Thread (26 messages) 26 messages, 4 authors, 2016-03-28

[PATCH V7 2/6] i2c: qup: Add V2 tags support

From: Wolfram Sang <hidden>
Date: 2016-02-12 18:38:04
Also in: linux-arm-msm, linux-devicetree, linux-i2c, lkml

On Tue, Jan 19, 2016 at 03:32:42PM +0530, Sricharan R wrote:
QUP from version 2.1.1 onwards, supports a new format of
i2c command tags. Tag codes instructs the controller to
perform a operation like read/write. This new tagging version
supports bam dma and transfers of more than 256 bytes without 'stop'
in between. Adding the support for the same.

For each block a data_write/read tag and data_len tag is added to
the output fifo. For the final block of data write_stop/read_stop
tag is used.

Signed-off-by: Andy Gross <redacted>
Signed-off-by: Sricharan R <redacted>
Tested-by: Archit Taneja <redacted>
Tested-by: Telkar Nagender <redacted>
Applied to for-next, thanks!

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