This is my third try for Olimex SAM9-L9260/61 board support patches.
Here follows the first patch.
---
Boards utilizing the Atmel LCD driver can now specify that the LCD clock must
be inverted by defining the macro CONFIG_LCD_INVERTED_CLOCK.
---
README | 5 +++++
drivers/video/atmel_lcdfb.c | 3 +++
2 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/README b/README
index de700bd..d7c0afe 100644
--- a/README
+++ b/README
@@ -1063,6 +1063,11 @@ The following options need to be configured:
Normally display is black on white background; define
CONFIG_SYS_WHITE_ON_BLACK to get it inverted.
+ CONFIG_LCD_INVERTED_CLOCK
+ Define this if your LCD needs inverted clock polarity. Note
+ that this feature will work only if the selected LCD driver
+ and hardware controller support it.
+
- Splash Screen Support: CONFIG_SPLASH_SCREEN
If this option is set, the environment is checked for
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index db86763..d3e988e 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -112,6 +112,9 @@ void lcd_ctrl_init(void *lcdbase)
value |= panel_info.vl_sync;
value |= (panel_info.vl_bpix << 5);
+#if defined(CONFIG_LCD_INVERTED_CLOCK)
+ value |= ATMEL_LCDC_INVCLK_INVERTED;
+#endif
lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDCON2, value);
/* Vertical timing */
--
1.5.6.1
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