drm: rcar-du: Add support for the R8A7793 DU

The R8A7793 DU is identical to the R8A7791 and thus only requires a new
DT compatible string.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
index bebcc97db5e5..d8e1fd93908f 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
@@ -84,12 +84,13 @@ static const struct rcar_du_device_info rcar_du_r8a7790_info = {
         .num_lvds = 2,
 };
 
+/* M2-W (r8a7791) and M2-N (r8a7793) are identical */
 static const struct rcar_du_device_info rcar_du_r8a7791_info = {
         .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
                   | RCAR_DU_FEATURE_EXT_CTRL_REGS,
         .num_crtcs = 2,
         .routes = {
-                /* R8A7791 has one RGB output, one LVDS output and one
+                /* R8A779[13] has one RGB output, one LVDS output and one
                  * (currently unsupported) TCON output.
                  */
                 [RCAR_DU_OUTPUT_DPAD0] = {
@@ -110,6 +111,7 @@ static const struct of_device_id rcar_du_of_table[] = {
         { .compatible = "renesas,du-r8a7779", .data = &rcar_du_r8a7779_info },
         { .compatible = "renesas,du-r8a7790", .data = &rcar_du_r8a7790_info },
         { .compatible = "renesas,du-r8a7791", .data = &rcar_du_r8a7791_info },
+        { .compatible = "renesas,du-r8a7793", .data = &rcar_du_r8a7791_info },
         { }
 };