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authorMichel Pollet <buserror@gmail.com>2009-05-20 11:10:31 +0100
committerBen Dooks <ben-linux@fluff.org>2009-06-15 22:10:06 +0100
commit39f45d7bc0df52db8a7dd099ac02fef89514b7fc (patch)
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parent5102aa4acdbde305646ae60c5eec7042b5016a0e (diff)
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[ARM] MINI2440: Document the mini2440= kernel parameter
Also explains why the touchscreen support is not present, and were to find a working one... Signed-off-by: Michel Pollet <buserror@gmail.com> [ben-linux@fluff.org: Fix header description] Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r--Documentation/kernel-parameters.txt21
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diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 5f66ba295c5d..4b765b7ded9f 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1351,6 +1351,27 @@ and is between 256 and 4096 characters. It is defined in the file
min_addr=nn[KMG] [KNL,BOOT,ia64] All physical memory below this
physical address is ignored.
+ mini2440= [ARM,HW,KNL]
+ Format:[0..2][b][c][t]
+ Default: "0tb"
+ MINI2440 configuration specification:
+ 0 - The attached screen is the 3.5" TFT
+ 1 - The attached screen is the 7" TFT
+ 2 - The VGA Shield is attached (1024x768)
+ Leaving out the screen size parameter will not load
+ the TFT driver, and the framebuffer will be left
+ unconfigured.
+ b - Enable backlight. The TFT backlight pin will be
+ linked to the kernel VESA blanking code and a GPIO
+ LED. This parameter is not necessary when using the
+ VGA shield.
+ c - Enable the s3c camera interface.
+ t - Reserved for enabling touchscreen support. The
+ touchscreen support is not enabled in the mainstream
+ kernel as of 2.6.30, a preliminary port can be found
+ in the "bleeding edge" mini2440 support kernel at
+ http://repo.or.cz/w/linux-2.6/mini2440.git
+
mminit_loglevel=
[KNL] When CONFIG_DEBUG_MEMORY_INIT is set, this
parameter allows control of the logging verbosity for