linux-kernel - Re: [PATCH v3 2/2] ARM: dts: aspeed: ventura2: Add Meta ventura2 BMC

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Message-ID: <d9926d5e-7cdd-4c3c-9d9c-86418ceb4933@lunn.ch>
Date: Tue, 13 Jan 2026 20:33:33 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Kyle Hsieh <kylehsieh1995@...il.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Joel Stanley <joel@....id.au>,
	Andrew Jeffery <andrew@...econstruct.com.au>,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
Subject: Re: [PATCH v3 2/2] ARM: dts: aspeed: ventura2: Add Meta ventura2 BMC

> +&i2c6 {
> +	status = "okay";
> +
> +	// Marvell 88E6393X EEPROM
> +	eeprom@50 {
> +		compatible = "atmel,24c64";
> +		reg = <0x50>;
> +	};

Are you don't multi-master with this EEPROM?

> +	io_expander0: gpio@20 {
> +		compatible = "nxp,pca9555";
> +		reg = <0x20>;
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +
> +		gpio-line-names =
> +		"RST_POE_BMC_N", "POE_DISABLE_BMC_N_R",
> +		"RST_FT4232_1_BMC_N_R", "RST_FT4232_2_BMC_N_R",
> +		"RST_FT4232_3_BMC_N_R", "PRSNT_FANBP_0_PWR_N",
> +		"PRSNT_FANBP_0_SIG_N", "PRSNT_POE_PWR_N",
> +		"PRSNT_POE_SIG_N", "IRQ_POE_BMC_N_R",
> +		"PWRGD_P3V3_ISO_POE_BMC_R", "88E6393X_INT_N_R",

You have the switches interrupt connected to a GPIO expander?  That
seems a bit odd when you say it is running as a dumb, unmanaged
switch.

	Andrew