1 files changed, 27 insertions, 7 deletions

diff --git a/include/linux/platform_data/rcar-du.h b/include/linux/platform_data/rcar-du.h
index 80587fdbba3e..1a2e9901a22e 100644
--- a/include/linux/platform_data/rcar-du.h
+++ b/include/linux/platform_data/rcar-du.h
@@ -16,8 +16,18 @@
 
 #include <drm/drm_mode.h>
 
+enum rcar_du_output {
+        RCAR_DU_OUTPUT_DPAD0,
+        RCAR_DU_OUTPUT_DPAD1,
+        RCAR_DU_OUTPUT_LVDS0,
+        RCAR_DU_OUTPUT_LVDS1,
+        RCAR_DU_OUTPUT_TCON,
+        RCAR_DU_OUTPUT_MAX,
+};
+
 enum rcar_du_encoder_type {
         RCAR_DU_ENCODER_UNUSED = 0,
+        RCAR_DU_ENCODER_NONE,
         RCAR_DU_ENCODER_VGA,
         RCAR_DU_ENCODER_LVDS,
 };
@@ -28,22 +38,32 @@ struct rcar_du_panel_data {
         struct drm_mode_modeinfo mode;
 };
 
-struct rcar_du_encoder_lvds_data {
+struct rcar_du_connector_lvds_data {
         struct rcar_du_panel_data panel;
 };
 
-struct rcar_du_encoder_vga_data {
+struct rcar_du_connector_vga_data {
         /* TODO: Add DDC information for EDID retrieval */
 };
 
+/*
+ * struct rcar_du_encoder_data - Encoder platform data
+ * @type: the encoder type (RCAR_DU_ENCODER_*)
+ * @output: the DU output the connector is connected to (RCAR_DU_OUTPUT_*)
+ * @connector.lvds: platform data for LVDS connectors
+ * @connector.vga: platform data for VGA connectors
+ *
+ * Encoder platform data describes an on-board encoder, its associated DU SoC
+ * output, and the connector.
+ */
 struct rcar_du_encoder_data {
-        enum rcar_du_encoder_type encoder;
-        unsigned int output;
+        enum rcar_du_encoder_type type;
+        enum rcar_du_output output;
 
         union {
-                struct rcar_du_encoder_lvds_data lvds;
-                struct rcar_du_encoder_vga_data vga;
-        } u;
+                struct rcar_du_connector_lvds_data lvds;
+                struct rcar_du_connector_vga_data vga;
+        } connector;
 };
 
 struct rcar_du_platform_data {