[PATCH 0/3] arm64: dts: r8a7796: Add CAN/CAN FD support

Chris Paterson Chris.Paterson2 at renesas.com
Thu Nov 24 02:05:08 PST 2016


Hello Simon,

From: Simon Horman [mailto:horms at verge.net.au]
Sent: 23 November 2016 14:30
> On Wed, Nov 23, 2016 at 02:18:13PM +0100, Marc Kleine-Budde wrote:
> > On 11/23/2016 01:14 PM, Chris Paterson wrote:
> > > This patch series adds CAN and CAN FD support to the r8a7796.
> > >
> > > Based on renesas-devel-20161122-v4.9-rc6.
> > >
> > > Chris Paterson (3):
> > >   arm64: dts: r8a7796: Add CAN external clock support
> > >   arm64: dts: r8a7796: Add CAN support
> > >   arm64: dts: r8a7796: Add CAN FD support
> > >
> > >  .../devicetree/bindings/net/can/rcar_can.txt       | 12 +++--
> > >  .../devicetree/bindings/net/can/rcar_canfd.txt     | 12 +++--
> > >  arch/arm64/boot/dts/renesas/r8a7796.dtsi           | 61
> ++++++++++++++++++++++
> > >  3 files changed, 75 insertions(+), 10 deletions(-)
> >
> > For all three:
> >
> > Acked-by: Marc Kleine-Budde <mkl at pengutronix.de>
> >
> > Who takes this series?
> 
> I would like to see these patches split up so that the .../devicetree/bindings/
> portions can go through you whole the arch/arm64/boot/dts/renesas/
> portions go thorugh my renesas tree.

Okay, will do.

> 
> Regarding the arch/arm64/boot/dts/renesas/ portion, I would like some
> consideration given to what effect enabling memory above 4Gb (64bit
> addressing) would have.

Can you give me some guidance here? I'm not sure what you're referring to. As far as I know the DT reg definition here is 64-bit, or are you referring to DMA usage? If the later, neither CAN driver uses DMA.

Kind regards, Chris



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