sunxi: video: Add support for Hitachi tx18d42vm LVDS LCD panels

Add support for Hitachi tx18d42vm LVDS LCD panels, these panels have a
lcd controller which needs to be initialized over SPI, once that is
done they work like a regular LVDS panel.

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

diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
index f1501d42554699e663f9c332915194e9f703c02c..0f47e610bcf923ee2cc10a5891dabba52d128f84 100644 (file)
--- a/board/sunxi/Kconfig
+++ b/board/sunxi/Kconfig
@@ -354,6 +354,13 @@ config VIDEO_LCD_PANEL_MIPI_4_LANE_513_MBPS_VIA_SSD2828
        ---help---
         7.85" 768x1024 LCD panels, such as LG LP079X01 or AUO B079XAN01.0
 
+config VIDEO_LCD_PANEL_HITACHI_TX18D42VM
+       bool "Hitachi tx18d42vm LCD panel"
+       select VIDEO_LCD_HITACHI_TX18D42VM
+       select VIDEO_LCD_IF_LVDS
+       ---help---
+       7.85" 1024x768 Hitachi tx18d42vm LCD panel support
+
 endchoice
 
 

diff --git a/drivers/video/sunxi_display.c b/drivers/video/sunxi_display.c
index a6e3778ffe799ac63b4df9c829fd3b210404d229..5077111daf90e44f4eb8be3519636cd94f3851a9 100644 (file)
--- a/drivers/video/sunxi_display.c
+++ b/drivers/video/sunxi_display.c
@@ -20,6 +20,7 @@
 #include <fdt_support.h>
 #include <video_fb.h>
 #include "videomodes.h"
+#include "hitachi_tx18d42vm_lcd.h"
 #include "ssd2828.h"
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -1004,6 +1005,10 @@ static void sunxi_mode_set(const struct ctfb_res_modes *mode,
                break;
        case sunxi_monitor_lcd:
                sunxi_lcdc_panel_enable();
+               if (IS_ENABLED(CONFIG_VIDEO_LCD_HITACHI_TX18D42VM)) {
+                       mdelay(50); /* Wait for lcd controller power on */
+                       hitachi_tx18d42vm_init();
+               }
                sunxi_composer_mode_set(mode, address);
                sunxi_lcdc_tcon0_mode_set(mode);
                sunxi_composer_enable();