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Date:   Sun, 7 Apr 2019 17:08:23 +0200
From:   Clément Péron <peron.clem@...il.com>
To:     Clément Péron <peron.clem@...il.com>,
        linux-sunxi@...glegroups.com,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>, Rob Herring <robh+dt@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Mark Rutland <mark.rutland@....com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S. Miller" <davem@...emloft.net>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Arend van Spriel <arend.vanspriel@...adcom.com>,
        Franky Lin <franky.lin@...adcom.com>,
        Hante Meuleman <hante.meuleman@...adcom.com>,
        Chi-Hsien Lin <chi-hsien.lin@...ress.com>,
        Wright Feng <wright.feng@...ress.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        Naveen Gupta <naveen.gupta@...ress.com>,
        dri-devel@...ts.freedesktop.org,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
        linux-wireless@...r.kernel.org,
        brcm80211-dev-list.pdl@...adcom.com,
        brcm80211-dev-list@...ress.com, linux-gpio@...r.kernel.org
Subject: Re: [linux-sunxi] [PATCH 00/12] Add support for Orange Pi 3

Hi,

On Sun, 7 Apr 2019 at 16:32, Ondřej Jirman <megous@...ous.com> wrote:
>
> On Sun, Apr 07, 2019 at 03:36:21PM +0200, Clément Péron wrote:
> > Hi,
> >
> > On Sat, 6 Apr 2019 at 01:45, megous via linux-sunxi
> > <linux-sunxi@...glegroups.com> wrote:
> > >
> > > From: Ondrej Jirman <megous@...ous.com>
> > >
> > > This series implements support for Xunlong Orange Pi 3 board.
> >
> > OrangePi 3 Lite2 and One Plus boards support has already been merged.
> > The support is not complete but you should rebase your patches on top
> > of sunxi/for-next
>
> Hi,
>
> OrangePi 3 is somewhat different from these two boards (mostly it has a differnt
> power tree). It doesn't use the AXP regulators that are defined in the
> sun50i-h6-orangepi.dtsi in the same way.
>
> For example:
>
> - bldo3 (is turned always on in sun50i-h6-orangepi.dtsi but unused for opi3)
> - cldo2 and cldo3 are unused on opi3 and have nothing to do with WiFi
> - aldo3 is not for dram
> - bldo1 on the other hand is for dram on opi3
> - some other regulators are used for different/more functions and thus
>   named differntly
> - USB id-det pin is differnt
> - ...
>
> OrangePi 3 is not a superset of what is defined in sun50i-h6-orangepi.dtsi.
>
> So to base Orange Pi 3 dts on top of existing sun50i-h6-orangepi.dtsi I'd have
> to first move some things out of the base dtsi to the OrangePi Lite2 and One
> Plus board dts files, in order to have sun50i-h6-orangepi.dtsi only describe HW
> that is *really* shared by these 2 boards and Orange Pi 3.
>
> If I do that, I'd undefine all the axp805 regulator nodes and move the
> configurations to each of the 3 board files. That will probably end up being
> the least confusing and most maintainable. See axp81x.dtsi lines 86-144 for
> what I mean.
>
> What do you think? Is this acceptable to everyone?

Indeed it seems to be a totally different board, not as much in common
as I thought with Lite2 and One Plus.

You should also add your board in Documentation
devicetree/bindings/arm/sunxi.yaml

Regards,
Clement



>
> regards,
>   o.
>
> > https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux.git/tree/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi.dtsi?h=sunxi/for-next
> >
> > Regards,
> > Clement
> >
> > >
> > > Unfortunately, this board needs some small driver patches, so I have
> > > split the boards DT patch into chunks that require patches for drivers
> > > in various subsystems:
> > >
> > > - Basic DT for the board  (patch 1)
> > > - HDMI support            (patches 2, 3, 4)
> > > - Ethernet support        (patches 5, 6, 7)
> > > - WiFi support            (patches 8, 9, 10, 11, 12)
> > >
> > > This patch is also needed to not get segfault on boot:
> > >   https://lkml.org/lkml/2019/4/5/856
> > >
> > > Please take a look.
> > >
> > > regards,
> > >   Ondrej Jirman
> > >
> > > Icenowy Zheng (2):
> > >   net: stmmac: sun8i: add support for Allwinner H6 EMAC
> > >   net: stmmac: sun8i: force select external PHY when no internal one
> > >
> > > Ondrej Jirman (10):
> > >   arm64: dts: allwinner: h6: Add Orange Pi 3 DTS
> > >   drm: sun4i: Add support for enabling DDC I2C bus to dw_hdmi glue
> > >   dt-bindings: display: sun4i-drm: Add DDC power supply
> > >   arm64: dts: allwinner: orange-pi-3: Enable HDMI output
> > >   arm64: dts: allwinner: orange-pi-3: Enable ethernet
> > >   arm64: dts: allwinner: h6: Add MMC1 pins
> > >   pinctrl: sunxi: Prepare for alternative bias voltage setting methods
> > >   pinctrl: sunxi: Support I/O bias voltage setting on H6
> > >   brcmfmac: Loading the correct firmware for brcm43456
> > >   arm64: dts: allwinner: orange-pi-3: Enable WiFi
> > >
> > >  .../bindings/display/sunxi/sun4i-drm.txt      |   1 +
> > >  arch/arm64/boot/dts/allwinner/Makefile        |   1 +
> > >  .../dts/allwinner/sun50i-h6-orangepi-3.dts    | 339 ++++++++++++++++++
> > >  arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi  |   9 +
> > >  drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c         |  17 +-
> > >  drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h         |   1 +
> > >  .../net/ethernet/stmicro/stmmac/dwmac-sun8i.c |  22 ++
> > >  .../broadcom/brcm80211/brcmfmac/sdio.c        |   4 +-
> > >  drivers/pinctrl/sunxi/pinctrl-sun50i-h6.c     |   1 +
> > >  drivers/pinctrl/sunxi/pinctrl-sun9i-a80.c     |   2 +-
> > >  drivers/pinctrl/sunxi/pinctrl-sunxi.c         |  50 ++-
> > >  drivers/pinctrl/sunxi/pinctrl-sunxi.h         |   7 +-
> > >  12 files changed, 433 insertions(+), 21 deletions(-)
> > >  create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts
> > >
> > > --
> > > 2.21.0
> > >
> > > --
> > > You received this message because you are subscribed to the Google Groups "linux-sunxi" group.
> > > To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscribe@...glegroups.com.
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