From: Florian Fainelli <f.fainelli@gmail.com>
To: Bruno Thomsen <bruno.thomsen@gmail.com>, netdev <netdev@vger.kernel.org>
Cc: Andrew Lunn <andrew@lunn.ch>, Fabio Estevam <festevam@gmail.com>,
Russell King - ARM Linux <linux@armlinux.org.uk>,
Heiner Kallweit <hkallweit1@gmail.com>,
Lars Alex Pedersen <laa@kamstrup.com>,
Bruno Thomsen <bth@kamstrup.com>
Subject: Re: [PATCH v2 1/4 net-next] dt-bindings: net: mdio: add reset-post-delay-us property
Date: Sun, 2 Aug 2020 13:16:56 -0700 [thread overview]
Message-ID: <c69ba3d1-099b-7582-baeb-2b6a7e67e404@gmail.com> (raw)
In-Reply-To: <20200730195749.4922-2-bruno.thomsen@gmail.com>
On 7/30/2020 12:57 PM, Bruno Thomsen wrote:
> Add "reset-post-delay-us" parameter to MDIO bus properties,
> so it's possible to add a delay after reset deassert.
> This is optional in case external hardware slows down
> release of the reset signal.
>
> Signed-off-by: Bruno Thomsen <bruno.thomsen@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
> ---
> Documentation/devicetree/bindings/net/mdio.yaml | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/mdio.yaml b/Documentation/devicetree/bindings/net/mdio.yaml
> index d6a3bf8550eb..26afb556dfae 100644
> --- a/Documentation/devicetree/bindings/net/mdio.yaml
> +++ b/Documentation/devicetree/bindings/net/mdio.yaml
> @@ -39,6 +39,13 @@ properties:
> and must therefore be appropriately determined based on all devices
> requirements (maximum value of all per-device RESET pulse widths).
>
> + reset-post-delay-us:
> + description:
> + Delay after reset deassert in microseconds. It applies to all MDIO
> + devices and it's determined by how fast all devices are ready for
Uber nit: it is should be spelled out, but that does not warrant a resend.
--
Florian
next prev parent reply other threads:[~2020-08-02 20:17 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-30 19:57 [PATCH v2 0/4 net-next] Improve MDIO Ethernet PHY reset Bruno Thomsen
2020-07-30 19:57 ` [PATCH v2 1/4 net-next] dt-bindings: net: mdio: add reset-post-delay-us property Bruno Thomsen
2020-08-02 16:46 ` Andrew Lunn
2020-08-02 20:16 ` Florian Fainelli [this message]
2020-07-30 19:57 ` [PATCH v2 2/4 net-next] net: mdiobus: use flexible sleeping for reset-delay-us Bruno Thomsen
2020-08-02 16:46 ` Andrew Lunn
2020-08-02 20:17 ` Florian Fainelli
2020-07-30 19:57 ` [PATCH v2 3/4 net-next] net: mdiobus: add reset-post-delay-us handling Bruno Thomsen
2020-08-02 16:47 ` Andrew Lunn
2020-08-02 20:18 ` Florian Fainelli
2020-07-30 19:57 ` [PATCH v2 4/4 net-next] net: mdio device: use flexible sleeping in reset function Bruno Thomsen
2020-08-02 16:48 ` Andrew Lunn
2020-08-02 20:19 ` Florian Fainelli
2020-08-03 22:01 ` [PATCH v2 0/4 net-next] Improve MDIO Ethernet PHY reset David Miller
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