[PATCH v4 1/2] dt-bindings: display: stm32: add supply property to DSI controller

[Yannick FertrÃ]

This patch adds documentation of a new property phy-dsi-supply to the
STM32 DSI controller.

Signed-off-by: Yannick Fertrà <yannick.fertre@xxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Reviewed-by: Philippe Cornu <philippe.cornu@xxxxxx>
---
 Documentation/devicetree/bindings/display/st,stm32-ltdc.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt b/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt
index 3eb1b48..60c54da 100644
--- a/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt
+++ b/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt
@@ -40,6 +40,8 @@ Mandatory nodes specific to STM32 DSI:
 - panel or bridge node: A node containing the panel or bridge description as
   documented in [6].
   - port: panel or bridge port node, connected to the DSI output port (port@1).
+Optional properties:
+- phy-dsi-supply: phandle of the regulator that provides the supply voltage.
 
 Note: You can find more documentation in the following references
 [1] Documentation/devicetree/bindings/clock/clock-bindings.txt
@@ -101,6 +103,7 @@ Example 2: DSI panel
 			clock-names = "pclk", "ref";
 			resets = <&rcc STM32F4_APB2_RESET(DSI)>;
 			reset-names = "apb";
+			phy-dsi-supply = <&reg18>;
 
 			ports {
 				#address-cells = <1>;
-- 
2.7.4