linux-kernel - Re: [RFC 08/10] misc: hisi_hikey_usb: Driver to support onboard USB gpio hub on Hikey960

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Message-ID: <b8e7b15f-757c-29b9-6984-ac0a49efd6c9@infradead.org>
Date:   Fri, 4 Sep 2020 05:53:26 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Cc:     linuxarm@...wei.com, mauro.chehab@...wei.com,
        Yu Chen <chenyu56@...wei.com>,
        John Stultz <john.stultz@...aro.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Derek Kiernan <derek.kiernan@...inx.com>,
        Dragan Cvetic <dragan.cvetic@...inx.com>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "David S. Miller" <davem@...emloft.net>,
        Rob Herring <robh@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [RFC 08/10] misc: hisi_hikey_usb: Driver to support onboard USB
 gpio hub on Hikey960

On 9/4/20 3:23 AM, Mauro Carvalho Chehab wrote:
> diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
> index e1b1ba5e2b92..8ceba6153ecc 100644
> --- a/drivers/misc/Kconfig
> +++ b/drivers/misc/Kconfig
> @@ -456,6 +456,15 @@ config PVPANIC
>  	  a paravirtualized device provided by QEMU; it lets a virtual machine
>  	  (guest) communicate panic events to the host.
>  
> +config HISI_HIKEY_USB
> +	tristate "USB GPIO Hub on HiSilicon Hikey960 Platform"
> +	depends on OF && GPIOLIB

	depends on (OF && GPIOLIB) || COMPILE_TEST
?
Both of those have stubs if they are not enabled IIRC.

> +	help
> +	  If you say yes here this adds support for the on-board USB gpio hub

	                                                             GPIO

> +	  found on the HiKey960, which is necssary to support switching between

	                                  necessary

> +	  the dual-role USB-C port and the USB-A host ports using only one USB
> +	  controller.
> +
>  source "drivers/misc/c2port/Kconfig"
>  source "drivers/misc/eeprom/Kconfig"
>  source "drivers/misc/cb710/Kconfig"


thanks.
-- 
~Randy