This patch adds bindings for Exynos drm display subsystem.
The bindings describes ports containing a list of phandles
pointing to display controller, image enhancer, and display
interfaces nodes.
Signed-off-by: Inki Dae <inki.dae@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
.../bindings/drm/exynos/samsung-exynos-drm.txt | 32 ++++++++++++++++++++
1 file changed, 32 insertions(+)
create mode 100644 Documentation/devicetree/bindings/drm/exynos/samsung-exynos-drm.txt
diff --git a/Documentation/devicetree/bindings/drm/exynos/samsung-exynos-drm.txt b/Documentation/devicetree/bindings/drm/exynos/samsung-exynos-drm.txt
new file mode 100644
index 0000000..6f7fae0
--- /dev/null
+++ b/Documentation/devicetree/bindings/drm/exynos/samsung-exynos-drm.txt
@@ -0,0 +1,32 @@
+Samsung Exynos DRM master device
+================================
+
+The Samsung Exynos DRM master device is a virtual device needed to list all
+display controller, image enhancer, and display interface nodes that comprise
+the graphics subsystem.
+
+Required properties:
+- compatible: Should be "samsung,exynos-display-subsystem"
+- ports: Should contain a list of phandles pointing to display controller,
+ image enhancer, and display interface ports.
+
+Examples:
+
+In case of using MIPI-DSI,
+display-subsystem {
+ compatible = "samsung,exynos-display-subsystem";
+ ports = <&fimd>, <&dsi>;
+};
+
+
+In case of using DisplayPort,
+display-subsystem {
+ compatible = "samsung,exynos-display-subsystem";
+ ports = <&fimd>, <&dp>;
+};
+
+In case of using parallel panel,
+display-subsystem {
+ compatible = "samsung,exynos-display-subsystem";
+ ports = <&fimd>;
+};
--
1.7.9.5
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