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-rw-r--r--Documentation/devicetree/bindings/display/st,stm32-ltdc.txt6
1 files changed, 5 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt b/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt
index 74b5ac7b26d6..029252253ad4 100644
--- a/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt
+++ b/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt
@@ -10,7 +10,11 @@
- "lcd" for the clock feeding the output pixel clock & IP clock.
- resets: reset to be used by the device (defined by use of RCC macro).
Required nodes:
- - Video port for RGB output.
+ - Video port for DPI RGB output: ltdc has one video port with up to 2
+ endpoints:
+ - for external dpi rgb panel or bridge, using gpios.
+ - for internal dpi input of the MIPI DSI host controller.
+ Note: These 2 endpoints cannot be activated simultaneously.
* STMicroelectronics STM32 DSI controller specific extensions to Synopsys
DesignWare MIPI DSI host controller