[Linux-stm32] [PATCH 1/1] net: ethernet: stmmac: simplify phy modes management for stm32

Christophe ROULLIER christophe.roullier at st.com
Thu Feb 13 07:03:27 UTC 2020


Gentle reminder

Thanks

On 1/30/20 2:29 PM, Christophe ROULLIER wrote:
> On 1/29/20 11:51 AM, David Miller wrote:
>> From: Christophe Roullier <christophe.roullier at st.com>
>> Date: Tue, 28 Jan 2020 09:39:42 +0100
>>
>>> No new feature, just to simplify stm32 part to be easier to use.
>>> Add by default all Ethernet clocks in DT, and activate or not in 
>>> function
>>> of phy mode, clock frequency, if property "st,ext-phyclk" is set or 
>>> not.
>>> Keep backward compatibility
>>> -----------------------------------------------------------------------
>>> |PHY_MODE | Normal | PHY wo crystal|   PHY wo crystal   |  No 125Mhz  |
>>> |         |        |      25MHz    |        50MHz       | from PHY   |
>>> -----------------------------------------------------------------------
>>> |  MII    |     -    |     eth-ck    |       n/a |        n/a  |
>>> |         |        | st,ext-phyclk | |             |
>>> -----------------------------------------------------------------------
>>> |  GMII   |     -    |     eth-ck    |       n/a |        n/a  |
>>> |         |        | st,ext-phyclk | |             |
>>> -----------------------------------------------------------------------
>>> | RGMII   |     -    |     eth-ck    |       n/a |      eth-ck  |
>>> |         |        | st,ext-phyclk | |st,eth-clk-sel|
>>> |         |        |               | |       or     |
>>> |         |        |               |                    | 
>>> st,ext-phyclk|
>>> ------------------------------------------------------------------------ 
>>>
>>> | RMII    |     -    |     eth-ck    |      eth-ck |         n/a  |
>>> |         |        | st,ext-phyclk | st,eth-ref-clk-sel 
>>> |              |
>>> |         |        |               | or st,ext-phyclk |              |
>>> ------------------------------------------------------------------------ 
>>>
>>>
>>> Signed-off-by: Christophe Roullier <christophe.roullier at st.com>
>> If anything, this is more of a cleanup, and therefore only 
>> appropriate for
>> net-next when it opens back up.
> Thanks David, It is not urgent, do you want that I re-push it with 
> "PATCH net next" ?


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