@@ -1254,6 +1254,35 @@ static struct fb_ops da8xx_fb_ops = {
.fb_blank = cfb_blank,
};
+static struct lcd_ctrl_config *da8xx_fb_create_cfg(struct platform_device *dev)
+{
+ struct lcd_ctrl_config *cfg;
+
+ cfg = devm_kzalloc(&dev->dev, sizeof(struct fb_videomode), GFP_KERNEL);
+ if (!cfg) {
+ dev_err(&dev->dev, "memory allocation failed\n");
+ return NULL;
+ }
+
+ /* default values */
+
+ if (lcd_revision == LCD_VERSION_1)
+ cfg->bpp = 16;
+ else
+ cfg->bpp = 32;
+
+ /*
+ * For panels so far used with this LCDC, below statement is sufficient.
+ * For new panels, if required, struct lcd_ctrl_cfg fields to be updated
+ * with additional/modified values. Those values would have to be then
+ * obtained from dt(requiring new dt bindings).
+ */
+
+ cfg->panel_shade = COLOR_ACTIVE;
+
+ return cfg;
+}
+
static struct fb_videomode *da8xx_fb_get_videomode(struct platform_device *dev)
{
struct da8xx_lcdc_platform_data *fb_pdata = dev->dev.platform_data;
@@ -1345,7 +1374,10 @@ static int fb_probe(struct platform_device *device)
break;
}
- lcd_cfg = (struct lcd_ctrl_config *)fb_pdata->controller_data;
+ if (device->dev.of_node)
+ lcd_cfg = da8xx_fb_create_cfg(device);
+ else
+ lcd_cfg = (struct lcd_ctrl_config *)fb_pdata->controller_data;
if (!lcd_cfg) {
ret = -EINVAL;
strcut lcd_ctrl_config information required for driver is currently obtained via platform data. To handle DT probing, create lcd_ctrl_config and populate it with default values, these values are sufficient for the panels so far used with this controller to work. Signed-off-by: Afzal Mohammed <afzal@ti.com> --- drivers/video/da8xx-fb.c | 34 +++++++++++++++++++++++++++++++++- 1 file changed, 33 insertions(+), 1 deletion(-)