drm: rcar-du: Add R8A77965 support

The R8A77965 (M3-N) SoC provides RGB, HDMI and LVDS output.

This platform is unusual in that the RGB is connected to DU3 leaving DU2
unpopulated. This is reflected by the channels_mask accordingly.

Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

1 files changed, 29 insertions, 0 deletions

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
index 2aa392b03e73..02aee6cb0e53 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
@@ -246,6 +246,34 @@ static const struct rcar_du_device_info rcar_du_r8a7796_info = {
         .dpll_ch =  BIT(1),
 };
 
+static const struct rcar_du_device_info rcar_du_r8a77965_info = {
+        .gen = 3,
+        .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
+                  | RCAR_DU_FEATURE_EXT_CTRL_REGS
+                  | RCAR_DU_FEATURE_VSP1_SOURCE,
+        .channels_mask = BIT(3) | BIT(1) | BIT(0),
+        .routes = {
+                /*
+                 * R8A77965 has one RGB output, one LVDS output and one HDMI
+                 * output.
+                 */
+                [RCAR_DU_OUTPUT_DPAD0] = {
+                        .possible_crtcs = BIT(2),
+                        .port = 0,
+                },
+                [RCAR_DU_OUTPUT_HDMI0] = {
+                        .possible_crtcs = BIT(1),
+                        .port = 1,
+                },
+                [RCAR_DU_OUTPUT_LVDS0] = {
+                        .possible_crtcs = BIT(0),
+                        .port = 2,
+                },
+        },
+        .num_lvds = 1,
+        .dpll_ch =  BIT(1),
+};
+
 static const struct rcar_du_device_info rcar_du_r8a77970_info = {
         .gen = 3,
         .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
@@ -277,6 +305,7 @@ static const struct of_device_id rcar_du_of_table[] = {
         { .compatible = "renesas,du-r8a7794", .data = &rcar_du_r8a7794_info },
         { .compatible = "renesas,du-r8a7795", .data = &rcar_du_r8a7795_info },
         { .compatible = "renesas,du-r8a7796", .data = &rcar_du_r8a7796_info },
+        { .compatible = "renesas,du-r8a77965", .data = &rcar_du_r8a77965_info },
         { .compatible = "renesas,du-r8a77970", .data = &rcar_du_r8a77970_info },
         { }
 };