From e40f10a4d146c8eab11d89fd01d2e098b2e30031 Mon Sep 17 00:00:00 2001 From: Marcel Ziswiler Date: Thu, 30 Jan 2014 16:31:35 +0100 Subject: colibri_t20: hack backlight gpio Hack backlight GPIO by manually untristating respective pinmux group. While at it add some comment to both the device-tree as well as the gpio command that manual untristating will be required on GPIO pins. --- board/toradex/colibri_t20/colibri_t20.dts | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'board/toradex/colibri_t20') diff --git a/board/toradex/colibri_t20/colibri_t20.dts b/board/toradex/colibri_t20/colibri_t20.dts index 48e0d19246..9270557540 100644 --- a/board/toradex/colibri_t20/colibri_t20.dts +++ b/board/toradex/colibri_t20/colibri_t20.dts @@ -87,7 +87,8 @@ */ /* Parameter 3 bit 0:1=output, 0=input; bit 1:1=high, 0=low */ - backlight-enable = <&gpio 156 1>; /* PT4 - SODIMM 71: BL_ON */ + backlight-enable = <&gpio 156 1>; /* PT4 - SODIMM 71: BL_ON, + requires manual untristating respective pin group! */ lvds-shutdown = <&gpio 255 1>; backlight-vdd = <&gpio 255 1>; panel-vdd = <&gpio 255 1>; -- cgit v1.2.3