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81a409bfd5
The sensor needs the MCLK clock running when it's being probed. On platforms where the sensor is instantiated from a DT (MMP2) it is going to happen asynchronously. Therefore, the current modus operandi, where the bridge driver fiddles with the sensor power and clock itself is not going to fly. As the comments wisely note, this doesn't even belong there. Luckily, the ov7670 driver is already able to control its power and reset lines, we can just drop the MMP platform glue altogether. It also requests the clock via the standard clock subsystem. Good -- let's set up a clock instance so that the sensor can ask us to enable the clock. Note that this is pretty dumb at the moment: the clock is hardwired to a particular frequency and parent. It was always the case. Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
31 lines
973 B
Plaintext
31 lines
973 B
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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config VIDEO_CAFE_CCIC
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tristate "Marvell 88ALP01 (Cafe) CMOS Camera Controller support"
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depends on PCI && I2C && VIDEO_V4L2
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depends on COMMON_CLK
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select VIDEO_OV7670
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select VIDEOBUF2_VMALLOC
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select VIDEOBUF2_DMA_CONTIG
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select VIDEOBUF2_DMA_SG
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help
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This is a video4linux2 driver for the Marvell 88ALP01 integrated
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CMOS camera controller. This is the controller found on first-
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generation OLPC systems.
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config VIDEO_MMP_CAMERA
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tristate "Marvell Armada 610 integrated camera controller support"
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depends on I2C && VIDEO_V4L2
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depends on ARCH_MMP || COMPILE_TEST
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depends on COMMON_CLK
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select VIDEO_OV7670
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select I2C_GPIO
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select VIDEOBUF2_VMALLOC
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select VIDEOBUF2_DMA_CONTIG
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select VIDEOBUF2_DMA_SG
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help
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This is a Video4Linux2 driver for the integrated camera
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controller found on Marvell Armada 610 application
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processors (and likely beyond). This is the controller found
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in OLPC XO 1.75 systems.
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