Re: [PATCH v1 3/3] dt-bindings: iio: accel: add dt-binding schema for msa311 accel driver

From: Rob Herring
Date: Tue Apr 26 2022 - 16:31:10 EST


On Tue, Apr 19, 2022 at 03:45:58PM +0000, Rokosov Dmitry Dmitrievich wrote:
> Introduce devicetree binding json-schema for MSA311 tri-axial,
> low-g accelerometer driver.
>
> Signed-off-by: Dmitry Rokosov <ddrokosov@xxxxxxxxxxxxxx>
> ---
> .../bindings/iio/accel/memsensing,msa311.yaml | 64 ++++++++++++++++++++++
> MAINTAINERS | 1 +
> 2 files changed, 65 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/iio/accel/memsensing,msa311.yaml
>
> diff --git a/Documentation/devicetree/bindings/iio/accel/memsensing,msa311.yaml b/Documentation/devicetree/bindings/iio/accel/memsensing,msa311.yaml
> new file mode 100644
> index 00000000..3e4660f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/accel/memsensing,msa311.yaml
> @@ -0,0 +1,64 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/iio/accel/memsensing,msa311.yaml#";
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#";
> +
> +title: MEMSensing digital 3-Axis accelerometer
> +
> +maintainers:
> + - Dmitry Rokosov <ddrokosov@xxxxxxxxxxxxxx>
> +
> +description: |
> + MSA311 is a tri-axial, low-g accelerometer with I2C digital output for
> + sensitivity consumer applications. It has dynamical user selectable full
> + scales range of +-2g/+-4g/+-8g/+-16g and allows acceleration measurements
> + with output data rates from 1Hz to 1000Hz.
> + Datasheet can be found at following URL
> + https://cdn-shop.adafruit.com/product-files/5309/MSA311-V1.1-ENG.pdf
> +
> +properties:
> + compatible:
> + const: memsensing,msa311
> +

> + "#address-cells":
> + const: 1
> +
> + "#size-cells":
> + const: 0

These apply to 'reg' in a child node, but you don't have child nodes so
drop them.

> +
> + reg:
> + maxItems: 1
> + description: I2C registers address
> +
> + interrupts:
> + maxItems: 1
> + description: optional I2C int pin can be freely mapped to specific func
> +
> + interrupt-names:
> + const: irq
> +
> +required:
> + - compatible
> + - reg
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/gpio/gpio.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> + i2c0 {

i2c {

> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + msa311: msa311@62 {

accelerometer@62 {

> + compatible = "memsensing,msa311";
> + reg = <0x62>;
> + interrupt-parent = <&gpio_intc>;
> + interrupts = <29 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "irq";
> + status = "okay";
> + };
> + };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index c75be17..4227914 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -12482,6 +12482,7 @@ MEMSENSING MICROSYSTEMS MSA311 ACCELEROMETER DRIVER
> M: Dmitry Rokosov <ddrokosov@xxxxxxxxxxxxxx>
> L: linux-iio@xxxxxxxxxxxxxxx
> S: Maintained
> +F: Documentation/devicetree/bindings/iio/accel/memsensing,msa311.yaml
> F: drivers/iio/accel/msa311.c
>
> MEN A21 WATCHDOG DRIVER
> --
> 2.9.5
>