drm: atmel-hlcdc: add support for sama5d4 SoCs

Describe capabilities of the HLCDC IP found on sama5d4 SoCs and add a
new entry to the atmel_hlcdc_of_match table.

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

1 files changed, 86 insertions, 0 deletions

diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
index ed83aa3207ea..e058e0ad3c15 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
@@ -241,6 +241,88 @@ static const struct atmel_hlcdc_dc_desc atmel_hlcdc_dc_sama5d3 = {
         .layers = atmel_hlcdc_sama5d3_layers,
 };
 
+static const struct atmel_hlcdc_layer_desc atmel_hlcdc_sama5d4_layers[] = {
+        {
+                .name = "base",
+                .formats = &atmel_hlcdc_plane_rgb_formats,
+                .regs_offset = 0x40,
+                .id = 0,
+                .type = ATMEL_HLCDC_BASE_LAYER,
+                .nconfigs = 7,
+                .layout = {
+                        .xstride = { 2 },
+                        .default_color = 3,
+                        .general_config = 4,
+                        .disc_pos = 5,
+                        .disc_size = 6,
+                },
+        },
+        {
+                .name = "overlay1",
+                .formats = &atmel_hlcdc_plane_rgb_formats,
+                .regs_offset = 0x140,
+                .id = 1,
+                .type = ATMEL_HLCDC_OVERLAY_LAYER,
+                .nconfigs = 10,
+                .layout = {
+                        .pos = 2,
+                        .size = 3,
+                        .xstride = { 4 },
+                        .pstride = { 5 },
+                        .default_color = 6,
+                        .chroma_key = 7,
+                        .chroma_key_mask = 8,
+                        .general_config = 9,
+                },
+        },
+        {
+                .name = "overlay2",
+                .formats = &atmel_hlcdc_plane_rgb_formats,
+                .regs_offset = 0x240,
+                .id = 2,
+                .type = ATMEL_HLCDC_OVERLAY_LAYER,
+                .nconfigs = 10,
+                .layout = {
+                        .pos = 2,
+                        .size = 3,
+                        .xstride = { 4 },
+                        .pstride = { 5 },
+                        .default_color = 6,
+                        .chroma_key = 7,
+                        .chroma_key_mask = 8,
+                        .general_config = 9,
+                },
+        },
+        {
+                .name = "high-end-overlay",
+                .formats = &atmel_hlcdc_plane_rgb_and_yuv_formats,
+                .regs_offset = 0x340,
+                .id = 3,
+                .type = ATMEL_HLCDC_OVERLAY_LAYER,
+                .nconfigs = 42,
+                .layout = {
+                        .pos = 2,
+                        .size = 3,
+                        .memsize = 4,
+                        .xstride = { 5, 7 },
+                        .pstride = { 6, 8 },
+                        .default_color = 9,
+                        .chroma_key = 10,
+                        .chroma_key_mask = 11,
+                        .general_config = 12,
+                        .csc = 14,
+                },
+        },
+};
+
+static const struct atmel_hlcdc_dc_desc atmel_hlcdc_dc_sama5d4 = {
+        .min_width = 0,
+        .min_height = 0,
+        .max_width = 2048,
+        .max_height = 2048,
+        .nlayers = ARRAY_SIZE(atmel_hlcdc_sama5d4_layers),
+        .layers = atmel_hlcdc_sama5d4_layers,
+};
 static const struct of_device_id atmel_hlcdc_of_match[] = {
         {
                 .compatible = "atmel,at91sam9n12-hlcdc",
@@ -254,6 +336,10 @@ static const struct of_device_id atmel_hlcdc_of_match[] = {
                 .compatible = "atmel,sama5d3-hlcdc",
                 .data = &atmel_hlcdc_dc_sama5d3,
         },
+        {
+                .compatible = "atmel,sama5d4-hlcdc",
+                .data = &atmel_hlcdc_dc_sama5d4,
+        },
         { /* sentinel */ },
 };