diff mbox

[v1,1/2] dt-bindings: display: stm32: add a 2nd endpoint

Message ID 1509018489-19641-2-git-send-email-philippe.cornu@st.com (mailing list archive)
State New, archived
Headers show

Commit Message

Philippe CORNU Oct. 26, 2017, 11:48 a.m. UTC
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>
---
 Documentation/devicetree/bindings/display/st,stm32-ltdc.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

Comments

Rob Herring (Arm) Oct. 27, 2017, 2:38 p.m. UTC | #1
On Thu, Oct 26, 2017 at 01:48:08PM +0200, Philippe Cornu wrote:
> 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>
> ---
>  Documentation/devicetree/bindings/display/st,stm32-ltdc.txt | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)

Acked-by: Rob Herring <robh@kernel.org>
Benjamin Gaignard Nov. 7, 2017, 1:58 p.m. UTC | #2
2017-10-27 16:38 GMT+02:00 Rob Herring <robh@kernel.org>:
> On Thu, Oct 26, 2017 at 01:48:08PM +0200, Philippe Cornu wrote:
>> 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>
>> ---
>>  Documentation/devicetree/bindings/display/st,stm32-ltdc.txt | 6 +++++-
>>  1 file changed, 5 insertions(+), 1 deletion(-)
>
> Acked-by: Rob Herring <robh@kernel.org>
>

Applied on drm-misc-next
Thanks

Benjamin
diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt b/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt
index 74b5ac7..0292522 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