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diff --git a/Documentation/admin-guide/media/omap4_camera.rst b/Documentation/admin-guide/media/omap4_camera.rst new file mode 100644 index 0000000000..2ada9b1e68 --- /dev/null +++ b/Documentation/admin-guide/media/omap4_camera.rst @@ -0,0 +1,62 @@ +.. SPDX-License-Identifier: GPL-2.0 + +OMAP4 ISS Driver +================ + +Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> + +Copyright (C) 2012, Texas Instruments + +Introduction +------------ + +The OMAP44XX family of chips contains the Imaging SubSystem (a.k.a. ISS), +Which contains several components that can be categorized in 3 big groups: + +- Interfaces (2 Interfaces: CSI2-A & CSI2-B/CCP2) +- ISP (Image Signal Processor) +- SIMCOP (Still Image Coprocessor) + +For more information, please look in [#f1]_ for latest version of: +"OMAP4430 Multimedia Device Silicon Revision 2.x" + +As of Revision AB, the ISS is described in detail in section 8. + +This driver is supporting **only** the CSI2-A/B interfaces for now. + +It makes use of the Media Controller framework [#f2]_, and inherited most of the +code from OMAP3 ISP driver (found under drivers/media/platform/ti/omap3isp/\*), +except that it doesn't need an IOMMU now for ISS buffers memory mapping. + +Supports usage of MMAP buffers only (for now). + +Tested platforms +---------------- + +- OMAP4430SDP, w/ ES2.1 GP & SEVM4430-CAM-V1-0 (Contains IMX060 & OV5640, in + which only the last one is supported, outputting YUV422 frames). + +- TI Blaze MDP, w/ OMAP4430 ES2.2 EMU (Contains 1 IMX060 & 2 OV5650 sensors, in + which only the OV5650 are supported, outputting RAW10 frames). + +- PandaBoard, Rev. A2, w/ OMAP4430 ES2.1 GP & OV adapter board, tested with + following sensors: + * OV5640 + * OV5650 + +- Tested on mainline kernel: + + http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=summary + + Tag: v3.3 (commit c16fa4f2ad19908a47c63d8fa436a1178438c7e7) + +File list +--------- +drivers/staging/media/omap4iss/ +include/linux/platform_data/media/omap4iss.h + +References +---------- + +.. [#f1] http://focus.ti.com/general/docs/wtbu/wtbudocumentcenter.tsp?navigationId=12037&templateId=6123#62 +.. [#f2] http://lwn.net/Articles/420485/ |