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[GIT PULL 1/4] bcm2835 arm DT updates for 4.12

Started byEric Anholt <eric@anholt.net>
First post2017-03-21 21:00 +0100
Last post2017-03-27 16:30 +0200
Articles 5 — 4 participants

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  [GIT PULL 1/4] bcm2835 arm DT updates for 4.12 Eric Anholt <eric@anholt.net> - 2017-03-21 21:00 +0100
    Re: [GIT PULL 1/4] bcm2835 arm DT updates for 4.12 Florian Fainelli <f.fainelli@gmail.com> - 2017-03-24 18:20 +0100
    Re: [GIT PULL 1/4] bcm2835 arm DT updates for 4.12 Arnd Bergmann <arnd@arndb.de> - 2017-03-24 23:30 +0100
      Re: [GIT PULL 1/4] bcm2835 arm DT updates for 4.12 Stefan Wahren <stefan.wahren@i2se.com> - 2017-03-25 12:10 +0100
        Re: [GIT PULL 1/4] bcm2835 arm DT updates for 4.12 Arnd Bergmann <arnd@arndb.de> - 2017-03-27 16:30 +0200

#1605959 — [GIT PULL 1/4] bcm2835 arm DT updates for 4.12

FromEric Anholt <eric@anholt.net>
Date2017-03-21 21:00 +0100
Subject[GIT PULL 1/4] bcm2835 arm DT updates for 4.12
Message-ID<tnxX4-7To-21@gated-at.bofh.it>
  Linux 4.11-rc1 (2017-03-05 12:59:56 -0800)

are available in the git repository at:

  git://github.com/anholt/linux tags/bcm2835-dt-next-2017-03-21

for you to fetch changes up to 7f31a955a0c34de0463f7ff50b2bd62a5cce4204:

  ARM: dts: bcm2835: add sdhost controller to devicetree (2017-03-17 17:35:50 -0700)

----------------------------------------------------------------
This pull request brings in the DT nodes for enabling HDMI audio on
Raspberry Pi, and nodes to describe the DSI and SDHOST hardware
modules (which are still disabled by default).

----------------------------------------------------------------
Boris Brezillon (1):
      ARM: dts: bcm283x: Add HDMI audio related properties

Eric Anholt (1):
      ARM: dts: bcm2835: Add the DSI module nodes and clocks.

Gerd Hoffmann (1):
      ARM: dts: bcm2835: add sdhost controller to devicetree

 arch/arm/boot/dts/bcm2835-rpi.dtsi | 14 +++++++++
 arch/arm/boot/dts/bcm283x.dtsi     | 60 ++++++++++++++++++++++++++++++++++++--
 2 files changed, 71 insertions(+), 3 deletions(-)

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#1608697

FromFlorian Fainelli <f.fainelli@gmail.com>
Date2017-03-24 18:20 +0100
Message-ID<toB2y-4No-11@gated-at.bofh.it>
In reply to#1605959
On 03/21/2017 12:39 PM, Eric Anholt wrote:
>   Linux 4.11-rc1 (2017-03-05 12:59:56 -0800)
> 
> are available in the git repository at:
> 
>   git://github.com/anholt/linux tags/bcm2835-dt-next-2017-03-21
> 
> for you to fetch changes up to 7f31a955a0c34de0463f7ff50b2bd62a5cce4204:
> 
>   ARM: dts: bcm2835: add sdhost controller to devicetree (2017-03-17 17:35:50 -0700)
> 
> ----------------------------------------------------------------
> This pull request brings in the DT nodes for enabling HDMI audio on
> Raspberry Pi, and nodes to describe the DSI and SDHOST hardware
> modules (which are still disabled by default).
> 
> ----------------------------------------------------------------

