1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2*4882a593Smuzhiyun%YAML 1.2 3*4882a593Smuzhiyun--- 4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/iio/magnetometer/asahi-kasei,ak8975.yaml# 5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml# 6*4882a593Smuzhiyun 7*4882a593Smuzhiyuntitle: AsahiKASEI AK8975 magnetometer sensor 8*4882a593Smuzhiyun 9*4882a593Smuzhiyunmaintainers: 10*4882a593Smuzhiyun - Jonathan Albrieux <jonathan.albrieux@gmail.com> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyunproperties: 13*4882a593Smuzhiyun compatible: 14*4882a593Smuzhiyun oneOf: 15*4882a593Smuzhiyun - enum: 16*4882a593Smuzhiyun - asahi-kasei,ak8975 17*4882a593Smuzhiyun - asahi-kasei,ak8963 18*4882a593Smuzhiyun - asahi-kasei,ak09911 19*4882a593Smuzhiyun - asahi-kasei,ak09912 20*4882a593Smuzhiyun - enum: 21*4882a593Smuzhiyun - ak8975 22*4882a593Smuzhiyun - ak8963 23*4882a593Smuzhiyun - ak09911 24*4882a593Smuzhiyun - ak09912 25*4882a593Smuzhiyun deprecated: true 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun reg: 28*4882a593Smuzhiyun maxItems: 1 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun gpios: 31*4882a593Smuzhiyun maxItems: 1 32*4882a593Smuzhiyun description: | 33*4882a593Smuzhiyun AK8975 has a "Data ready" pin (DRDY) which informs that data 34*4882a593Smuzhiyun is ready to be read and is possible to listen on it. If used, 35*4882a593Smuzhiyun this should be active high. Prefer interrupt over this. 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun interrupts: 38*4882a593Smuzhiyun maxItems: 1 39*4882a593Smuzhiyun description: interrupt for DRDY pin. Triggered on rising edge. 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun vdd-supply: 42*4882a593Smuzhiyun description: | 43*4882a593Smuzhiyun an optional regulator that needs to be on to provide VDD power to 44*4882a593Smuzhiyun the sensor. 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun mount-matrix: 47*4882a593Smuzhiyun description: an optional 3x3 mounting rotation matrix. 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun reset-gpios: 50*4882a593Smuzhiyun description: | 51*4882a593Smuzhiyun an optional pin needed for AK09911 to set the reset state. This should 52*4882a593Smuzhiyun be usually active low 53*4882a593Smuzhiyun 54*4882a593Smuzhiyunrequired: 55*4882a593Smuzhiyun - compatible 56*4882a593Smuzhiyun - reg 57*4882a593Smuzhiyun 58*4882a593SmuzhiyunadditionalProperties: false 59*4882a593Smuzhiyun 60*4882a593Smuzhiyunexamples: 61*4882a593Smuzhiyun - | 62*4882a593Smuzhiyun #include <dt-bindings/interrupt-controller/irq.h> 63*4882a593Smuzhiyun #include <dt-bindings/gpio/gpio.h> 64*4882a593Smuzhiyun i2c { 65*4882a593Smuzhiyun #address-cells = <1>; 66*4882a593Smuzhiyun #size-cells = <0>; 67*4882a593Smuzhiyun 68*4882a593Smuzhiyun magnetometer@c { 69*4882a593Smuzhiyun compatible = "asahi-kasei,ak8975"; 70*4882a593Smuzhiyun reg = <0x0c>; 71*4882a593Smuzhiyun interrupt-parent = <&gpio6>; 72*4882a593Smuzhiyun interrupts = <15 IRQ_TYPE_EDGE_RISING>; 73*4882a593Smuzhiyun vdd-supply = <&ldo_3v3_gnss>; 74*4882a593Smuzhiyun reset-gpios = <&msmgpio 111 GPIO_ACTIVE_LOW>; 75*4882a593Smuzhiyun mount-matrix = "-0.984807753012208", /* x0 */ 76*4882a593Smuzhiyun "0", /* y0 */ 77*4882a593Smuzhiyun "-0.173648177666930", /* z0 */ 78*4882a593Smuzhiyun "0", /* x1 */ 79*4882a593Smuzhiyun "-1", /* y1 */ 80*4882a593Smuzhiyun "0", /* z1 */ 81*4882a593Smuzhiyun "-0.173648177666930", /* x2 */ 82*4882a593Smuzhiyun "0", /* y2 */ 83*4882a593Smuzhiyun "0.984807753012208"; /* z2 */ 84*4882a593Smuzhiyun }; 85*4882a593Smuzhiyun }; 86