From: eric@anholt.net (Eric Anholt)
To: linux-arm-kernel@lists.infradead.org
Subject: [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.
WARNING: multiple messages have this Message-ID (diff)
From: Eric Anholt <eric-WhKQ6XTQaPysTnJN9+BGXg@public.gmane.org>
To: Gerd Hoffmann <kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Stefan Wahren <stefan.wahren-eS4NqCHxEME@public.gmane.org>
Cc: linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Scott Branden <sbranden-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>,
Ray Jui <rjui-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>,
Russell King <linux-I+IVW8TIWO2tmTQ+vhA3Yw@public.gmane.org>,
open list <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
bcm-kernel-feedback-list-dY08KVG/lbpWk0Htik3J/w@public.gmane.org,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
Florian Fainelli
<f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
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-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
e<#secure method=pgpmime mode=sign>
Gerd Hoffmann <kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> 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.
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WARNING: multiple messages have this Message-ID (diff)
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.
next prev parent reply other threads:[~2016-09-09 21:20 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-07 10:31 [PATCH 0/8] ARM: dts: bcm283x: add and use pinctrl groups Gerd Hoffmann
2016-09-07 10:31 ` Gerd Hoffmann
2016-09-07 10:31 ` [PATCH 1/8] ARM: dts: bcm283x: Define standard pinctrl groups in the gpio node Gerd Hoffmann
2016-09-07 10:31 ` Gerd Hoffmann
2016-09-07 10:31 ` Gerd Hoffmann
2016-09-07 18:09 ` Stefan Wahren
2016-09-07 18:09 ` Stefan Wahren
2016-09-07 18:09 ` Stefan Wahren
2016-09-07 18:50 ` Eric Anholt
2016-09-07 18:50 ` Eric Anholt
2016-09-08 7:48 ` Gerd Hoffmann
2016-09-08 7:48 ` Gerd Hoffmann
2016-09-08 7:48 ` Gerd Hoffmann
2016-09-08 17:55 ` Stefan Wahren
2016-09-08 17:55 ` Stefan Wahren
2016-09-08 17:55 ` Stefan Wahren
2016-09-09 9:05 ` Gerd Hoffmann
2016-09-09 9:05 ` Gerd Hoffmann
2016-09-09 9:05 ` Gerd Hoffmann
2016-09-09 14:12 ` Stefan Wahren
2016-09-09 14:12 ` Stefan Wahren
2016-09-09 14:12 ` Stefan Wahren
2016-09-09 21:20 ` Eric Anholt [this message]
2016-09-09 21:20 ` Eric Anholt
2016-09-09 21:20 ` Eric Anholt
2016-09-11 21:22 ` Dave Stevenson
2016-09-11 21:22 ` Dave Stevenson
2016-09-13 6:09 ` Eric Anholt
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 ` Gerd Hoffmann
2016-09-07 10:31 ` 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 ` Gerd Hoffmann
2016-09-07 10:31 ` 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 10:31 ` Gerd Hoffmann
2016-09-07 10:31 ` Gerd Hoffmann
2016-09-07 18:13 ` Stefan Wahren
2016-09-07 18:13 ` Stefan Wahren
2016-09-08 7:44 ` Gerd Hoffmann
2016-09-08 7:44 ` Gerd Hoffmann
2016-09-08 12:06 ` Stefan Wahren
2016-09-08 12:06 ` Stefan Wahren
2016-09-09 8:26 ` Gerd Hoffmann
2016-09-09 8:26 ` Gerd Hoffmann
2016-09-09 8:47 ` Gerd Hoffmann
2016-09-09 8:47 ` Gerd Hoffmann
2016-09-09 8:47 ` Gerd Hoffmann
2016-09-08 19:50 ` Scott Branden
2016-09-08 19:50 ` Scott Branden
2016-09-08 19:50 ` Scott Branden
2016-09-09 6:58 ` Stefan Wahren
2016-09-09 6:58 ` Stefan Wahren
2016-09-09 6:58 ` Stefan Wahren
2016-09-09 16:37 ` Scott Branden
2016-09-09 16:37 ` Scott Branden
2016-09-09 16:37 ` Scott Branden
2016-09-09 21:22 ` Eric Anholt
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 ` Gerd Hoffmann
2016-09-07 10:31 ` 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 ` Gerd Hoffmann
2016-09-07 10:31 ` 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 ` Gerd Hoffmann
2016-09-07 10:31 ` Gerd Hoffmann
2016-09-07 10:31 ` [PATCH 8/8] ARM: dts: bcm283x: add pinctrl group to &sdhci, " Gerd Hoffmann
2016-09-07 10:31 ` Gerd Hoffmann
2016-09-07 10:31 ` Gerd Hoffmann
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