LT9611C Device Driver

Documentation/devicetree/bindings/display/bridge/lontium,lt9611.yaml

@@ -4,19 +4,23 @@
 $id: http://devicetree.org/schemas/display/bridge/lontium,lt9611.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: Lontium LT9611(UXC) 2 Port MIPI to HDMI Bridge
+title: Lontium LT9611(UXC/C/EX/UXD) 2 Port MIPI DSI to HDMI Bridge
 
 maintainers:
   - Vinod Koul <vkoul@kernel.org>
 
 description: |
-  The LT9611 and LT9611UXC are bridge devices which convert DSI to HDMI
+  The LT9611、LT9611UXC、LT9611C、LT9611EX and LT9611UXD
+  are bridge devices which convert DSI to HDMI
 
 properties:
   compatible:
     enum:
       - lontium,lt9611
       - lontium,lt9611uxc
+      - lontium,lt9611c
+      - lontium,lt9611ex
+      - lontium,lt9611uxd
 
   reg:
     maxItems: 1
@@ -37,6 +41,17 @@ properties:
   vcc-supply:
     description: Regulator for 3.3V IO power.
 
+  lontium,port-select:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [0, 1, 2]
+    default: 0
+    description: |
+      Selects which DSI input port(s) the bridge uses. Only relevant for
+      the lontium,lt9611c compatible.
+        0 = PORT_SELECT_A  - single DSI port A (default)
+        1 = PORT_SELECT_B  - single DSI port B
+        2 = PORT_SELECT_AB - dual DSI ports A and B
+
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
 
@@ -93,6 +108,8 @@ examples:
         vdd-supply = <&lt9611_1v8>;
         vcc-supply = <&lt9611_3v3>;
 
+        lontium,port-select = <1>;
+
         ports {
           #address-cells = <1>;
           #size-cells = <0>;

arch/arm64/configs/defconfig

@@ -970,6 +970,7 @@ CONFIG_DRM_LONTIUM_LT8713SX=m
 CONFIG_DRM_LONTIUM_LT8912B=m
 CONFIG_DRM_LONTIUM_LT9211=m
 CONFIG_DRM_LONTIUM_LT9611=m
+CONFIG_DRM_LONTIUM_LT9611C=m
 CONFIG_DRM_LONTIUM_LT9611UXC=m
 CONFIG_DRM_ITE_IT66121=m
 CONFIG_DRM_NWL_MIPI_DSI=m

drivers/gpu/drm/bridge/Kconfig

@@ -170,6 +170,24 @@ config DRM_LONTIUM_LT9611
 	  HDMI signals
 	  Please say Y if you have such hardware.
 
+config DRM_LONTIUM_LT9611C
+	tristate "Lontium LT9611C DSI/HDMI bridge"
+	select SND_SOC_HDMI_CODEC if SND_SOC
+	depends on OF
+	select CRC8
+	select FW_LOADER
+	select DRM_PANEL_BRIDGE
+	select DRM_KMS_HELPER
+	select DRM_MIPI_DSI
+	select DRM_DISPLAY_HELPER
+	select DRM_DISPLAY_HDMI_STATE_HELPER
+	select REGMAP_I2C
+	help
+	  Driver for Lontium DSI to HDMI bridge
+	  chip driver that converts dual DSI and I2S to
+	  HDMI signals
+	  Please say Y if you have such hardware.
+
 config DRM_LONTIUM_LT9611UXC
 	tristate "Lontium LT9611UXC DSI/HDMI bridge"
 	select SND_SOC_HDMI_CODEC if SND_SOC

drivers/gpu/drm/bridge/Makefile

@@ -15,6 +15,7 @@ obj-$(CONFIG_DRM_ITE_IT6505) += ite-it6505.o
 obj-$(CONFIG_DRM_LONTIUM_LT8912B) += lontium-lt8912b.o
 obj-$(CONFIG_DRM_LONTIUM_LT9211) += lontium-lt9211.o
 obj-$(CONFIG_DRM_LONTIUM_LT9611) += lontium-lt9611.o
+obj-$(CONFIG_DRM_LONTIUM_LT9611C) += lontium-lt9611c.o
 obj-$(CONFIG_DRM_LONTIUM_LT9611UXC) += lontium-lt9611uxc.o
 obj-$(CONFIG_DRM_LONTIUM_LT8713SX) += lontium-lt8713sx.o
 obj-$(CONFIG_DRM_LVDS_CODEC) += lvds-codec.o