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From: Eric Anholt <eric@anholt.net>
To: Gerd Hoffmann <kraxel@redhat.com>,
	Stefan Wahren <stefan.wahren@i2se.com>
Cc: linux-rpi-kernel@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
	Scott Branden <sbranden@broadcom.com>,
	Ray Jui <rjui@broadcom.com>, Russell King <linux@armlinux.org.uk>,
	open list <linux-kernel@vger.kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	bcm-kernel-feedback-list@broadcom.com,
	Mark Rutland <mark.rutland@arm.com>,
	Florian Fainelli <f.fainelli@gmail.com>
Subject: Re: [PATCH 1/8] ARM: dts: bcm283x: Define standard pinctrl groups in the gpio node.
Date: Fri, 09 Sep 2016 14:20:57 -0700	[thread overview]
Message-ID: <8737l893d2.fsf@eliezer.anholt.net> (raw)
In-Reply-To: <1473411924.6698.85.camel@redhat.com>

e<#secure method=pgpmime mode=sign>
Gerd Hoffmann <kraxel@redhat.com> writes:

>   Hi,
>
>> According to this page [1] the pinctrl group for parallel display interface is
>> missing. Is it intended?
>> 
>> [1] - http://elinux.org/RPi_BCM2835_GPIOs
>
> Just an oversight I guess.  Eric?
>
> Does this look correct?
>
> +                       dpi_gpio4: dpi_gpio4 {
> +                               brcm,pins = <4 5 6 7 8 9 10 11 12 13
> +                                            14 15 16 17 18 19 20 21
> +                                            22 23 24 25 26 27>;
> +                               brcm,function = <BCM2835_FSEL_ALT2>;
> +                       };

For DPI, you also need pins 0-3 in there for clock and syncs.

That set of data pins would be for a 24-bit mode, which is what we
should be using for the Adafruit kippah + 7" panel combo.

  parent reply	other threads:[~2016-09-09 21:21 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1473244289-20728-1-git-send-email-kraxel@redhat.com>
2016-09-07 10:31 ` [PATCH 1/8] ARM: dts: bcm283x: Define standard pinctrl groups in the gpio node Gerd Hoffmann
2016-09-07 18:09   ` Stefan Wahren
2016-09-07 18:50     ` Eric Anholt
2016-09-08  7:48       ` Gerd Hoffmann
2016-09-08 17:55   ` Stefan Wahren
2016-09-09  9:05     ` Gerd Hoffmann
2016-09-09 14:12       ` Stefan Wahren
2016-09-09 21:20       ` Eric Anholt [this message]
2016-09-11 21:22         ` Dave Stevenson
2016-09-13  6:09           ` Eric Anholt
2016-09-07 10:31 ` [PATCH 2/8] ARM: dts: bcm283x: Add the emmc pin group to bcm283x.dtsi Gerd Hoffmann
2016-09-07 10:31 ` [PATCH 3/8] ARM: dts: bcm283x: Add a group for mapping pins 48-53 to sdhost Gerd Hoffmann
2016-09-07 10:31 ` [PATCH 4/8] ARM: dts: bcm283x: Add a new EMMC pin group from the downstream tree Gerd Hoffmann
2016-09-07 18:13   ` Stefan Wahren
2016-09-08  7:44     ` Gerd Hoffmann
2016-09-08 12:06       ` Stefan Wahren
2016-09-09  8:26         ` Gerd Hoffmann
2016-09-09  8:47           ` Gerd Hoffmann
2016-09-08 19:50       ` Scott Branden
2016-09-09  6:58         ` Stefan Wahren
2016-09-09 16:37           ` Scott Branden
2016-09-09 21:22     ` Eric Anholt
2016-09-07 10:31 ` [PATCH 5/8] ARM: dts: bcm283x: add pinctrl group to &pwm, drop pins from &gpio Gerd Hoffmann
2016-09-07 10:31 ` [PATCH 6/8] ARM: dts: bcm283x: add pinctrl group to &i2c0, " Gerd Hoffmann
2016-09-07 10:31 ` [PATCH 7/8] ARM: dts: bcm283x: add pinctrl group to &i2c1, " Gerd Hoffmann
2016-09-07 10:31 ` [PATCH 8/8] ARM: dts: bcm283x: add pinctrl group to &sdhci, " Gerd Hoffmann

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