[ARM] pxa: Add Colibri LCD functions

This adds LCD functions for Colibri PXA300 and Colibri PXA320 and
configures a LQ043T3DX02 panel.

Original-code-by: Matthias Meier <matthias.j.meier@gmx.net>
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Eric Miao <eric.miao@marvell.com>

1 files changed, 46 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/colibri-pxa3xx.c b/arch/arm/mach-pxa/colibri-pxa3xx.c
index cbaa8424fc86..12d0afc54aa5 100644
--- a/arch/arm/mach-pxa/colibri-pxa3xx.c
+++ b/arch/arm/mach-pxa/colibri-pxa3xx.c
@@ -23,6 +23,7 @@
 #include <mach/mfp-pxa300.h>
 #include <mach/colibri.h>
 #include <mach/mmc.h>
+#include <mach/pxafb.h>
 
 #include "generic.h"
 #include "devices.h"
@@ -73,3 +74,48 @@ void __init colibri_pxa3xx_init_mmc(mfp_cfg_t *pins, int len, int detect_pin)
 }
 #endif /* CONFIG_MMC_PXA || CONFIG_MMC_PXA_MODULE */
 
+#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
+static int lcd_bl_pin;
+
+/*
+ * LCD panel (Sharp LQ043T3DX02)
+ */
+static void colibri_lcd_backlight(int on)
+{
+        gpio_set_value(lcd_bl_pin, !!on);
+}
+
+static struct pxafb_mode_info sharp_lq43_mode = {
+        .pixclock       = 101936,
+        .xres           = 480,
+        .yres           = 272,
+        .bpp            = 32,
+        .depth          = 18,
+        .hsync_len      = 41,
+        .left_margin    = 2,
+        .right_margin   = 2,
+        .vsync_len      = 10,
+        .upper_margin   = 2,
+        .lower_margin   = 2,
+        .sync           = 0,
+        .cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info sharp_lq43_info = {
+        .modes          = &sharp_lq43_mode,
+        .num_modes      = 1,
+        .cmap_inverse   = 0,
+        .cmap_static    = 0,
+        .lcd_conn       = LCD_COLOR_TFT_18BPP,
+        .pxafb_backlight_power = colibri_lcd_backlight,
+};
+
+void __init colibri_pxa3xx_init_lcd(int bl_pin)
+{
+        lcd_bl_pin = bl_pin;
+        gpio_request(bl_pin, "lcd backlight");
+        gpio_direction_output(bl_pin, 0);
+        set_pxa_fb_info(&sharp_lq43_info);
+}
+#endif
+