[PATCH 1/4 v2] powerpc: document max-speed and interface-type properties

Kumar Gala galak at kernel.crashing.org
Sat Apr 14 03:00:32 EST 2007


On Apr 13, 2007, at 1:25 AM, Kim Phillips wrote:

> Since ucc_geth is being migrated to use the phylib, the existing
> (undocumented) 'interface' property is being deprecated in favour
> of unconjoined variations 'max-speed' and 'interface-type'.
>
> interface-type is now maintained one-to-one with definitions
> in include/linux/phy.h.  If not specified, "mii" is assumed.
>
> max-speed is available for users to override the interface-derived
> speed, e.g. rgmii at 100Mbit/s.
>
> Signed-off-by: Kim Phillips <kim.phillips at freescale.com>
> ---
> moved to recommended section (from required), removed sgmii, added  
> rgmii-id.

any reason to remove sgmii?  What is rgmii-id?

- k

>
> please consider for 2.6.22
>
>  Documentation/powerpc/booting-without-of.txt |    5 +++++
>  1 files changed, 5 insertions(+), 0 deletions(-)
>
> diff --git a/Documentation/powerpc/booting-without-of.txt b/ 
> Documentation/powerpc/booting-without-of.txt
> index 88cdb59..cb8c6fb 100644
> --- a/Documentation/powerpc/booting-without-of.txt
> +++ b/Documentation/powerpc/booting-without-of.txt
> @@ -1562,6 +1562,10 @@ platforms are moved over to use the  
> flattened-device-tree model.
>       network device.  This is used by the bootwrapper to interpret
>       MAC addresses passed by the firmware when no information other
>       than indices is available to associate an address with a device.
> +   - interface-type : a string naming the controller/PHY interface  
> type,
> +     i.e., "mii" (default), "rmii", "gmii", "rgmii", "rgmii-id",  
> "tbi", or "rtbi".
> +   - max-speed : The maximum speed supported by the controller (in  
> Mbit/s)
> +     this is used if the user wants to override the interface- 
> derived speed.
>
>     Example:
>  	ucc at 2000 {
> @@ -1573,6 +1577,7 @@ platforms are moved over to use the flattened- 
> device-tree model.
>  		interrupts = <a0 0>;
>  		interrupt-parent = <700>;
>  		mac-address = [ 00 04 9f 00 23 23 ];
> +		interface-type = "rgmii";
>  		rx-clock = "none";
>  		tx-clock = "clk9";
>  		phy-handle = <212000>;
> -- 
> 1.5.0.1




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