From: Andrew Lunn <andrew@lunn.ch>
To: Horatiu Vultur <horatiu.vultur@microchip.com>
Cc: davem@davemloft.net, kuba@kernel.org, robh+dt@kernel.org,
linux@armlinux.org.uk, f.fainelli@gmail.com,
alexandre.belloni@bootlin.com, vladimir.oltean@nxp.com,
UNGLinuxDriver@microchip.com, netdev@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-phy@lists.infradead.org, linux-pm@vger.kernel.org
Subject: Re: [RFC PATCH net-next 05/12] reset: lan966x: Add switch reset driver
Date: Mon, 20 Sep 2021 14:11:05 +0200 [thread overview]
Message-ID: <YUh6WcEVBigG61y6@lunn.ch> (raw)
In-Reply-To: <20210920095218.1108151-6-horatiu.vultur@microchip.com>
On Mon, Sep 20, 2021 at 11:52:11AM +0200, Horatiu Vultur wrote:
> The lan966x switch SoC has a number of components that can be reset
> indiviually, but at least the switch core needs to be in a well defined
> state at power on, when any of the lan966x drivers starts to access the
> switch core, this reset driver is available.
>
> The reset driver is loaded early via the postcore_initcall interface, and
> will then be available for the other lan966x drivers (SGPIO, SwitchDev etc)
> that are loaded next, and the first of them to be loaded can perform the
> one-time switch core reset that is needed.
A lot of this looks very similar to
reset-microchip-sparx5.c. PROTECT_REG is 0x88 rather than 0x84, but
actually using the value is the same. SOFT_RESET_REG is identical. So
rather than adding a new driver, maybe you can generalize
reset-microchip-sparx5.c, and add a second compatible string?
Andrew
next prev parent reply other threads:[~2021-09-20 12:11 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-20 9:52 [RFC PATCH net-next 00/12] Add lan966x driver Horatiu Vultur
2021-09-20 9:52 ` [RFC PATCH net-next 01/12] net: mdio: mscc-miim: Fix the mdio controller Horatiu Vultur
2021-09-20 11:52 ` Andrew Lunn
2021-09-22 8:24 ` Horatiu Vultur
2021-09-20 9:52 ` [RFC PATCH net-next 02/12] net: phy: mchp: Add support for LAN8804 PHY Horatiu Vultur
2021-09-20 10:00 ` Alexandre Belloni
2021-09-20 11:59 ` Andrew Lunn
2021-09-22 8:35 ` Horatiu Vultur
2021-09-20 9:52 ` [RFC PATCH net-next 03/12] phy: Add lan966x ethernet serdes PHY driver Horatiu Vultur
2021-09-20 13:42 ` Russell King (Oracle)
2021-09-22 10:04 ` Horatiu Vultur
2021-09-23 12:44 ` Rob Herring
2021-09-20 9:52 ` [RFC PATCH net-next 04/12] dt-bindings: reset: Add lan966x switch reset bindings Horatiu Vultur
2021-09-23 12:49 ` Rob Herring
2021-09-20 9:52 ` [RFC PATCH net-next 05/12] reset: lan966x: Add switch reset driver Horatiu Vultur
2021-09-20 12:11 ` Andrew Lunn [this message]
2021-09-22 9:59 ` Horatiu Vultur
2021-09-20 9:52 ` [RFC PATCH net-next 06/12] dt-bindings: reset: Add lan966x power reset bindings Horatiu Vultur
2021-09-20 9:52 ` [RFC PATCH net-next 07/12] power: reset: Add lan966x power reset driver Horatiu Vultur
2021-09-20 12:15 ` Andrew Lunn
2021-09-20 9:52 ` [RFC PATCH net-next 08/12] dt-bindings: net: lan966x: Add lan966x-switch bindings Horatiu Vultur
2021-09-23 12:53 ` Rob Herring
2021-09-20 9:52 ` [RFC PATCH net-next 09/12] net: lan966x: add the basic lan966x driver Horatiu Vultur
2021-09-20 13:46 ` Russell King (Oracle)
2021-09-20 9:52 ` [RFC PATCH net-next 10/12] net: lan966x: add port module support Horatiu Vultur
2021-09-20 13:54 ` Russell King (Oracle)
2021-09-23 8:02 ` Horatiu Vultur
2021-09-20 9:52 ` [RFC PATCH net-next 11/12] net: lan966x: add mactable support Horatiu Vultur
2021-09-20 9:52 ` [RFC PATCH net-next 12/12] net: lan966x: add ethtool configuration and statistics Horatiu Vultur
2021-09-20 20:31 ` Jakub Kicinski
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