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authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-04-11 10:41:07 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-04-13 08:17:18 +0300
commite09b41010ba33a20a87472ee821fa407a5b8da36 (patch)
treed10dc367189862e7ca5c592f033dc3726e1df4e3 /kernel/Documentation/devicetree/bindings/display/imx/fsl-imx-drm.txt
parentf93b97fd65072de626c074dbe099a1fff05ce060 (diff)
These changes are the raw update to linux-4.4.6-rt14. Kernel sources
are taken from kernel.org, and rt patch from the rt wiki download page. During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'kernel/Documentation/devicetree/bindings/display/imx/fsl-imx-drm.txt')
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diff --git a/kernel/Documentation/devicetree/bindings/display/imx/fsl-imx-drm.txt b/kernel/Documentation/devicetree/bindings/display/imx/fsl-imx-drm.txt
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+Freescale i.MX DRM master device
+================================
+
+The freescale i.MX DRM master device is a virtual device needed to list all
+IPU or other display interface nodes that comprise the graphics subsystem.
+
+Required properties:
+- compatible: Should be "fsl,imx-display-subsystem"
+- ports: Should contain a list of phandles pointing to display interface ports
+ of IPU devices
+
+example:
+
+display-subsystem {
+ compatible = "fsl,display-subsystem";
+ ports = <&ipu_di0>;
+};
+
+
+Freescale i.MX IPUv3
+====================
+
+Required properties:
+- compatible: Should be "fsl,<chip>-ipu"
+- reg: should be register base and length as documented in the
+ datasheet
+- interrupts: Should contain sync interrupt and error interrupt,
+ in this order.
+- resets: phandle pointing to the system reset controller and
+ reset line index, see reset/fsl,imx-src.txt for details
+Optional properties:
+- port@[0-3]: Port nodes with endpoint definitions as defined in
+ Documentation/devicetree/bindings/media/video-interfaces.txt.
+ Ports 0 and 1 should correspond to CSI0 and CSI1,
+ ports 2 and 3 should correspond to DI0 and DI1, respectively.
+
+example:
+
+ipu: ipu@18000000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "fsl,imx53-ipu";
+ reg = <0x18000000 0x080000000>;
+ interrupts = <11 10>;
+ resets = <&src 2>;
+
+ ipu_di0: port@2 {
+ reg = <2>;
+
+ ipu_di0_disp0: endpoint {
+ remote-endpoint = <&display_in>;
+ };
+ };
+};
+
+Parallel display support
+========================
+
+Required properties:
+- compatible: Should be "fsl,imx-parallel-display"
+Optional properties:
+- interface_pix_fmt: How this display is connected to the
+ display interface. Currently supported types: "rgb24", "rgb565", "bgr666"
+ and "lvds666".
+- edid: verbatim EDID data block describing attached display.
+- ddc: phandle describing the i2c bus handling the display data
+ channel
+- port@[0-1]: Port nodes with endpoint definitions as defined in
+ Documentation/devicetree/bindings/media/video-interfaces.txt.
+ Port 0 is the input port connected to the IPU display interface,
+ port 1 is the output port connected to a panel.
+
+example:
+
+display@di0 {
+ compatible = "fsl,imx-parallel-display";
+ edid = [edid-data];
+ interface-pix-fmt = "rgb24";
+
+ port@0 {
+ reg = <0>;
+
+ display_in: endpoint {
+ remote-endpoint = <&ipu_di0_disp0>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ display_out: endpoint {
+ remote-endpoint = <&panel_in>;
+ };
+ };
+};
+
+panel {
+ ...
+
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&display_out>;
+ };
+ };
+};