linux-kernel - Re: [net-next PATCH v4 10/13] dt-bindings: net: dsa: qca8k: document open drain binding

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Date:   Sun, 10 Oct 2021 15:54:59 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     Ansuel Smith <ansuelsmth@...il.com>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [net-next PATCH v4 10/13] dt-bindings: net: dsa: qca8k: document
 open drain binding

On Sun, Oct 10, 2021 at 01:15:53PM +0200, Ansuel Smith wrote:
> Document new binding qca,power_on_sel used to enable Power-on-strapping
> select reg and qca,led_open_drain to set led to open drain mode.

Please spend 5 minutes to proof-read your emails before sending. You
will find tons of spelling mistakes and inconsistencies.

The commit message refers to qca,led_open_drain and qca,power_on_sel
which are not the names added to the documentation.

> 
> Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
> ---
>  Documentation/devicetree/bindings/net/dsa/qca8k.txt | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/dsa/qca8k.txt b/Documentation/devicetree/bindings/net/dsa/qca8k.txt
> index 05a8ddfb5483..71cd45818430 100644
> --- a/Documentation/devicetree/bindings/net/dsa/qca8k.txt
> +++ b/Documentation/devicetree/bindings/net/dsa/qca8k.txt
> @@ -13,6 +13,17 @@ Required properties:
>  Optional properties:
>  
>  - reset-gpios: GPIO to be used to reset the whole device
> +- qca,ignore-power-on-sel: Ignore power on pin strapping to configure led open
> +                           drain or eeprom presence. This is needed for broken
> +                           device that have wrong configuration or when the oem

_devices_ that _have_

> +                           decided to not use pin strapping and fallback to sw
> +                           regs.
> +- qca,led-open-drain: Set leds to open-drain mode. This require the

This _requires_

> +                      qca,ignore-power-on-sel to be set or the driver will fail
> +                      to probe. This is needed if the oem doesn't use pin

oem _prefers_

> +                      strapping to set this mode and prefer to set it using sw
> +                      regs. The pin strapping related to led open drain mode is
> +                      the pin B68 for QCA832x and B49 for QCA833x
>  
>  Subnodes:
>  
> -- 
> 2.32.0
>