linux-kernel - Re: [PATCH 2/2] devicetree: hwmon: shtc1: Add sensirion,shtc1.yaml

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Message-ID: <00c1b143-46c4-2621-bd77-fa465fb77774@roeck-us.net>
Date:   Thu, 2 Jul 2020 22:49:54 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Chris Ruehl <chris.ruehl@...ys.com.hk>
Cc:     Jack Lo <jack.lo@...ys.com.hk>, devicetree@...r.kernel.org,
        Jean Delvare <jdelvare@...e.com>,
        Rob Herring <robh+dt@...nel.org>, linux-hwmon@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] devicetree: hwmon: shtc1: Add sensirion,shtc1.yaml

On 7/2/20 8:48 PM, Chris Ruehl wrote:
> Add documentation for the newly added DTS support in the shtc1 driver.
> 
> Signed-off-by: Chris Ruehl <chris.ruehl@...ys.com.hk>
> ---
>  .../bindings/hwmon/sensirion,shtc1.yaml       | 53 +++++++++++++++++++
>  1 file changed, 53 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/hwmon/sensirion,shtc1.yaml
> 
> diff --git a/Documentation/devicetree/bindings/hwmon/sensirion,shtc1.yaml b/Documentation/devicetree/bindings/hwmon/sensirion,shtc1.yaml
> new file mode 100644
> index 000000000000..e3e292bc6d7d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/sensirion,shtc1.yaml
> @@ -0,0 +1,53 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/hwmon/sensirion,shtc1.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Sensirion SHTC1 Humidity and Temperature Sensor IC
> +
> +maintainers:
> +  - jdelvare@...e.com
> +
> +description: |
> +  The SHTC1, SHTW1 and SHTC3 are digital humidity and temperature sensor
> +  designed especially for battery-driven high-volume consumer electronics
> +  applications.
> +  For further information refere to Documentation/hwmon/shtc1.rst
> +
> +  This binding document describes the binding for the hardware monitor
> +  portion of the driver.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - sensirion,shtc1
> +      - sensirion,shtw1
> +      - sensirion,shtc3
> +
> +  reg: I2C address 0x70
> +
> +Optional properties:
> +  sensirion,blocking_io: |
> +    u8, if > 0 the i2c bus hold until measure finished (default 0)
> +  sensirion,high_precision: |
> +    u8, if > 0 aquire data with high precision (default 1)
> +

Why u8 and not boolean ?

Guenter

> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +Example:
> +  &i2c1 {
> +    status = "okay";
> +    clock-frequency = <400000>;
> +
> +    shtc3@70 {
> +      compatible = "sensirion,shtc3";
> +      reg = <0x70>
> +      sensirion,blocking_io = <1>;
> +      status = "okay";
> +    };
> +  };
>