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| author | Juergen Beisert <jbe@pengutronix.de> | 2010-12-21 12:25:21 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2010-12-21 16:03:41 +0100 |
| commit | 31a43f8e23f2139bfb9d09441e3633c74b9e11bf (patch) | |
| tree | 4e77b75628086608d8ed11996e241defb0a7706b /arch/arm/boards/chumby_falconwing | |
| parent | 5f10852e76bc59ef468d8089a01407d9e4e708cc (diff) | |
| download | barebox-31a43f8e23f2139bfb9d09441e3633c74b9e11bf.tar.gz barebox-31a43f8e23f2139bfb9d09441e3633c74b9e11bf.tar.xz | |
ARM Chumby: Add list of available GPIOs and their meaning
Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/boards/chumby_falconwing')
| -rw-r--r-- | arch/arm/boards/chumby_falconwing/falconwing.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/arch/arm/boards/chumby_falconwing/falconwing.c b/arch/arm/boards/chumby_falconwing/falconwing.c index f5ed1335a6..76ff9068ff 100644 --- a/arch/arm/boards/chumby_falconwing/falconwing.c +++ b/arch/arm/boards/chumby_falconwing/falconwing.c @@ -390,4 +390,89 @@ make ARCH=arm CROSS_COMPILE=armv5compiler partition or you can do it in the classic way: mkfs on it, mount it and copy all required data and programs into it. +@section gpio_falconwing Available GPIOs + +The Falconwing uses some GPIOs to control various features. With the regular +GPIO commands these features can be controlled at @a barebox's runtime. + +<table width="100%" border="1" cellspacing="1" cellpadding="3"> + <tr> + <td>No</td> + <td>Direction</td> + <td>Function</td> + <td>Reset</td> + <td>Set</td> + </tr> + <tr> + <td>8</td> + <td>Output</td> + <td>Switch Audio Amplifier</td> + <td>Off</td> + <td>On</td> + </tr> + <tr> + <td>11</td> + <td>Input</td> + <td>Head Phone Detection</td> + <td>TBD</td> + <td>TBD</td> + </tr> + <tr> + <td>14</td> + <td>Input</td> + <td>Unused (J113)</td> + <td>User</td> + <td>User</td> + </tr> + <tr> + <td>15</td> + <td>Input</td> + <td>Unused (J114)</td> + <td>User</td> + <td>User</td> + </tr> + <tr> + <td>26</td> + <td>Output</td> + <td>USB Power</td> + <td>TBD</td> + <td>TBD</td> + </tr> + <tr> + <td>27</td> + <td>Input</td> + <td>Display Connected</td> + <td>Display<br>Attached</td> + <td>Display<br>Disconnected</td> + </tr> + <tr> + <td>29</td> + <td>Output</td> + <td>USB HUB Reset</td> + <td>TBD</td> + <td>TBD</td> + </tr> + <tr> + <td>50</td> + <td>Output</td> + <td>Display Reset</td> + <td>Display<br>Reset</td> + <td>Display<br>Running</td> + </tr> + <tr> + <td>60</td> + <td>Output</td> + <td>Display Backlight</td> + <td>Backlight<br>Off</td> + <td>Backlight<br>On (100 %)</td> + </tr> + <tr> + <td>62</td> + <td>Input</td> + <td>Bend</td> + <td>Not pressed</td> + <td>Pressed</td> + </tr> +</table> + */ |