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dt-bindings: display: stm32: add a 2nd endpoint 

ltdc can have up to 2 endpoints:
 - dpi external gpios: for rgb panels or external bridge ICs.
 - dpi internal ios: connected internally to dsi.

Note: Refer to the reference manual to know if the dsi is
present on your device.

Signed-off-by: Philippe Cornu <philippe.cornu@st.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1509018489-19641-2-git-send-email-philippe.cornu@st.com
This commit is contained in:
Philippe CORNU 2017-10-26 13:48:08 +02:00 committed by Benjamin Gaignard
parent 0163d1f62f
commit 2ac9d36337
1 changed files with 5 additions and 1 deletions
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Documentation/devicetree/bindings/display/st,stm32-ltdc.txt
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@ -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