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From: Jagan Teki <jagannadh.teki-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>
Cc: Maxime Ripard
	<maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
	Icenowy Zheng <icenowy-h8G6r0blFSE@public.gmane.org>,
	Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	Catalin Marinas <catalin.marinas-5wv7dgnIgG8@public.gmane.org>,
	Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>,
	Michael Trimarchi
	<michael-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org>,
	linux-arm-kernel
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
	devicetree <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	linux-kernel
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	linux-sunxi <linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>,
	Jagan Teki
	<jagan-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org>
Subject: Re: [PATCH 2/2] arm64: allwinner: a64: bananapi-m64: add usb otg
Date: Thu, 7 Dec 2017 11:48:29 +0530	[thread overview]
Message-ID: <CAD6G_RR-VccHjdrXs55=C50OvDEr96c7axtbR0eKp2THFNx6sg@mail.gmail.com> (raw)
In-Reply-To: <CAGb2v67uFnV+m1Ub7rFVGhkv0HKD4ukpQFtJ1pqRi2vf4F=tFA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

On Thu, Dec 7, 2017 at 8:54 AM, Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org> wrote:
> On Thu, Dec 7, 2017 at 1:51 AM, Jagan Teki <jagannadh.teki-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>> usb otg on bananapi-m64 has configured with USB-ID with PH9
>> and USB-DRVVBUS attached with dcdc1 regulatort.
>
> That is not how you read the schematic...
>
> Intersecting lines that are tied together will have a dot representing
> the connection. The DCDC1 line is a pull-up for the ID pin. This is very
> clear because it has a resistor connected in series.
>
> VBUS for OTG is controlled by the IC displayed to the right in the
> schematic, which is powered from 5V, and controlled by the DRVVBUS
> pin from the PMIC. Please take a look at how the A31/A33/A83T board
> dts files represent this.

This is where I confused, USB-DRVVBUS is connected to pin 51 of PMIC
if we add 5v regulator how can configure gpio number for this? I saw
sun8i-a33-olinuxino.dts which is also similar but it has gpio = <&pio
1 9 GPIO_ACTIVE_HIGH>;

thanks!
-- 
Jagan Teki
Free Software Engineer | www.openedev.com
U-Boot, Linux | Upstream Maintainer
Hyderabad, India.

  parent reply	other threads:[~2017-12-07  6:18 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-06 17:51 [PATCH 2/2] arm64: allwinner: a64: bananapi-m64: add usb otg Jagan Teki
     [not found] ` <1512582664-24936-1-git-send-email-jagan-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org>
2017-12-07  3:24   ` Chen-Yu Tsai
     [not found]     ` <CAGb2v67uFnV+m1Ub7rFVGhkv0HKD4ukpQFtJ1pqRi2vf4F=tFA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-12-07  6:18       ` Jagan Teki [this message]
     [not found]         ` <CAD6G_RR-VccHjdrXs55=C50OvDEr96c7axtbR0eKp2THFNx6sg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-12-07  6:26           ` Chen-Yu Tsai
     [not found]             ` <CAGb2v67dh=dfPKdDOwfj8m7qmUk-=s4kXS3FvZLczskrjbr7eQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-12-07  6:54               ` Jagan Teki
2017-12-07  7:01                 ` Chen-Yu Tsai
     [not found]                   ` <CAGb2v65OcqHSDyRowK7UKUpav_CbNtRm9DSs+_uLaZcbu6b7fg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-12-07  7:10                     ` Jagan Teki

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