[ARM] 4750/1: [AT91] STN LCD displays on SAM9261

Add support for STN LCD displays on Atmel AT91SAM9261-based boards.

Patch from Nicolas Ferre.

Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 12 insertions, 0 deletions

diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index 64979a9023c2..1d03844a607a 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -507,6 +507,17 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
                 return;
         }
 
+#if defined(CONFIG_FB_ATMEL_STN)
+        at91_set_A_periph(AT91_PIN_PB0, 0);     /* LCDVSYNC */
+        at91_set_A_periph(AT91_PIN_PB1, 0);     /* LCDHSYNC */
+        at91_set_A_periph(AT91_PIN_PB2, 0);     /* LCDDOTCK */
+        at91_set_A_periph(AT91_PIN_PB3, 0);     /* LCDDEN */
+        at91_set_A_periph(AT91_PIN_PB4, 0);     /* LCDCC */
+        at91_set_A_periph(AT91_PIN_PB5, 0);     /* LCDD0 */
+        at91_set_A_periph(AT91_PIN_PB6, 0);     /* LCDD1 */
+        at91_set_A_periph(AT91_PIN_PB7, 0);     /* LCDD2 */
+        at91_set_A_periph(AT91_PIN_PB8, 0);     /* LCDD3 */
+#else
         at91_set_A_periph(AT91_PIN_PB1, 0);     /* LCDHSYNC */
         at91_set_A_periph(AT91_PIN_PB2, 0);     /* LCDDOTCK */
         at91_set_A_periph(AT91_PIN_PB3, 0);     /* LCDDEN */
@@ -529,6 +540,7 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
         at91_set_B_periph(AT91_PIN_PB26, 0);    /* LCDD21 */
         at91_set_B_periph(AT91_PIN_PB27, 0);    /* LCDD22 */
         at91_set_B_periph(AT91_PIN_PB28, 0);    /* LCDD23 */
+#endif
 
         lcdc_data = *data;
         platform_device_register(&at91_lcdc_device);