netdev - Re: [PATCH 1/4] dt-bindings: iio/accel: Drop duplicate adi, adxl345/6 from trivial-devices.yaml

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Message-ID: <20200327202159.GA12749@ravnborg.org>
Date:   Fri, 27 Mar 2020 21:21:59 +0100
From:   Sam Ravnborg <sam@...nborg.org>
To:     Rob Herring <robh@...nel.org>
Cc:     devicetree@...r.kernel.org,
        Neil Armstrong <narmstrong@...libre.com>,
        linux-iio@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Guillaume La Roque <glaroque@...libre.com>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Lee Jones <lee.jones@...aro.org>, linux-clk@...r.kernel.org,
        Kevin Hilman <khilman@...libre.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Brian Masney <masneyb@...tation.org>,
        Michael Hennerich <michael.hennerich@...log.com>,
        linux-pm@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-gpio@...r.kernel.org, Mark Brown <broonie@...nel.org>,
        linux-amlogic@...ts.infradead.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-arm-kernel@...ts.infradead.org,
        Stephen Boyd <sboyd@...nel.org>, netdev@...r.kernel.org,
        Liam Girdwood <lgirdwood@...il.com>,
        Hartmut Knaack <knaack.h@....de>, linux-media@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Jonathan Cameron <jic23@...nel.org>
Subject: Re: [PATCH 1/4] dt-bindings: iio/accel: Drop duplicate adi,
 adxl345/6 from trivial-devices.yaml

Hi Rob.

On Wed, Mar 25, 2020 at 04:05:38PM -0600, Rob Herring wrote:
> The 'adi,adxl345' definition is a duplicate as there's a full binding in:
> Documentation/devicetree/bindings/iio/accel/adi,adxl345.yaml
> 
> The trivial-devices binding doesn't capture that 'adi,adxl346' has a
> fallback compatible 'adi,adxl345', so let's add it to adi,adxl345.yaml.
> 
> Cc: Michael Hennerich <michael.hennerich@...log.com>
> Cc: Jonathan Cameron <jic23@...nel.org>
> Cc: Hartmut Knaack <knaack.h@....de>
> Cc: Lars-Peter Clausen <lars@...afoo.de>
> Cc: Peter Meerwald-Stadler <pmeerw@...erw.net>
> Cc: linux-iio@...r.kernel.org
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
>  .../devicetree/bindings/iio/accel/adi,adxl345.yaml     | 10 +++++++---
>  Documentation/devicetree/bindings/trivial-devices.yaml |  4 ----
>  2 files changed, 7 insertions(+), 7 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/iio/accel/adi,adxl345.yaml b/Documentation/devicetree/bindings/iio/accel/adi,adxl345.yaml
> index c602b6fe1c0c..d124eba1ce54 100644
> --- a/Documentation/devicetree/bindings/iio/accel/adi,adxl345.yaml
> +++ b/Documentation/devicetree/bindings/iio/accel/adi,adxl345.yaml
> @@ -17,9 +17,13 @@ description: |
>  
>  properties:
>    compatible:
> -    enum:
> -      - adi,adxl345
> -      - adi,adxl375
> +    oneOf:
> +      - items:
> +          - const: adi,adxl346
> +          - const: adi,adxl345
> +      - enum:
> +          - adi,adxl345
> +          - adi,adxl375

I assume it is my schema understanding that is poor.
But I cannot parse the above.

The mix of items, enum and const confuses me.

I guess that if I am confused then others may end in the same situation.
Can we improve readability here or amybe add a comment?

	Sam

>  
>    reg:
>      maxItems: 1
> diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
> index 978de7d37c66..51d1f6e43c02 100644
> --- a/Documentation/devicetree/bindings/trivial-devices.yaml
> +++ b/Documentation/devicetree/bindings/trivial-devices.yaml
> @@ -42,10 +42,6 @@ properties:
>            - adi,adt7476
>              # +/-1C TDM Extended Temp Range I.C
>            - adi,adt7490
> -            # Three-Axis Digital Accelerometer
> -          - adi,adxl345
> -            # Three-Axis Digital Accelerometer (backward-compatibility value "adi,adxl345" must be listed too)
> -          - adi,adxl346
>              # AMS iAQ-Core VOC Sensor
>            - ams,iaq-core
>              # i2c serial eeprom  (24cxx)
> -- 
> 2.20.1
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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