From: Andrew Jeffery <andrew@aj.id.au>
To: linux-aspeed@lists.ozlabs.org
Subject: [PATCH net-next RESEND v5 1/3] dt-bindings: net: add reset property for aspeed, ast2600-mdio binding
Date: Tue, 19 Apr 2022 10:21:15 +0930 [thread overview]
Message-ID: <c4d4d135-7d52-455a-9623-4c7badb46f9d@www.fastmail.com> (raw)
In-Reply-To: <20220418014059.3054-2-dylan_hung@aspeedtech.com>
On Mon, 18 Apr 2022, at 11:10, Dylan Hung wrote:
> The AST2600 MDIO bus controller has a reset control bit and must be
> deasserted before manipulating the MDIO controller. By default, the
> hardware asserts the reset so the driver only need to deassert it.
>
> Regarding to the old DT blobs which don't have reset property in them,
> the reset deassertion is usually done by the bootloader so the reset
> property is optional to work with them.
>
> Signed-off-by: Dylan Hung <dylan_hung@aspeedtech.com>
> Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
next prev parent reply other threads:[~2022-04-19 0:51 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-18 1:40 [PATCH net-next RESEND v5 0/3] Add reset deassertion for Aspeed MDIO Dylan Hung
2022-04-18 1:40 ` [PATCH net-next RESEND v5 1/3] dt-bindings: net: add reset property for aspeed, ast2600-mdio binding Dylan Hung
2022-04-19 0:51 ` Andrew Jeffery [this message]
2022-04-18 1:40 ` [PATCH net-next RESEND v5 2/3] net: mdio: add reset control for Aspeed MDIO Dylan Hung
2022-04-19 0:52 ` Andrew Jeffery
2022-04-18 1:40 ` [PATCH net-next RESEND v5 3/3] ARM: dts: aspeed: add reset properties into MDIO nodes Dylan Hung
2022-04-22 19:25 ` [PATCH net-next RESEND v5 0/3] Add reset deassertion for Aspeed MDIO Jakub Kicinski
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