The LCDC IP used by some Atmel SOC's have a
multifunction device that include two sub-devices:
- pwm
- display controller
This binding describe the lcdc display controller and
refer back to the mfd device that this must be a child node of.
Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx>
---
.../display/atmel/lcdc-display-controller.txt | 40 ++++++++++++++++++++++
1 file changed, 40 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/atmel/lcdc-display-controller.txt
diff --git a/Documentation/devicetree/bindings/display/atmel/lcdc-display-controller.txt b/Documentation/devicetree/bindings/display/atmel/lcdc-display-controller.txt
new file mode 100644
index 000000000000..508a49b5d8b7
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/atmel/lcdc-display-controller.txt
@@ -0,0 +1,40 @@
+Atmel LCD Controller (LCDC) Display Controller
+
+Required properties:
+ - compatible: value should be one of the following:
+ "atmel,lcdc-display-controller"
+
+Optional properties:
+- lcd-supply: phandle to a regulator that supply the display
+
+Required children nodes:
+ One child node that references the panel connected.
+ (See ../graph.txt)
+ At least one port node is required.
+
+
+Example:
+ lcdc0: lcdc@700000 {
+ compatible = "atmel,at91sam9263-lcdc-mfd";
+ reg = <0x700000 0x1000>;
+ interrupts = <26 IRQ_TYPE_LEVEL_HIGH 3>;
+ clocks = <&lcd_clk>, <&lcd_clk>;
+ clock-names = "lcdc_clk", "hclk";
+
+ lcdc-display-controller {
+ compatible = "atmel,lcdc-display-controller";
+ lcd-supply = <&lcdc_reg>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ lcdc_panel_output: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&panel_input>;
+ };
+ };
+ };
+ };
--
2.12.0
