sunxi: video: Add lcd output support

Add lcd output support, see the new Kconfig entries and doc/README.video for
how to enable / configure this.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>

1 files changed, 39 insertions, 4 deletions

diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
index 80dc3f96ba..b4d6107cd3 100644
--- a/board/sunxi/Kconfig
+++ b/board/sunxi/Kconfig
@@ -280,17 +280,52 @@ config USB2_VBUS_PIN
 	See USB1_VBUS_PIN help text.
 
 config VIDEO
-	boolean "Enable graphical uboot console on HDMI"
+	boolean "Enable graphical uboot console on HDMI, LCD or VGA"
 	default y
 	---help---
-	Say Y here to add support for using a cfb console on the HDMI output
-	found on most sunxi devices.
+	Say Y here to add support for using a cfb console on the HDMI, LCD
+	or VGA output found on most sunxi devices. See doc/README.video for
+	info on how to select the video output and mode.
+
+config VIDEO_LCD_MODE
+	string "LCD panel timing details"
+	depends on VIDEO
+	default ""
+	---help---
+	LCD panel timing details string, leave empty if there is no LCD panel.
+	This is in drivers/video/videomodes.c: video_get_params() format, e.g.
+	x:800,y:480,depth:18,pclk_khz:33000,le:16,ri:209,up:22,lo:22,hs:30,vs:1,sync:0,vmode:0
+
+config VIDEO_LCD_POWER
+	string "LCD panel power enable pin"
+	depends on VIDEO
+	default ""
+	---help---
+	Set the power enable pin for the LCD panel. 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_BL_EN
+	string "LCD panel backlight enable pin"
+	depends on VIDEO
+	default ""
+	---help---
+	Set the backlight enable pin for the LCD panel. This takes a string in the
+	the format understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of
+	port H.
+
+config VIDEO_LCD_BL_PWM
+	string "LCD panel backlight pwm pin"
+	depends on VIDEO
+	default ""
+	---help---
+	Set the backlight pwm pin for the LCD panel. This takes a string in the
+	format understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of port H.
 
 config USB_KEYBOARD
 	boolean "Enable USB keyboard support"
 	default y
 	---help---
 	Say Y here to add support for using a USB keyboard (typically used
-	in combination with a graphical console on HDMI).
+	in combination with a graphical console).
 
 endif