From: "Jiawen Wu" <jiawenwu@trustnetic.com>
To: "'Andrew Lunn'" <andrew@lunn.ch>
Cc: <netdev@vger.kernel.org>, <linux@armlinux.org.uk>,
<mengyuanlou@net-swift.com>
Subject: RE: [PATCH net-next 2/6] net: txgbe: Implement I2C bus master driver
Date: Thu, 6 Apr 2023 14:59:29 +0800 [thread overview]
Message-ID: <000001d96855$55648460$002d8d20$@trustnetic.com> (raw)
In-Reply-To: <3086ecbc-2884-4743-9953-96f2a225ddbb@lunn.ch>
> > > Is the I2C bus master your own IP, or have you licensed a core?
> > > Or using the open cores i2C bus master? I just want to make sure
> > > there is not already a linux driver for this.
> > >
> >
> > I use the I2C core driver, and implement my own i2c_algorithm.
> > I think it needs to configure my registers to realize the function.
>
> I had a quick look, and it appears the hardware is not an open-cores
> derived I2C bus master.
>
> As i tried to say, sometimes you just license an I2C bus master,
> rather than develop one from scratch. And if it was a licensed IP
> core, there is likely to be an existing driver.
>
By consulting with hardware designers, our I2C licensed the IP of
Synopsys.
But I can't use the I2C_DESIGNWARE_CORE directly, because IRQ is not
supported in our I2C.
next prev parent reply other threads:[~2023-04-06 7:00 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-03 6:45 [PATCH net-next 0/6] TXGBE PHYLINK support Jiawen Wu
2023-04-03 6:45 ` [PATCH net-next 1/6] net: txgbe: Add software nodes to support phylink Jiawen Wu
2023-04-03 12:35 ` Andrew Lunn
2023-04-03 6:45 ` [PATCH net-next 2/6] net: txgbe: Implement I2C bus master driver Jiawen Wu
2023-04-03 12:52 ` Andrew Lunn
2023-04-04 2:47 ` Jiawen Wu
2023-04-04 14:18 ` Andrew Lunn
2023-04-06 6:59 ` Jiawen Wu [this message]
2023-04-07 2:03 ` Andrew Lunn
2023-04-03 6:45 ` [PATCH net-next 3/6] net: txgbe: Add SFP module identify Jiawen Wu
2023-04-03 12:58 ` Andrew Lunn
2023-04-03 6:45 ` [PATCH net-next 4/6] net: txgbe: Support GPIO to SFP socket Jiawen Wu
2023-04-03 13:16 ` Andrew Lunn
2023-04-03 6:45 ` [PATCH net-next 5/6] net: txgbe: Implement phylink pcs Jiawen Wu
2023-04-03 13:47 ` Russell King (Oracle)
2023-04-10 7:32 ` Jiawen Wu
2023-04-10 10:40 ` Russell King (Oracle)
2023-04-11 2:34 ` Jiawen Wu
2023-04-11 6:32 ` Jiawen Wu
2023-04-03 6:45 ` [PATCH net-next 6/6] net: txgbe: Support phylink MAC layer Jiawen Wu
2023-04-03 13:22 ` Andrew Lunn
2023-04-03 13:51 ` Russell King (Oracle)
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