Subject: Re: [PATCH v8 1/3] can: Allwinner A10/A20 CAN Controller support - Devicetree bindings

From: Maxime Ripard <[email-masked]>
Date: Thu, 17 Sep 2015 12:06:17 +0200

On Thu, Sep 17, 2015 at 10:04:56AM +0200, Marc Kleine-Budde wrote:
> On 09/16/2015 01:21 PM, Gerhard Bertelsmann wrote:
> > Devicetree bindings for Allwinner A10/A20 CAN
> > 
> > Signed-off-by: Gerhard Bertelsmann <[email-masked]>
> > ---
> > 
> >  .../devicetree/bindings/net/can/sun4i_can.txt      |  38 +
> >  1 files changed, 389 insertions(+)
> > 
> > 
> > diff --git a/Documentation/devicetree/bindings/net/can/sun4i_can.txt b/Documentation/devicetree/bindings/net/can/sun4i_can.txt
> > new file mode 100644
> > index 0000000..cd0f50c
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/net/can/sun4i_can.txt
> > @@ -0,0 +1,38 @@
> > +Allwinner A10/A20 CAN controller Device Tree Bindings
> > +-----------------------------------------------------
> > +
> > +Required properties:
> > +- compatible: "allwinner,sun4i-a10-can"
> > +- reg: physical base address and size of the Allwinner A10/A20 CAN register map.
> > +- interrupts: interrupt specifier for the sole interrupt.
> > +- clock: phandle and clock specifier.
> > +
> > +
> > +Example
> > +-------
> > +
> > +SoC common .dtsi file:
> > +
> > +	can0_pins_a: can0@0 {
> > +		allwinner,pins = "PH20","PH21";
> > +		allwinner,function = "can";
> > +		allwinner,drive = <0>;
> > +		allwinner,pull = <0>;
> > +	};
> > +...
> > +	can0: can@01c2bc00 {
> > +		compatible = "allwinner,sun4i-a10-can";
> > +		reg = <0x01c2bc00 0x400>;
> > +		interrupts = <0 26 4>;
> > +		clocks = <&apb1_gates 4>;
> > +		status = "disabled";
> > +	};
> 
> What about adding this snippet to SoC where the CAN core is available?
> Maxime, what's the policy on sinxi?

It would be great, but it can come as a second step.

> If you give me an Ack I'd like to take the series via linux-can-next
> (and to net-next) upstream.

I just did so for this patch, I'll review the driver when I'll have a
bit of time.

Thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com