Commit 39f45d7bc0df52db8a7dd099ac02fef89514b7fc
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Ben Dooks
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: Michel Pollet <buserror@gmail.com> [ben-linux@fluff.org: Fix header description] Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Documentation/kernel-parameters.txt
| ... | ... | @@ -1351,6 +1351,27 @@ |
| 1351 | 1351 | min_addr=nn[KMG] [KNL,BOOT,ia64] All physical memory below this |
| 1352 | 1352 | physical address is ignored. |
| 1353 | 1353 | |
| 1354 | + mini2440= [ARM,HW,KNL] | |
| 1355 | + Format:[0..2][b][c][t] | |
| 1356 | + Default: "0tb" | |
| 1357 | + MINI2440 configuration specification: | |
| 1358 | + 0 - The attached screen is the 3.5" TFT | |
| 1359 | + 1 - The attached screen is the 7" TFT | |
| 1360 | + 2 - The VGA Shield is attached (1024x768) | |
| 1361 | + Leaving out the screen size parameter will not load | |
| 1362 | + the TFT driver, and the framebuffer will be left | |
| 1363 | + unconfigured. | |
| 1364 | + b - Enable backlight. The TFT backlight pin will be | |
| 1365 | + linked to the kernel VESA blanking code and a GPIO | |
| 1366 | + LED. This parameter is not necessary when using the | |
| 1367 | + VGA shield. | |
| 1368 | + c - Enable the s3c camera interface. | |
| 1369 | + t - Reserved for enabling touchscreen support. The | |
| 1370 | + touchscreen support is not enabled in the mainstream | |
| 1371 | + kernel as of 2.6.30, a preliminary port can be found | |
| 1372 | + in the "bleeding edge" mini2440 support kernel at | |
| 1373 | + http://repo.or.cz/w/linux-2.6/mini2440.git | |
| 1374 | + | |
| 1354 | 1375 | mminit_loglevel= |
| 1355 | 1376 | [KNL] When CONFIG_DEBUG_MEMORY_INIT is set, this |
| 1356 | 1377 | parameter allows control of the logging verbosity for |