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authorChen-Yu Tsai <wens@csie.org>2015-01-12 10:02:11 (GMT)
committerHans de Goede <hdegoede@redhat.com>2015-01-14 13:56:40 (GMT)
commit507e27dfc9d6e1d196925dfd32409661cade45c0 (patch)
tree810835d8e46544caceaf44e745259cab4540a9f0 /board
parent2583d5b192fd31449abc74d239c149e02396926b (diff)
downloadu-boot-fsl-qoriq-507e27dfc9d6e1d196925dfd32409661cade45c0.tar.xz
sunxi: video: Add support for external DAC enable pin
The external DAC for VGA output might have either a power or reset control pin that needs to be pulled up, as is the case on the Hummingbird A31. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'board')
-rw-r--r--board/sunxi/Kconfig8
1 files changed, 8 insertions, 0 deletions
diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
index 5822b41..c5105bb 100644
--- a/board/sunxi/Kconfig
+++ b/board/sunxi/Kconfig
@@ -314,6 +314,14 @@ config VIDEO_VGA_VIA_LCD
LCD interface driving a VGA connector, such as found on the
Olimex A13 boards.
+config VIDEO_VGA_EXTERNAL_DAC_EN
+ string "LCD panel power enable pin"
+ depends on VIDEO_VGA_VIA_LCD
+ default ""
+ ---help---
+ Set the enable pin for the external VGA DAC. This takes a string in the
+ format understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of port H.
+
config VIDEO_LCD_MODE
string "LCD panel timing details"
depends on VIDEO