From: Andrew Lunn <andrew@lunn.ch>
To: Chris Packham <Chris.Packham@alliedtelesis.co.nz>
Cc: "robh+dt@kernel.org" <robh+dt@kernel.org>,
"krzysztof.kozlowski+dt@linaro.org"
<krzysztof.kozlowski+dt@linaro.org>,
"catalin.marinas@arm.com" <catalin.marinas@arm.com>,
"will@kernel.org" <will@kernel.org>,
"gregory.clement@bootlin.com" <gregory.clement@bootlin.com>,
"sebastian.hesselbarth@gmail.com"
<sebastian.hesselbarth@gmail.com>,
"kostap@marvell.com" <kostap@marvell.com>,
"robert.marko@sartura.hr" <robert.marko@sartura.hr>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v6 1/3] dt-bindings: marvell: Document the AC5/AC5X compatibles
Date: Thu, 12 May 2022 02:45:40 +0200 [thread overview]
Message-ID: <YnxYtE9dGn6BwF/8@lunn.ch> (raw)
In-Reply-To: <d9663aa1-e574-f12f-a330-79d984af107e@alliedtelesis.co.nz>
> Yes there are registers that you can read to identify the specific chip.
>
> It still might be useful to have a expected vs actual check as those ID
> values are determined by pin strapping resistors.
That i don't get? Can i turn a
* 98DX2538: 24x1G + 2x10G + 2x10G Stack
into a
* 98DX2535: 24x1G + 4x1G Stack
by strapping its pin differently?
> It could also be used
> to validate the dts (e.g. port 20 would be invalid on a 98DX3501). But
> those are considerations for further down the track.
Yes, that would be up to the switchdev driver to validate the DT based
on the ID register.
Andrew
next prev parent reply other threads:[~2022-05-12 0:46 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-10 23:09 [PATCH v6 0/3] arm64: mvebu: Support for Marvell 98DX2530 (and variants) Chris Packham
2022-05-10 23:10 ` [PATCH v6 1/3] dt-bindings: marvell: Document the AC5/AC5X compatibles Chris Packham
2022-05-11 16:34 ` Krzysztof Kozlowski
2022-05-12 1:20 ` Chris Packham
2022-05-12 1:51 ` Chris Packham
2022-05-12 14:45 ` Krzysztof Kozlowski
2022-05-12 10:10 ` Krzysztof Kozlowski
2022-05-11 17:02 ` Andrew Lunn
2022-05-11 23:14 ` Chris Packham
2022-05-12 0:27 ` Andrew Lunn
2022-05-12 0:38 ` Chris Packham
2022-05-12 0:45 ` Andrew Lunn [this message]
2022-05-12 0:54 ` Chris Packham
2022-05-10 23:10 ` [PATCH v6 2/3] arm64: dts: marvell: Add Armada 98DX2530 SoC and RD-AC5X board Chris Packham
2022-05-11 16:38 ` Krzysztof Kozlowski
2022-05-11 23:49 ` Chris Packham
2022-05-12 14:45 ` Krzysztof Kozlowski
2022-05-10 23:10 ` [PATCH v6 3/3] arm64: marvell: enable the 98DX2530 pinctrl driver Chris Packham
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