From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Cc: linuxarm@huawei.com, mauro.chehab@huawei.com,
Yu Chen <chenyu56@huawei.com>,
John Stultz <john.stultz@linaro.org>,
Manivannan Sadhasivam <mani@kernel.org>,
Derek Kiernan <derek.kiernan@xilinx.com>,
Dragan Cvetic <dragan.cvetic@xilinx.com>,
Arnd Bergmann <arnd@arndb.de>,
"David S. Miller" <davem@davemloft.net>,
Rob Herring <robh@kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 08/11] misc: hisi_hikey_usb: Driver to support onboard USB gpio hub on Hikey960
Date: Wed, 9 Sep 2020 10:35:55 +0200 [thread overview]
Message-ID: <20200909083555.GA579996@kroah.com> (raw)
In-Reply-To: <d53de8ab89c23e4be6d2a4fd24b10bcd76dad97d.1599493845.git.mchehab+huawei@kernel.org>
On Mon, Sep 07, 2020 at 05:59:32PM +0200, Mauro Carvalho Chehab wrote:
> From: Yu Chen <chenyu56@huawei.com>
>
> The HiKey960 has a fairly complex USB configuration due to it
> needing to support a USB-C port for host/device mode and multiple
> USB-A ports in host mode, all using a single USB controller.
>
> See schematics here:
> https://github.com/96boards/documentation/raw/master/consumer/hikey/hikey960/hardware-docs/HiKey960_Schematics.pdf
>
> This driver acts as a usb-role-switch intermediary, intercepting
> the role switch notifications from the tcpm code, and passing
> them on to the dwc3 core.
>
> In doing so, it also controls the onboard hub and power gpios in
> order to properly route the data lines between the USB-C port
> and the onboard hub to the USB-A ports.
>
> Signed-off-by: Yu Chen <chenyu56@huawei.com>
> [jstultz: Major rework to make the driver a usb-role-switch
> intermediary]
> Signed-off-by: John Stultz <john.stultz@linaro.org>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
> ---
> MAINTAINERS | 7 ++
> drivers/misc/Kconfig | 9 ++
> drivers/misc/Makefile | 1 +
> drivers/misc/hisi_hikey_usb.c | 205 ++++++++++++++++++++++++++++++++++
> 4 files changed, 222 insertions(+)
> create mode 100644 drivers/misc/hisi_hikey_usb.c
Can this, and the next patch, go into my char-misc tree independent of
the other patches in this series? Or do they all need to go in
together?
thanks,
greg k-h
next prev parent reply other threads:[~2020-09-09 8:35 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-07 15:59 [PATCH v2 00/11] Add USB support for Hikey 970 Mauro Carvalho Chehab
2020-09-07 15:59 ` [PATCH v2 01/11] phy: hisilicon: add USB physical layer for Kirin 3670 Mauro Carvalho Chehab
2020-09-07 15:59 ` [PATCH v2 02/11] phy: hisilicon: phy-hi3670-usb3: fix some issues at the init code Mauro Carvalho Chehab
2020-09-07 15:59 ` [PATCH v2 03/11] phy: hisilicon: phy-hi3670-usb3: use a consistent namespace Mauro Carvalho Chehab
2020-09-07 15:59 ` [PATCH v2 04/11] phy: hisilicon: phy-hi3670-usb3: fix coding style Mauro Carvalho Chehab
2020-09-07 15:59 ` [PATCH v2 05/11] phy: hisilicon: phy-hi3670-usb3: change some DT properties Mauro Carvalho Chehab
2020-09-07 15:59 ` [PATCH v2 06/11] dt-bindings: phy: convert phy-kirin970-usb3.txt to yaml Mauro Carvalho Chehab
2020-09-07 15:59 ` [PATCH v2 07/11] MAINTAINERS: add myself as maintainer for Kirin 970 USB PHY Mauro Carvalho Chehab
2020-09-07 15:59 ` [PATCH v2 08/11] misc: hisi_hikey_usb: Driver to support onboard USB gpio hub on Hikey960 Mauro Carvalho Chehab
2020-09-09 8:35 ` Greg Kroah-Hartman [this message]
2020-09-09 8:44 ` Mauro Carvalho Chehab
2020-09-09 9:55 ` Mauro Carvalho Chehab
2020-09-09 18:15 ` Greg Kroah-Hartman
2020-09-07 15:59 ` [PATCH v2 09/11] misc: hisi_hikey_usb: add support for Hikey 970 Mauro Carvalho Chehab
2020-09-07 15:59 ` [PATCH v2 10/11] dwc3-of-simple: " Mauro Carvalho Chehab
2020-09-08 6:02 ` Felipe Balbi
2020-09-08 6:53 ` Mauro Carvalho Chehab
2020-09-08 7:45 ` Felipe Balbi
2020-09-07 15:59 ` [PATCH v2 11/11] dts: hisilicon: add support for USB3 on " Mauro Carvalho Chehab
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