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>

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
index 2aa392b03e739f655e7b564937473c5f991fca7a..02aee6cb0e53d2f410aeac058f401baa68adbebd 100644 (file)
--- 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 },
        { }
 };