linux-kernel - Re: [PATCH v2] ARM: dts: sun8i: R40: Add SPI controllers nodes and pinmuxes

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Date:   Mon, 6 Jan 2020 21:37:38 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Maxime Ripard <mripard@...nel.org>,
        Andre Przywara <andre.przywara@....com>
Cc:     Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-sunxi <linux-sunxi@...glegroups.com>,
        Icenowy Zheng <icenowy@...c.io>
Subject: Re: [PATCH v2] ARM: dts: sun8i: R40: Add SPI controllers nodes and pinmuxes

On Mon, Jan 6, 2020 at 4:56 PM Maxime Ripard <mripard@...nel.org> wrote:
>
> On Mon, Jan 06, 2020 at 12:38:49AM +0000, Andre Przywara wrote:
> > The Allwinner R40 SoC contains four SPI controllers, using the newer
> > sun6i design (but at the legacy addresses).
> > The controller seems to be fully compatible to the A64 one, so no driver
> > changes are necessary.
> > The first three controllers can be used on two sets of pins, but SPI3 is
> > only routed to one set on Port A.
> > Only the pin groups for SPI0 on PortC and SPI1 on PortI are added here,
> > because those seem to be the only one exposed on the Bananapi boards.
> >
> > Tested by connecting a SPI flash to a Bananapi M2 Berry SPI0 and SPI1
> > header pins.
> >
> > Signed-off-by: Andre Przywara <andre.przywara@....com>
>
> Applied, thanks!
> Maxime

Looks like this patch doesn't build. The SPI device nodes reference
a non-existent DMA node.

ChenYu