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| author | Dirk Eibach <dirk.eibach@gdsys.cc> | 2014-07-03 09:28:21 +0200 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-07-07 19:47:19 -0400 |
| commit | 5568fb4402d5b0e01f61867c281b07633f529fd4 (patch) | |
| tree | 5a42735b241c7a94dc6c8667201ee4547fa3942a /board/gdsys | |
| parent | cccd4f407e7c71b18d4acd03ce2cfcbb3a001be9 (diff) | |
| download | u-boot-imx-5568fb4402d5b0e01f61867c281b07633f529fd4.zip u-boot-imx-5568fb4402d5b0e01f61867c281b07633f529fd4.tar.gz u-boot-imx-5568fb4402d5b0e01f61867c281b07633f529fd4.tar.bz2 | |
board: gdsys: Configure bridge on DP501 to support DDC only
The I2C bridge on DP501 supports EDID, MCCS and HDCP by default.
Allow EDID only to avoid I2C address conflicts.
Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
Diffstat (limited to 'board/gdsys')
| -rw-r--r-- | board/gdsys/common/dp501.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/board/gdsys/common/dp501.c b/board/gdsys/common/dp501.c index e00e589..7958bae 100644 --- a/board/gdsys/common/dp501.c +++ b/board/gdsys/common/dp501.c @@ -54,6 +54,7 @@ static void dp501_link_training(u8 addr) void dp501_powerup(u8 addr) { dp501_clrbits(addr, 0x0a, 0x30); /* power on encoder */ + dp501_setbits(addr, 0x0a, 0x0e); /* block HDCP and MCCS on I2C bride*/ i2c_reg_write(addr, 0x27, 0x30); /* Hardware auto detect DVO timing */ dp501_setbits(addr, 0x72, 0x80); /* DPCD read enable */ dp501_setbits(addr, 0x30, 0x20); /* RS polynomial select */ |