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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
dt-bindings:iio:imu:st,lsm6dsx: txt to yaml conversion
Straight forward conversion, but there are a few generic properties
in here like wakeup-source which should probably have schema in a
more generic location.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Cc: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/20201031184854.745828-13-jic23@kernel.org
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Documentation/devicetree/bindings/iio/imu/st,lsm6dsx.yaml
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Documentation/devicetree/bindings/iio/imu/st,lsm6dsx.yaml
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/iio/imu/st,lsm6dsx.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: STM 6-axis (acc + gyro) IMU Mems sensors
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maintainers:
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- Lorenzo Bianconi <lorenzo@kernel.org>
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description:
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Devices have both I2C and SPI interfaces.
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properties:
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compatible:
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enum:
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- st,lsm6ds3
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- st,lsm6ds3h
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- st,lsm6dsl
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- st,lsm6dsm
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- st,ism330dlc
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- st,lsm6dso
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- st,asm330lhh
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- st,lsm6dsox
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- st,lsm6dsr
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- st,lsm6ds3tr-c
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- st,ism330dhcx
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- st,lsm9ds1-imu
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- st,lsm6ds0
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- st,lsm6dsrx
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- st,lsm6dst
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reg:
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maxItems: 1
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interrupts:
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minItems: 1
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maxItems: 2
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description:
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Supports up to 2 interrupt lines via the INT1 and INT2 pins.
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spi-max-frequency: true
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st,drdy-int-pin:
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$ref: '/schemas/types.yaml#/definitions/uint32'
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description: |
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The pin on the package that will be used to signal data ready
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enum:
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- 1
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- 2
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st,pullups:
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type: boolean
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description: enable/disable internal i2c controller pullup resistors.
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drive-open-drain:
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type: boolean
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description:
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The interrupt/data ready line will be configured as open drain, which
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is useful if several sensors share the same interrupt line.
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wakeup-source:
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$ref: /schemas/types.yaml#/definitions/flag
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additionalProperties: false
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required:
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- compatible
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- reg
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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imu@6b {
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compatible = "st,lsm6dsm";
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reg = <0x6b>;
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interrupt-parent = <&gpio0>;
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interrupts = <0 IRQ_TYPE_EDGE_RISING>;
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};
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};
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...
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Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt
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Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt
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* ST_LSM6DSx driver for STM 6-axis (acc + gyro) imu Mems sensors
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Required properties:
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- compatible: must be one of:
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"st,lsm6ds3"
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"st,lsm6ds3h"
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"st,lsm6dsl"
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"st,lsm6dsm"
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"st,ism330dlc"
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"st,lsm6dso"
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"st,asm330lhh"
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"st,lsm6dsox"
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"st,lsm6dsr"
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"st,lsm6ds3tr-c"
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"st,ism330dhcx"
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"st,lsm9ds1-imu"
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"st,lsm6ds0"
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"st,lsm6dsrx"
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"st,lsm6dst"
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- reg: i2c address of the sensor / spi cs line
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-
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Optional properties:
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- st,drdy-int-pin: the pin on the package that will be used to signal
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"data ready" (valid values: 1 or 2).
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- st,pullups : enable/disable internal i2c controller pullup resistors.
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- drive-open-drain: the interrupt/data ready line will be configured
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as open drain, which is useful if several sensors share the same
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interrupt line. This is a boolean property.
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(This binding is taken from pinctrl/pinctrl-bindings.txt)
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If the requested interrupt is configured as IRQ_TYPE_LEVEL_HIGH or
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IRQ_TYPE_EDGE_RISING a pull-down resistor is needed to drive the line
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when it is not active, whereas a pull-up one is needed when interrupt
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line is configured as IRQ_TYPE_LEVEL_LOW or IRQ_TYPE_EDGE_FALLING.
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- interrupts: interrupt mapping for IRQ. It should be configured with
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flags IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_EDGE_RISING, IRQ_TYPE_LEVEL_LOW or
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IRQ_TYPE_EDGE_FALLING.
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- wakeup-source: Enables wake up of host system on event.
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-
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Refer to interrupt-controller/interrupts.txt for generic interrupt
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client node bindings.
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Example:
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lsm6dsm@6b {
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compatible = "st,lsm6dsm";
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reg = <0x6b>;
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interrupt-parent = <&gpio0>;
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interrupts = <0 IRQ_TYPE_EDGE_RISING>;
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};