Subject: [PATCH 09/10 RESEND] spi: Add SSP/SPI device tree documentation

From: [email-masked] (Marek Vasut)
Date: Tue, 24 Jul 2012 21:43:48 +0200

Dear Sergei Shtylyov,

> Hello.
> 
> On 07/24/2012 12:40 AM, Marek Vasut wrote:
> > Signed-off-by: Marek Vasut <[email-masked]>
> > Cc: Attila Kinali <[email-masked]>
> > Cc: Chris Ball <[email-masked]>
> > CC: Dong Aisheng <[email-masked]>
> > Cc: Fabio Estevam <[email-masked]>
> > Cc: Grant Likely <[email-masked]>
> > Cc: Linux ARM kernel <[email-masked]>
> > Cc: Mark Brown <[email-masked]>
> > CC: Shawn Guo <[email-masked]>
> > ---
> > 
> >  Documentation/devicetree/bindings/spi/mxs-spi.txt |   18
> >  ++++++++++++++++++ 1 file changed, 18 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/spi/mxs-spi.txt
> > 
> > diff --git a/Documentation/devicetree/bindings/spi/mxs-spi.txt
> > b/Documentation/devicetree/bindings/spi/mxs-spi.txt new file mode 100644
> > index 0000000..f1263a9
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/spi/mxs-spi.txt
> > @@ -0,0 +1,18 @@
> > +* Freescale MX233/MX28 SSP/SPI
> > +
> > +Required properties:
> > +- compatible: Should be "fsl,<soc>-spi", where soc is "imx23" or "imx28"
> > +- reg: Offset and length of the register set for the device
> > +- interrupts: Should contain SSP interrupts (error irq first, dma irq
> > second) +- fsl,ssp-dma-channel: APBX DMA channel for the SSP
> > +
> > +Example:
> > +
> > +ssp0: ssp at 80010000 {
> > +	#address-cells = <1>;
> > +	#size-cells = <0>;
> > +	compatible = "fsl,imx28-spi";
> > +	reg = <0x80010000 2000>;
> 
>    Not 0x2000?

This is actually not the first place I was curious about in the imx28 DTS ... 
yes, the size is 0x2000, but "2000" as is is used in multiple places across 
imx28. Shawn?

> WBR, Sergei

Best regards,
Marek Vasut