From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- .../bindings/display/cirrus,clps711x-fb.txt | 47 ++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/cirrus,clps711x-fb.txt (limited to 'Documentation/devicetree/bindings/display/cirrus,clps711x-fb.txt') diff --git a/Documentation/devicetree/bindings/display/cirrus,clps711x-fb.txt b/Documentation/devicetree/bindings/display/cirrus,clps711x-fb.txt new file mode 100644 index 000000000..0ab5f0663 --- /dev/null +++ b/Documentation/devicetree/bindings/display/cirrus,clps711x-fb.txt @@ -0,0 +1,47 @@ +* Currus Logic CLPS711X Framebuffer + +Required properties: +- compatible: Shall contain "cirrus,ep7209-fb". +- reg : Physical base address and length of the controller's registers + + location and size of the framebuffer memory. +- clocks : phandle + clock specifier pair of the FB reference clock. +- display : phandle to a display node as described in + Documentation/devicetree/bindings/display/panel/display-timing.txt. + Additionally, the display node has to define properties: + - bits-per-pixel: Bits per pixel. + - ac-prescale : LCD AC bias frequency. This frequency is the required + AC bias frequency for a given manufacturer's LCD plate. + - cmap-invert : Invert the color levels (Optional). + +Optional properties: +- lcd-supply: Regulator for LCD supply voltage. + +Example: + fb: fb@800002c0 { + compatible = "cirrus,ep7312-fb", "cirrus,ep7209-fb"; + reg = <0x800002c0 0xd44>, <0x60000000 0xc000>; + clocks = <&clks 2>; + lcd-supply = <®5v0>; + display = <&display>; + }; + + display: display { + model = "320x240x4"; + bits-per-pixel = <4>; + ac-prescale = <17>; + + display-timings { + native-mode = <&timing0>; + timing0: 320x240 { + hactive = <320>; + hback-porch = <0>; + hfront-porch = <0>; + hsync-len = <0>; + vactive = <240>; + vback-porch = <0>; + vfront-porch = <0>; + vsync-len = <0>; + clock-frequency = <6500000>; + }; + }; + }; -- cgit v1.2.3