From 507e27dfc9d6e1d196925dfd32409661cade45c0 Mon Sep 17 00:00:00 2001 From: Chen-Yu Tsai Date: Mon, 12 Jan 2015 18:02:11 +0800 Subject: 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 Acked-by: Hans de Goede Signed-off-by: Hans de Goede --- board/sunxi/Kconfig | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'board/sunxi') diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig index 5822b4126cf..c5105bbb38d 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 -- cgit v1.2.3