From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [PATCH 7/8] usb: ci_udc: Convert driver to DM_USB_GADGET
Date: Tue, 27 Oct 2020 10:32:49 +0100 [thread overview]
Message-ID: <128591.1603791169@gemini.denx.de> (raw)
In-Reply-To: <DB6PR0402MB2760ECB86DD133520449792C88160@DB6PR0402MB2760.eurprd04.prod.outlook.com>
Dear Peng Fan,
In message <DB6PR0402MB2760ECB86DD133520449792C88160@DB6PR0402MB2760.eurprd04.prod.outlook.com> you wrote:
> > >
> > > > > +static const struct udevice_id ci_udc_otg_ids[] = {
> > > > > + { .compatible = "fsl,imx27-usb-gadget" },
> > > > > + { }
> > > > > +};
> > > >
> > > > What is imx27-usb-gadget ?
> > >
> > > This U-Boot specific compatible string. I have no better idea what we
> > > need use here to make DM driver work.
> >
> > But what is "imx27" ? This is a i.MX8M family platform, right?
> > Not ancient i.MX27 ?
>
> This is just a compatible string means all controllers compatible with
> i.MX27 USB could use this driver.
>
> Yes this is for i.MX8MM, but the usb gadget feature could reuse
> the i.MX27 code.
Maybe I'm missing something, but I cannot find imx27-usb-gadget
being used anywhere - not in U-Boot nor in Linux mainline ?
And if we introduce this completely new - then why imx27 ?
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
If you think the problem is bad now, just wait until we've solved it.
Epstein's Law
next prev parent reply other threads:[~2020-10-27 9:32 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-12 6:23 [PATCH 0/8] i.MX8MM: add host/gadget support Peng Fan
2020-10-12 6:23 ` [PATCH 1/8] tcpc: Add driver for USB typec port controller (TCPC) Peng Fan
2020-10-12 8:50 ` Marek Vasut
2020-10-12 9:43 ` Peng Fan
2020-10-12 10:21 ` Marek Vasut
2020-10-13 9:39 ` Peng Fan
2020-10-13 9:45 ` Marek Vasut
2020-10-13 10:05 ` Peng Fan
2020-10-13 10:14 ` Marek Vasut
2020-10-12 6:23 ` [PATCH 2/8] power: regulator: add dummy helper Peng Fan
2020-10-12 6:23 ` [PATCH 3/8] phy: nop-phy: add optional clk Peng Fan
2020-10-12 8:52 ` Marek Vasut
2020-10-12 9:12 ` Peng Fan
2020-10-12 6:23 ` [PATCH 4/8] usb: imx: add i.MX usb ehci driver Peng Fan
2020-10-12 8:55 ` Marek Vasut
2020-10-12 9:15 ` Peng Fan
2020-10-12 6:23 ` [PATCH 5/8] imx8m: enable usb power domain Peng Fan
2020-10-12 9:00 ` Marek Vasut
2020-10-12 9:20 ` Peng Fan
2020-10-12 10:29 ` Marek Vasut
2020-10-12 6:23 ` [PATCH 6/8] imx8mm_evk: add usbotg1 host support Peng Fan
2020-10-12 6:23 ` [PATCH 7/8] usb: ci_udc: Convert driver to DM_USB_GADGET Peng Fan
2020-10-27 7:45 ` Wolfgang Denk
2020-10-27 8:09 ` Peng Fan
2020-10-27 8:15 ` Wolfgang Denk
2020-10-27 8:18 ` Peng Fan
2020-10-27 9:32 ` Wolfgang Denk [this message]
2020-10-27 9:39 ` Peng Fan
2020-10-27 10:22 ` Wolfgang Denk
2020-10-12 6:23 ` [PATCH 8/8] imx8mm_evk: add fastboot support Peng Fan
2020-10-27 7:45 ` Wolfgang Denk
2020-10-27 8:08 ` Peng Fan
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