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Date:   Tue, 26 Apr 2022 15:31:05 -0500
From:   Rob Herring <robh@kernel.org>
To:     Rokosov Dmitry Dmitrievich <DDRokosov@sberdevices.ru>
Cc:     "stano.jakubek@gmail.com" <stano.jakubek@gmail.com>,
        "shawnguo@kernel.org" <shawnguo@kernel.org>,
        "jic23@kernel.org" <jic23@kernel.org>,
        "lars@metafoo.de" <lars@metafoo.de>,
        "andy.shevchenko@gmail.com" <andy.shevchenko@gmail.com>,
        "stephan@gerhold.net" <stephan@gerhold.net>,
        "linux-iio@vger.kernel.org" <linux-iio@vger.kernel.org>,
        "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
        kernel <kernel@sberdevices.ru>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v1 3/3] dt-bindings: iio: accel: add dt-binding schema
 for msa311 accel driver
Message-ID: <YmhWic3rG8ERtCYY@robh.at.kernel.org>
References: <20220419154555.24191-1-ddrokosov@sberdevices.ru>
 <20220419154555.24191-4-ddrokosov@sberdevices.ru>
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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@sberdevices.ru>
> ---
>  .../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@sberdevices.ru>
> +
> +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@sberdevices.ru>
>  L:	linux-iio@vger.kernel.org
>  S:	Maintained
> +F:	Documentation/devicetree/bindings/iio/accel/memsensing,msa311.yaml
>  F:	drivers/iio/accel/msa311.c
>  
>  MEN A21 WATCHDOG DRIVER
> -- 
> 2.9.5
>