drm: atmel-hlcdc: add support for at91sam9n12 SoC

Describe capabilities of the HLCDC IP found on at91sam9n12 SoC and add a
new entry to the atmel_hlcdc_of_match table.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>

diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
index c92031f..ed83aa3 100644 (file)
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
@@ -29,6 +29,31 @@
 
 #define ATMEL_HLCDC_LAYER_IRQS_OFFSET          8
 
+static const struct atmel_hlcdc_layer_desc atmel_hlcdc_at91sam9n12_layers[] = {
+       {
+               .name = "base",
+               .formats = &atmel_hlcdc_plane_rgb_formats,
+               .regs_offset = 0x40,
+               .id = 0,
+               .type = ATMEL_HLCDC_BASE_LAYER,
+               .nconfigs = 5,
+               .layout = {
+                       .xstride = { 2 },
+                       .default_color = 3,
+                       .general_config = 4,
+               },
+       },
+};
+
+static const struct atmel_hlcdc_dc_desc atmel_hlcdc_dc_at91sam9n12 = {
+       .min_width = 0,
+       .min_height = 0,
+       .max_width = 1280,
+       .max_height = 860,
+       .nlayers = ARRAY_SIZE(atmel_hlcdc_at91sam9n12_layers),
+       .layers = atmel_hlcdc_at91sam9n12_layers,
+};
+
 static const struct atmel_hlcdc_layer_desc atmel_hlcdc_at91sam9x5_layers[] = {
        {
                .name = "base",
@@ -218,6 +243,10 @@ static const struct atmel_hlcdc_dc_desc atmel_hlcdc_dc_sama5d3 = {
 
 static const struct of_device_id atmel_hlcdc_of_match[] = {
        {
+               .compatible = "atmel,at91sam9n12-hlcdc",
+               .data = &atmel_hlcdc_dc_at91sam9n12,
+       },
+       {
                .compatible = "atmel,at91sam9x5-hlcdc",
                .data = &atmel_hlcdc_dc_at91sam9x5,
        },