drm: rcar-du: Add r8a77990 and r8a77995 device support

Add support for the R-Car D3 (R8A77995) and E3 (R8A77990) SoCs to the
R-Car DU driver. The two SoCs instantiate compatible DUs, so a single
information structure is enough.

Signed-off-by: Ulrich Hecht <uli+renesas@fpond.eu>
[Add support for R8A77990]
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>

1 files changed, 30 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 fa0d381c2d0f..084f58df4a8c 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
@@ -311,6 +311,34 @@ static const struct rcar_du_device_info rcar_du_r8a77970_info = {
         .num_lvds = 1,
 };
 
+static const struct rcar_du_device_info rcar_du_r8a7799x_info = {
+        .gen = 3,
+        .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
+                  | RCAR_DU_FEATURE_EXT_CTRL_REGS
+                  | RCAR_DU_FEATURE_VSP1_SOURCE,
+        .channels_mask = BIT(1) | BIT(0),
+        .routes = {
+                /*
+                 * R8A77990 and R8A77995 have one RGB output and two LVDS
+                 * outputs.
+                 */
+                [RCAR_DU_OUTPUT_DPAD0] = {
+                        .possible_crtcs = BIT(0) | BIT(1),
+                        .port = 0,
+                },
+                [RCAR_DU_OUTPUT_LVDS0] = {
+                        .possible_crtcs = BIT(0),
+                        .port = 1,
+                },
+                [RCAR_DU_OUTPUT_LVDS1] = {
+                        .possible_crtcs = BIT(1),
+                        .port = 2,
+                },
+        },
+        .num_lvds = 2,
+        .lvds_clk_mask =  BIT(1) | BIT(0),
+};
+
 static const struct of_device_id rcar_du_of_table[] = {
         { .compatible = "renesas,du-r8a7743", .data = &rzg1_du_r8a7743_info },
         { .compatible = "renesas,du-r8a7745", .data = &rzg1_du_r8a7745_info },
@@ -324,6 +352,8 @@ static const struct of_device_id rcar_du_of_table[] = {
         { .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 },
+        { .compatible = "renesas,du-r8a77990", .data = &rcar_du_r8a7799x_info },
+        { .compatible = "renesas,du-r8a77995", .data = &rcar_du_r8a7799x_info },
         { }
 };