magnetometer sensor + +http://ae-bst.resource.bosch.com/media/products/dokumente/bmc150/BST-BMC150-DS000-04.pdf + +Required properties: + + - compatible : should be one of: + "bosch,bmc150_magn" + "bosch,bmc156_magn" + "bosch,bmm150" + "bosch,bmm150_magn" (DEPRECATED, use bosch,bmm150) + - reg : the I2C address of the magnetometer + +Optional properties: + + - interrupts : interrupt mapping for GPIO IRQ + +Example: + +bmc150_magn@12 { + compatible = "bosch,bmc150_magn"; + reg = <0x12>; + interrupt-parent = <&gpio1>; + interrupts = <0 1>; +}; diff --git a/Documentation/devicetree/bindings/iio/magnetometer/hmc5843.txt b/Documentation/devicetree/bindings/iio/magnetometer/hmc5843.txt new file mode 100644 index 000000000..8e191eef0 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/magnetometer/hmc5843.txt @@ -0,0 +1,21 @@ +* Honeywell HMC5843 magnetometer sensor + +Required properties: + + - compatible : should be "honeywell,hmc5843" + Other models which are supported with driver are: + "honeywell,hmc5883" + "honeywell,hmc5883l" + "honeywell,hmc5983" + - reg : the I2C address of the magnetometer - typically 0x1e + +Optional properties: + + - gpios : should be device tree identifier of the magnetometer DRDY pin + +Example: + +hmc5843@1e { + compatible = "honeywell,hmc5843" + reg = <0x1e>; +}; diff --git a/Documentation/devicetree/bindings/iio/magnetometer/mag3110.txt b/Documentation/devicetree/bindings/iio/magnetometer/mag3110.txt new file mode 100644 index 000000000..bdd40bcaa --- /dev/null +++ b/Documentation/devicetree/bindings/iio/magnetometer/mag3110.txt @@ -0,0 +1,27 @@ +* FREESCALE MAG3110 magnetometer sensor + +Required properties: + + - compatible : should be "fsl,mag3110" + - reg : the I2C address of the magnetometer + +Optional properties: + + - interrupts: the sole interrupt generated by the device + + Refer to interrupt-controller/interrupts.txt for generic interrupt client + node bindings. + + - vdd-supply: phandle to the regulator that provides power to the sensor. + - vddio-supply: phandle to the regulator that provides power to the sensor's IO. + +Example: + +magnetometer@e { + compatible = "fsl,mag3110"; + reg = <0x0e>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c3_mag3110_int>; + interrupt-parent = <&gpio3>; + interrupts = <16 IRQ_TYPE_EDGE_RISING>; +}; diff --git a/Documentation/devicetree/bindings/iio/magnetometer/mmc35240.txt b/Documentation/devicetree/bindings/iio/magnetometer/mmc35240.txt new file mode 100644 index 000000000..a01235c7f --- /dev/null +++ b/Documentation/devicetree/bindings/iio/magnetometer/mmc35240.txt @@ -0,0 +1,13 @@ +* MEMSIC MMC35240 magnetometer sensor + +Required properties: + + - compatible : should be "memsic,mmc35240" + - reg : the I2C address of the magnetometer + +Example: + +mmc35240@30 { + compatible = "memsic,mmc35240"; + reg = <0x30>; +}; diff --git a/Documentation/devicetree/bindings/iio/magnetometer/pni,rm3100.txt b/Documentation/devicetree/bindings/iio/magnetometer/pni,rm3100.txt new file mode 100644 index 000000000..497c932e9 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/magnetometer/pni,rm3100.txt @@ -0,0 +1,20 @@ +* PNI RM3100 3-axis magnetometer sensor + +Required properties: + +- compatible : should be "pni,rm3100" +- reg : the I2C address or SPI chip select number of the sensor. + +Optional properties: + +- interrupts: data ready (DRDY) from the chip. + The interrupts can be triggered on level high. + +Example: + +rm3100: rm3100@20 { + compatible = "pni,rm3100"; + reg = <0x20>; + interrupt-parent = <&gpio0>; + interrupts = <4 IRQ_TYPE_LEVEL_HIGH>; +}; |