[PATCH 1/3] i2c: at91: add setting HOLD field of TWIHS_CWGR via DT

Wolfram Sang wsa at the-dreams.de
Mon Nov 30 07:13:20 PST 2015


On Tue, Nov 24, 2015 at 02:47:40PM +0100, Ludovic Desroches wrote:
> From: Wenyou Yang <wenyou.yang at atmel.com>
> 
> Add the HOLD field management. Some i2c devices need a longer data hold
> time than the one given in the i2c bus specification. Since this value
> depends on the i2c device connected to the bus, add a DT property to
> configure it: "atmel,twd-hold-cycles".

We already have "i2c-sda-hold-time-ns". Can you use that one? Sorry that
this is not obviously documented, I am working on it...

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