[PATCH v3 2/2] dt-bindings: simplefb-sunxi: Add sunxi simplefb extensions
From: Hans de Goede <hidden>
Date: 2014-11-18 11:10:51
Also in:
linux-arm-kernel, linux-fbdev
Subsystem:
open firmware and flattened device tree bindings, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2014-11-26 · Re: [PATCH v3 2/2] dt-bindings: simplefb-sunxi: Add sunxi simplefb extensions · Tomi Valkeinen <hidden>
- 2014-11-25 · Re: [PATCH v3 2/2] dt-bindings: simplefb-sunxi: Add sunxi simplefb extensions · Hans de Goede <hidden>
- 2014-11-25 · Re: [PATCH v3 2/2] dt-bindings: simplefb-sunxi: Add sunxi simplefb extensions · Tomi Valkeinen <hidden>
- 2014-11-25 · Re: [PATCH v3 2/2] dt-bindings: simplefb-sunxi: Add sunxi simplefb extensions · Hans de Goede <hidden>
- 2014-11-25 · Re: [PATCH v3 2/2] dt-bindings: simplefb-sunxi: Add sunxi simplefb extensions · Tomi Valkeinen <hidden>
If pre-filled framebuffer nodes are used, the firmware may need extra properties to find the right node. This documents the properties to use for this on sunxi platforms. Signed-off-by: Hans de Goede <redacted> Acked-by: Grant Likely <redacted> --- .../bindings/video/simple-framebuffer-sunxi.txt | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/video/simple-framebuffer-sunxi.txt
diff --git a/Documentation/devicetree/bindings/video/simple-framebuffer-sunxi.txt b/Documentation/devicetree/bindings/video/simple-framebuffer-sunxi.txt
new file mode 100644
index 0000000..c46ba64
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/simple-framebuffer-sunxi.txt@@ -0,0 +1,33 @@ +Sunxi specific Simple Framebuffer bindings + +This binding documents sunxi specific extensions to the simple-framebuffer +bindings. The sunxi simplefb u-boot code relies on the devicetree containing +pre-populated simplefb nodes. + +These extensions are intended so that u-boot can select the right node based +on which pipeline is being used. As such they are solely intended for +firmware / bootloader use, and the OS should ignore them. + +Required properties: +- compatible: "allwinner,simple-framebuffer" +- allwinner,pipeline, one of: + "de_be0-lcd0" + "de_be1-lcd1" + "de_be0-lcd0-hdmi" + "de_be1-lcd1-hdmi" + +Example: + +chosen { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + framebuffer@0 { + compatible = "allwinner,simple-framebuffer", "simple-framebuffer"; + allwinner,pipeline = "de_be0-lcd0-hdmi"; + clocks = <&pll5 1>, <&ahb_gates 36>, <&ahb_gates 43>, + <&ahb_gates 44>; + status = "disabled"; + }; +};
--
2.1.0