Re: [PATCH 1/2] can: sja1000: add documentation for Technologic Systems version

[Rob Herring <robh@kernel.org>]

On Fri, Dec 18, 2015 at 03:17:24PM -0500, Damien Riegel wrote:
> This commit adds documentation for the Technologic Systems version of
> SJA1000. The difference with the NXP version is in the way the registers
> are accessed.
> 
> Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
> ---
>  Documentation/devicetree/bindings/net/can/sja1000.txt | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/net/can/sja1000.txt b/Documentation/devicetree/bindings/net/can/sja1000.txt
> index b4a6d53..7a158d5 100644
> --- a/Documentation/devicetree/bindings/net/can/sja1000.txt
> +++ b/Documentation/devicetree/bindings/net/can/sja1000.txt
> @@ -2,7 +2,7 @@ Memory mapped SJA1000 CAN controller from NXP (formerly Philips)
>  
>  Required properties:
>  
> -- compatible : should be "nxp,sja1000".
> +- compatible : should be one of "nxp,sja1000", "technologic,sja1000".
>  
>  - reg : should specify the chip select, address offset and size required
>  	to map the registers of the SJA1000. The size is usually 0x80.
> @@ -14,6 +14,7 @@ Optional properties:
>  
>  - reg-io-width : Specify the size (in bytes) of the IO accesses that
>  	should be performed on the device.  Valid value is 1, 2 or 4.
> +	Must be set to 2 for technologic version.
>  	Default to 1 (8 bits).

Really, this should default to 2 for technologic version and not be 
required.

Rob