From: Andrew Jeffery <andrew@codeconstruct.com.au>
To: Fred Chen <fredchen.openbmc@gmail.com>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>, Joel Stanley <joel@jms.id.au>,
devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/1] ARM: dts: aspeed: santabarbara: Add system monitoring GPIOs
Date: Mon, 18 May 2026 20:52:02 +0930 [thread overview]
Message-ID: <88d92981e89a9c6c62b6ddc2fa4af51dcc32c276.camel@codeconstruct.com.au> (raw)
In-Reply-To: <20260421130344.2751662-2-fredchen.openbmc@gmail.com>
Hi Fred,
On Tue, 2026-04-21 at 21:03 +0800, Fred Chen wrote:
> Add several GPIO expanders to the Santabarbara platform, with ioexp0
> (0x20) configured to aggregate interrupt signals from downstream
> expanders to optimize sideband pin usage.
Can you provide a bit more context? Is this the result of a broader
design change? Or is it a case of adding descriptions of hardware that
was already present in the design?
Andrew
prev parent reply other threads:[~2026-05-18 11:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-21 13:03 [PATCH v2 0/1] ARM: dts: aspeed: santabarbara: Add system monitoring GPIOs Fred Chen
2026-04-21 13:03 ` [PATCH v2 1/1] " Fred Chen
2026-05-18 11:22 ` Andrew Jeffery [this message]
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