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Date:   Fri, 1 Jul 2022 14:13:45 -0600
From:   Rob Herring <robh@kernel.org>
To:     Hakan Jansson <hakan.jansson@infineon.com>
Cc:     devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        Rob Herring <robh+dt@kernel.org>,
        Eric Dumazet <edumazet@google.com>,
        Johan Hedberg <johan.hedberg@gmail.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Luiz Augusto von Dentz <luiz.dentz@gmail.com>,
        netdev@vger.kernel.org, linux-bluetooth@vger.kernel.org,
        Marcel Holtmann <marcel@holtmann.org>,
        "David S. Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>
Subject: Re: [PATCH v2 2/5] dt-bindings: net: broadcom-bluetooth: Add
 conditional constraints
Message-ID: <20220701201345.GA1443626-robh@kernel.org>
References: <cover.1656583541.git.hakan.jansson@infineon.com>
 <3591c206eeccdacb8b4e702494d799792b752661.1656583541.git.hakan.jansson@infineon.com>
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On Thu, 30 Jun 2022 14:45:21 +0200, Hakan Jansson wrote:
> Add conditional constraint to make property "reset-gpios" available only
> for compatible devices acually having the reset pin.
> 
> Make property "brcm,requires-autobaud-mode" depend on property
> "shutdown-gpios" as the shutdown pin is required to enter autobaud mode.
> 
> I looked at all compatible devices and compiled the matrix below before
> formulating the conditional constraint. This was a pure paper exercise and
> no verification testing has been performed.
> 
>                                 d
>                                 e
>                                 v h
>                                 i o
>                                 c s
>                             s   e t
>                             h   - -
>                             u   w w       v
>                             t r a a     v d
>                             d e k k     b d
>                             o s e e     a i
>                             w e u u     t o
>                             n t p p     - -
>                             - - - -     s s
>                             g g g g     u u
>                             p p p p t   p p
>                             i i i i x l p p
>                             o o o o c p l l
>                             s s s s o o y y
>     ---------------------------------------
>     brcm,bcm20702a1         X X X X X X X X
>     brcm,bcm4329-bt         X X X X X X X X
>     brcm,bcm4330-bt         X X X X X X X X
>     brcm,bcm4334-bt         X - X X X X X X
>     brcm,bcm43438-bt        X - X X X X X X
>     brcm,bcm4345c5          X - X X X X X X
>     brcm,bcm43540-bt        X - X X X X X X
>     brcm,bcm4335a0          X - X X X X X X
>     brcm,bcm4349-bt         X - X X X X X X
>     infineon,cyw55572-bt    X - X X X X X X
> 
> Signed-off-by: Hakan Jansson <hakan.jansson@infineon.com>
> ---
> V1 -> V2:
>   - New patch added to series
> 
>  .../bindings/net/broadcom-bluetooth.yaml         | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 

Reviewed-by: Rob Herring <robh@kernel.org>