Thread (6 messages) 6 messages, 3 authors, 2015-11-30

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

From: Ludovic Desroches <hidden>
Date: 2015-11-30 15:57:25
Also in: linux-devicetree, linux-i2c, lkml

On Mon, Nov 30, 2015 at 04:13:20PM +0100, Wolfram Sang wrote:
On Tue, Nov 24, 2015 at 02:47:40PM +0100, Ludovic Desroches wrote:
quoted
From: Wenyou Yang <redacted>

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...
I think we can use it, I'll rework the patch to convert duration in
number of cycles.
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