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@ravnborg.org Cc: Boris Brezillon boris.brezillon@free-electrons.com --- .../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>; + }; + }; + }; + };