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Date: Wed, 15 Apr 2026 16:16:13 +0100
From: Conor Dooley <conor@kernel.org>
To: Ryan Chen <ryan_chen@aspeedtech.com>
Cc: jk@codeconstruct.com.au, andriy.shevchenko@linux.intel.com,
	Andi Shyti <andi.shyti@kernel.org>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>, Joel Stanley <joel@jms.id.au>,
	Andrew Jeffery <andrew@codeconstruct.com.au>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Rayn Chen <rayn_chen@aspeedtech.com>,
	Philipp Zabel <p.zabel@pengutronix.de>, linux-i2c@vger.kernel.org,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org,
	openbmc@lists.ozlabs.org
Subject: Re: [PATCH v29 1/4] dt-bindings: i2c: Split AST2600 binding into a
 new YAML
Message-ID: <20260415-quartered-value-c97d22249d2e@spud>
References: <20260415-upstream_i2c-v29-0-317c1a905ae1@aspeedtech.com>
 <20260415-upstream_i2c-v29-1-317c1a905ae1@aspeedtech.com>
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On Wed, Apr 15, 2026 at 01:14:02PM +0800, Ryan Chen wrote:
> The AST2600 I2C controller introduces a completely new register layout
> with separate controller and target register blocks, unlike the mixed
> register layout used by AST2400/AST2500.
>=20
> Move AST2600 I2C binding from aspeed,i2c.yaml to a dedicated
> aspeed,ast2600-i2c.yaml schema.
>=20
> Besides the split, this also adjusts for AST2600-specific requirements.
> - require two reg regions (controller register block + buffer block)
> - use clock-frequency for bus speed description
> - interrupts are required on AST2600
> - use correct DTS coding style in example
>=20
> No compatible strings are changed.
>=20
> Signed-off-by: Ryan Chen <ryan_chen@aspeedtech.com>

Acked-by: Conor Dooley <conor.dooley@microchip.com>
pw-bot: not-applicable

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