sunxi: video: Add support for LCD panels which need to be configured via i2c
This commits adds support for configuring a a bitbang i2c controller, which
is used on some boards to configure the LCD panel (via i2c).
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
index a170c56..bbb4d1b 100644
--- a/board/sunxi/Kconfig
+++ b/board/sunxi/Kconfig
@@ -344,6 +344,30 @@
---help---
Set this if the backlight pwm output is active low.
+config VIDEO_LCD_PANEL_I2C
+ bool "LCD panel needs to be configured via i2c"
+ depends on VIDEO
+ default m
+ ---help---
+ Say y here if the LCD panel needs to be configured via i2c. This
+ will add a bitbang i2c controller using gpios to talk to the LCD.
+
+config VIDEO_LCD_PANEL_I2C_SDA
+ string "LCD panel i2c interface SDA pin"
+ depends on VIDEO_LCD_PANEL_I2C
+ default "PG12"
+ ---help---
+ Set the SDA pin for the LCD i2c interface. 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_PANEL_I2C_SCL
+ string "LCD panel i2c interface SCL pin"
+ depends on VIDEO_LCD_PANEL_I2C
+ default "PG10"
+ ---help---
+ Set the SCL pin for the LCD i2c interface. This takes a string in the
+ format understood by sunxi_name_to_gpio, e.g. PH1 for pin 1 of port H.
+
# Note only one of these may be selected at a time! But hidden choices are
# not supported by Kconfig