sh: Add LCDC Panel support for EcoVec24

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 28 insertions, 2 deletions

diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 55ff7357e79..428d1187ce5 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -219,7 +219,6 @@ static struct sh_mobile_lcdc_info lcdc_info = {
                 .interface_type = RGB18,
                 .chan = LCDC_CHAN_MAINLCD,
                 .bpp = 16,
-                .clock_divider = 1,
                 .lcd_cfg = {
                         .sync = 0, /* hsync and vsync are active low */
                 },
@@ -337,6 +336,7 @@ static struct platform_device *ecovec_devices[] __initdata = {
 };
 
 #define PORT_HIZA 0xA4050158
+#define IODRIVEA  0xA405018A
 static int __init devices_setup(void)
 {
         /* enable SCIFA0 */
@@ -422,9 +422,13 @@ static int __init devices_setup(void)
         gpio_direction_output(GPIO_PTR1, 0);
         gpio_direction_output(GPIO_PTA2, 0);
 
+        /* I/O buffer drive ability is low */
+        ctrl_outw((ctrl_inw(IODRIVEA) & ~0x00c0) | 0x0040 , IODRIVEA);
+
         if (gpio_get_value(GPIO_PTE6)) {
                 /* DVI */
                 lcdc_info.clock_source                  = LCDC_CLK_EXTERNAL;
+                lcdc_info.ch[0].clock_divider           = 1,
                 lcdc_info.ch[0].lcd_cfg.name            = "DVI";
                 lcdc_info.ch[0].lcd_cfg.xres            = 1280;
                 lcdc_info.ch[0].lcd_cfg.yres            = 720;
@@ -439,7 +443,29 @@ static int __init devices_setup(void)
                 gpio_set_value(GPIO_PTU1, 1);
         } else {
                 /* Panel */
-                /* not supported */
+
+                lcdc_info.clock_source                  = LCDC_CLK_PERIPHERAL;
+                lcdc_info.ch[0].clock_divider           = 2,
+                lcdc_info.ch[0].lcd_cfg.name            = "Panel";
+                lcdc_info.ch[0].lcd_cfg.xres            = 800;
+                lcdc_info.ch[0].lcd_cfg.yres            = 480;
+                lcdc_info.ch[0].lcd_cfg.left_margin     = 220;
+                lcdc_info.ch[0].lcd_cfg.right_margin    = 110;
+                lcdc_info.ch[0].lcd_cfg.hsync_len       = 70;
+                lcdc_info.ch[0].lcd_cfg.upper_margin    = 20;
+                lcdc_info.ch[0].lcd_cfg.lower_margin    = 5;
+                lcdc_info.ch[0].lcd_cfg.vsync_len       = 5;
+
+                gpio_set_value(GPIO_PTR1, 1);
+
+                /* FIXME
+                 *
+                 * LCDDON control is needed for Panel,
+                 * but current sh_mobile_lcdc driver doesn't control it.
+                 * It is temporary correspondence
+                 */
+                gpio_request(GPIO_PTF4, NULL);
+                gpio_direction_output(GPIO_PTF4, 1);
         }
 
         /* enable CEU0 */