Merged, thanks Eric!
-- 
Florian

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#1609013

FromArnd Bergmann <arnd@arndb.de>
Date2017-03-24 23:30 +0100
Message-ID<toFSy-8c1-3@gated-at.bofh.it>
In reply to#1605959
On Tue, Mar 21, 2017 at 8:39 PM, Eric Anholt <eric@anholt.net> wrote:
>   Linux 4.11-rc1 (2017-03-05 12:59:56 -0800)
>
> are available in the git repository at:
>
>   git://github.com/anholt/linux tags/bcm2835-dt-next-2017-03-21
>
> for you to fetch changes up to 7f31a955a0c34de0463f7ff50b2bd62a5cce4204:
>
>   ARM: dts: bcm2835: add sdhost controller to devicetree (2017-03-17 17:35:50 -0700)
>
> ----------------------------------------------------------------
> This pull request brings in the DT nodes for enabling HDMI audio on
> Raspberry Pi, and nodes to describe the DSI and SDHOST hardware
> modules (which are still disabled by default).

Just a quick question: how do you plan to switch between the SD host
drivers? If I understand this right, there are two working hardware blocks
that can connect to the same slot. Do you have to configure this in
device tree using  hardwired pinctrl settings, or can the user pick
one of the drivers at runtime?

        Arnd

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#1609136

FromStefan Wahren <stefan.wahren@i2se.com>
Date2017-03-25 12:10 +0100
Message-ID<toRK2-8nF-11@gated-at.bofh.it>
In reply to#1609013
Hi Arnd,

i hope it's okay if i answer.

> Arnd Bergmann <arnd@arndb.de> hat am 24. März 2017 um 23:25 geschrieben:
> 
> 
> On Tue, Mar 21, 2017 at 8:39 PM, Eric Anholt <eric@anholt.net> wrote:
> >   Linux 4.11-rc1 (2017-03-05 12:59:56 -0800)
> >
> > are available in the git repository at:
> >
> >   git://github.com/anholt/linux tags/bcm2835-dt-next-2017-03-21
> >
> > for you to fetch changes up to 7f31a955a0c34de0463f7ff50b2bd62a5cce4204:
> >
> >   ARM: dts: bcm2835: add sdhost controller to devicetree (2017-03-17 17:35:50 -0700)
> >
> > ----------------------------------------------------------------
> > This pull request brings in the DT nodes for enabling HDMI audio on
> > Raspberry Pi, and nodes to describe the DSI and SDHOST hardware
> > modules (which are still disabled by default).
> 
> Just a quick question: how do you plan to switch between the SD host
> drivers? If I understand this right, there are two working hardware blocks
> that can connect to the same slot. Do you have to configure this in
> device tree using  hardwired pinctrl settings, or can the user pick
> one of the drivers at runtime?

via device tree

The relevant changes [1] hasn't been merged yet.

[1] - http://marc.info/?l=linux-mmc&m=148896494931931&w=2

> 
>         Arnd

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#1609883

FromArnd Bergmann <arnd@arndb.de>
Date2017-03-27 16:30 +0200
Message-ID<tpDOG-Ur-13@gated-at.bofh.it>
In reply to#1609136
On Sat, Mar 25, 2017 at 12:03 PM, Stefan Wahren <stefan.wahren@i2se.com> wrote:
>> Arnd Bergmann <arnd@arndb.de> hat am 24. März 2017 um 23:25 geschrieben:
>>
>> Just a quick question: how do you plan to switch between the SD host
>> drivers? If I understand this right, there are two working hardware blocks
>> that can connect to the same slot. Do you have to configure this in
>> device tree using  hardwired pinctrl settings, or can the user pick
>> one of the drivers at runtime?
>
> via device tree
>
> The relevant changes [1] hasn't been merged yet.
>
> [1] - http://marc.info/?l=linux-mmc&m=148896494931931&w=2

Ok, I see. I can't come up with any better idea either, but it's unfortunate
that we can't describe the hardware correctly in this case, with a DT that
lets the OS choose the right driver, so we can't have a DTB file that
work on old and new versions of Linux, or across operating systems
when some of them only provide one of the two drivers and other OSs
want to the use other one.

       Arnd

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