[PATCH 4/4] ARM: dts: Use OF graph for DP to panel connection in exynos5800-peach-pi

[Inki Dae <inki.dae@samsung.com>]

From: Javier Martinez Canillas <javier@osg.samsung.com>

The DT binding for the Exynos DRM Display Port (DP) driver isn't consistent
since it uses a phandle to describe the connection between the DP port and
the display panel but uses the OF graph ports and endpoints to describe the
connection betwen the DP port, a bridge chip and the panel.

The Exynos DP driver and the DT binding have been changed to allow also to
describe the DP port to panel connection using ports / endpoints (OF graph)
so this patch changes the Exynos5800 Peach Pi DT to make it consistent with
the Exynos5420 Peach Pit that has a eDP to LVDS chip and uses OF graph too.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Tested-by: Javier Martinez Canillas <javier@osg.samsung.com>
Reviewed-by: Inki Dae <inki.dae@samsung.com>
---
 arch/arm/boot/dts/exynos5800-peach-pi.dts | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts
index 49a4f43..1cc2e95 100644
--- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
+++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
@@ -122,6 +122,12 @@
 		compatible = "auo,b133htn01";
 		power-supply = <&tps65090_fet6>;
 		backlight = <&backlight>;
+
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&dp_out>;
+			};
+		};
 	};
 
 	mmc1_pwrseq: mmc1_pwrseq {
@@ -148,7 +154,14 @@
 	samsung,link-rate = <0x0a>;
 	samsung,lane-count = <2>;
 	samsung,hpd-gpio = <&gpx2 6 GPIO_ACTIVE_HIGH>;
-	panel = <&panel>;
+
+	ports {
+		port {
+			dp_out: endpoint {
+				remote-endpoint = <&panel_in>;
+			};
+		};
+	};
 };
 
 &fimd {
-- 
1.9.1

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