media: i2c: imx274: Add IMX274 power on and off sequence

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IMX274 has analog 2.8V supply, digital core 1.8V supply, and vddl digital
io 1.2V supply which are optional based on camera module design.

IMX274 also need external 24Mhz clock and is optional based on
camera module design.

This patch adds support for IMX274 power on and off to enable and
disable these supplies and external clock.

Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

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This commit is contained in:

Sowjanya Komatineni 2020-09-21 23:39:39 +02:00 • committed by Mauro Carvalho Chehab

parent f4fcf0108b

commit ad97bc3742

1 changed files with 134 additions and 50 deletions

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184

drivers/media/i2c/imx274.c

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