From: Lukasz Majewski <lukma@denx.de>
To: Andrew Lunn <andrew@lunn.ch>
Cc: Andrew Lunn <andrew+netdev@lunn.ch>,
davem@davemloft.net, Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
Richard Cochran <richardcochran@gmail.com>,
netdev@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, imx@lists.linux.dev,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 1/4] dt-bindings: net: Add MTIP L2 switch description
Date: Sun, 30 Mar 2025 08:38:03 +0200 [thread overview]
Message-ID: <20250330083803.75a8b53e@wsk> (raw)
In-Reply-To: <b187dd05-2d9d-45d0-81d4-fc619dbba1d9@lunn.ch>
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Hi Andrew,
> > + /* Both PHYs (i.e. 0,1) have the same,
> > single GPIO, */
> > + /* line to handle both, their interrupts
> > (AND'ed) */
>
> ORed, not ANDed.
>
Yes, correct.
> Often, the interrupt line has a weak pullup resistor, so by default it
> is high. Either PHY can then pull it low, using an open collector,
> which is HI-Z when not driving.
Yes, correct - this is how it works.
>
> Andrew
Best regards,
Lukasz Majewski
--
DENX Software Engineering GmbH, Managing Director: Erika Unter
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma@denx.de
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next prev parent reply other threads:[~2025-03-30 6:38 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-28 13:35 [PATCH v2 0/4] net: mtip: Add support for MTIP imx287 L2 switch driver Lukasz Majewski
2025-03-28 13:35 ` [PATCH v2 1/4] dt-bindings: net: Add MTIP L2 switch description Lukasz Majewski
2025-03-28 14:07 ` Krzysztof Kozlowski
2025-03-29 22:10 ` Lukasz Majewski
2025-03-30 9:47 ` Krzysztof Kozlowski
2025-03-30 21:04 ` Lukasz Majewski
2025-03-31 6:30 ` Krzysztof Kozlowski
2025-03-31 7:19 ` Lukasz Majewski
2025-03-28 18:23 ` Andrew Lunn
2025-03-30 6:36 ` Lukasz Majewski
2025-03-28 18:30 ` Andrew Lunn
2025-03-30 6:38 ` Lukasz Majewski [this message]
2025-03-29 1:37 ` Rob Herring (Arm)
2025-03-29 17:09 ` Rob Herring
2025-03-29 21:16 ` Lukasz Majewski
2025-03-28 13:35 ` [PATCH v2 2/4] ARM: dts: nxp: mxs: Adjust the imx28.dtsi " Lukasz Majewski
2025-03-28 13:35 ` [PATCH v2 3/4] ARM: dts: nxp: mxs: Adjust XEA board's DTS to support L2 switch Lukasz Majewski
2025-03-28 13:35 ` [PATCH v2 4/4] net: mtip: The L2 switch driver for imx287 Lukasz Majewski
2025-03-28 14:19 ` Krzysztof Kozlowski
2025-03-31 8:06 ` Lukasz Majewski
2025-03-28 19:30 ` Andrew Lunn
2025-03-30 20:20 ` Lukasz Majewski
2025-03-30 22:01 ` Andrew Lunn
2025-03-31 7:00 ` Lukasz Majewski
2025-03-28 13:43 ` [PATCH v2 0/4] net: mtip: Add support for MTIP imx287 L2 switch driver Jakub Kicinski
2025-03-28 13:49 ` Lukasz Majewski
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