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-* ARM PrimeCell Color LCD Controller PL110/PL111
-
-See also Documentation/devicetree/bindings/arm/primecell.yaml
-
-Required properties:
-
-- compatible: must be one of:
- "arm,pl110", "arm,primecell"
- "arm,pl111", "arm,primecell"
-
-- reg: base address and size of the control registers block
-
-- interrupt-names: either the single entry "combined" representing a
- combined interrupt output (CLCDINTR), or the four entries
- "mbe", "vcomp", "lnbu", "fuf" representing the individual
- CLCDMBEINTR, CLCDVCOMPINTR, CLCDLNBUINTR, CLCDFUFINTR interrupts
-
-- interrupts: contains an interrupt specifier for each entry in
- interrupt-names
-
-- clock-names: should contain "clcdclk" and "apb_pclk"
-
-- clocks: contains phandle and clock specifier pairs for the entries
- in the clock-names property. See
- Documentation/devicetree/bindings/clock/clock-bindings.txt
-
-Optional properties:
-
-- memory-region: phandle to a node describing memory (see
- Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt)
- to be used for the framebuffer; if not present, the framebuffer
- may be located anywhere in the memory
-
-- max-memory-bandwidth: maximum bandwidth in bytes per second that the
- cell's memory interface can handle; if not present, the memory
- interface is fast enough to handle all possible video modes
-
-Required sub-nodes:
-
-- port: describes LCD panel signals, following the common binding
- for video transmitter interfaces; see
- Documentation/devicetree/bindings/media/video-interfaces.txt
-
-Deprecated properties:
- The port's endbpoint subnode had this, now deprecated property
- in the past. Drivers should be able to survive without it:
-
- - arm,pl11x,tft-r0g0b0-pads: an array of three 32-bit values,
- defining the way CLD pads are wired up; first value
- contains index of the "CLD" external pin (pad) used
- as R0 (first bit of the red component), second value
- index of the pad used as G0, third value index of the
- pad used as B0, see also "LCD panel signal multiplexing
- details" paragraphs in the PL110/PL111 Technical
- Reference Manuals; this implicitly defines available
- color modes, for example:
- - PL111 TFT 4:4:4 panel:
- arm,pl11x,tft-r0g0b0-pads = <4 15 20>;
- - PL110 TFT (1:)5:5:5 panel:
- arm,pl11x,tft-r0g0b0-pads = <1 7 13>;
- - PL111 TFT (1:)5:5:5 panel:
- arm,pl11x,tft-r0g0b0-pads = <3 11 19>;
- - PL111 TFT 5:6:5 panel:
- arm,pl11x,tft-r0g0b0-pads = <3 10 19>;
- - PL110 and PL111 TFT 8:8:8 panel:
- arm,pl11x,tft-r0g0b0-pads = <0 8 16>;
- - PL110 and PL111 TFT 8:8:8 panel, R & B components swapped:
- arm,pl11x,tft-r0g0b0-pads = <16 8 0>;
-
-
-Example:
-
- clcd@10020000 {
- compatible = "arm,pl111", "arm,primecell";
- reg = <0x10020000 0x1000>;
- interrupt-names = "combined";
- interrupts = <0 44 4>;
- clocks = <&oscclk1>, <&oscclk2>;
- clock-names = "clcdclk", "apb_pclk";
- max-memory-bandwidth = <94371840>; /* Bps, 1024x768@60 16bpp */
-
- port {
- clcd_pads: endpoint {
- remote-endpoint = <&clcd_panel>;
- };
- };
-
- };
-
- panel {
- compatible = "panel-dpi";
-
- port {
- clcd_panel: endpoint {
- remote-endpoint = <&clcd_pads>;
- };
- };
-
- panel-timing {
- clock-frequency = <25175000>;
- hactive = <640>;
- hback-porch = <40>;
- hfront-porch = <24>;
- hsync-len = <96>;
- vactive = <480>;
- vback-porch = <32>;
- vfront-porch = <11>;
- vsync-len = <2>;
- };
- };