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Commit 39f45d7b authored by Michel Pollet's avatar Michel Pollet Committed by Ben Dooks
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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: default avatarMichel Pollet <buserror@gmail.com>
[ben-linux@fluff.org: Fix header description]
Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent 5102aa4a

Documentation/kernel-parameters.txt

+21 −0
Original line number Diff line number Diff line
@@ -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