linux-kernel - Re: [PATCH 1/2] dt-bindings: iio: adc: Introduce ADS7138

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Message-ID: <20241115173657.GA3440948-robh@kernel.org>
Date: Fri, 15 Nov 2024 11:36:57 -0600
From: Rob Herring <robh@...nel.org>
To: "Sperling, Tobias" <Tobias.Sperling@...ting.com>
Cc: "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"jic23@...nel.org" <jic23@...nel.org>,
	"lars@...afoo.de" <lars@...afoo.de>,
	"krzk+dt@...nel.org" <krzk+dt@...nel.org>,
	"conor+dt@...nel.org" <conor+dt@...nel.org>
Subject: Re: [PATCH 1/2] dt-bindings: iio: adc: Introduce ADS7138

On Wed, Nov 13, 2024 at 02:41:08PM +0000, Sperling, Tobias wrote:
> >From 6a06973e1023ca6a128c8d426b4c87887117c084 Mon Sep 17 00:00:00 2001
> From: Tobias Sperling <tobias.sperling@...ting.com>
> Date: Wed, 13 Nov 2024 14:52:49 +0100
> Subject: [PATCH 1/2] dt-bindings: iio: adc: Introduce ADS7138

Your patch is corrupted.

> 
> Add documentation for the driver of ADS7128 and ADS7138 12-bit, 8-channel
> analog-to-digital converters. These ADCs have a wide operating range and
> a wide feature set. Communication is based on the I2C interface.
> 
> Signed-off-by: Tobias Sperling <tobias.sperling@...ting.com>
> ---
>  .../bindings/iio/adc/ti,ads7138.yaml          | 60 +++++++++++++++++++
>  1 file changed, 60 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/adc/ti,ads7138.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/ti,ads7138.yaml b/Documentation/devicetree/bindings/iio/adc/ti,ads7138.yaml
> new file mode 100644
> index 000000000000..c70ad5747828
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/ti,ads7138.yaml
> @@ -0,0 +1,60 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/adc/ti,ads7138.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Texas Instruments ADS7128/ADS7138 Analog to Digital Converter (ADC)
> +
> +maintainers:
> +  - Tobias Sperling <tobias.sperling@...ting.com>
> +
> +description: |
> +  The ADS7128 is 12-Bit, 8-Channel Sampling Analog to Digital Converter (ADC)
> +  with an I2C interface.
> +
> +  Datasheets:
> +    https://www.ti.com/product/ADS7128
> +    https://www.ti.com/product/ADS7138
> +
> +properties:
> +  compatible:
> +    enum:
> +      - ti,ads7128
> +      - ti,ads7138

What's the difference between the 2?

> +
> +  reg:
> +    maxItems: 1
> +
> +  avdd-supply:
> +    description:
> +      The regulator used as analog supply voltage as well as reference voltage.
> +
> +  interrupts:
> +    description:
> +      Interrupt on ALERT pin, triggers on low level.
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - avdd-supply
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        adc@10 {
> +            compatible = "ti,ads7138";
> +            reg = <0x10>;
> +            avdd-supply = <&reg_stb_3v3>;
> +            interrupt-parent = <&gpio2>;
> +            interrupts = <12 IRQ_TYPE_LEVEL_LOW>;
> +        };
> +    };
> +...
> -- 
> 2.34.1
>