The R-Car V3M Eagle board includes a transparent LVDS decoder, connected
to the on-chip LVDS encoder output on one side and to HDMI encoder
ADV7511w on the other one.

As the decoder does not need any configuration it has been so-far
omitted from DTS. Now that a driver for transparent LVDS decoder is
available, describe it in DT as well.

Signed-off-by: Jacopo Mondi <jacopo+rene...@jmondi.org>
---
 arch/arm64/boot/dts/renesas/r8a77970-eagle.dts | 31 ++++++++++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts 
b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
index c0fd144..0a95c20 100644
--- a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
@@ -42,6 +42,33 @@
                        };
                };
        };
+
+       lvds,decoder {
+               compatible = "lvds-decoder";
+
+               ports {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       port@0 {
+                               reg = <0>;
+
+                               lvds_dec_in: endpoint {
+                                       remote-endpoint = <&lvds0_out>;
+                               };
+                       };
+
+                       port@1{
+                               reg = <1>;
+
+                               lvds_dec_out: endpoint {
+                                       remote-endpoint = <&adv7511_in>;
+                               };
+
+                       };
+
+               };
+       };
 };
 
 &avb {
@@ -98,7 +125,7 @@
                        port@0 {
                                reg = <0>;
                                adv7511_in: endpoint {
-                                       remote-endpoint = <&lvds0_out>;
+                                       remote-endpoint = <&lvds_dec_out>;
                                };
                        };
 
@@ -153,7 +180,7 @@
        ports {
                port@1 {
                        endpoint {
-                               remote-endpoint = <&adv7511_in>;
+                               remote-endpoint = <&lvds_dec_in>;
                        };
                };
        };
-- 
2.7.4

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