diff options
Diffstat (limited to 'arch/arm/boot/dts/integratorcp.dts')
| -rw-r--r-- | arch/arm/boot/dts/integratorcp.dts | 89 |
1 files changed, 57 insertions, 32 deletions
diff --git a/arch/arm/boot/dts/integratorcp.dts b/arch/arm/boot/dts/integratorcp.dts index a185ab8759fa..01fa229e1bd0 100644 --- a/arch/arm/boot/dts/integratorcp.dts +++ b/arch/arm/boot/dts/integratorcp.dts @@ -192,6 +192,43 @@ interrupts = <27>; }; + bridge { + compatible = "ti,ths8134a", "ti,ths8134"; + #address-cells = <1>; + #size-cells = <0>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + vga_bridge_in: endpoint { + remote-endpoint = <&clcd_pads_vga_dac>; + }; + }; + + port@1 { + reg = <1>; + + vga_bridge_out: endpoint { + remote-endpoint = <&vga_con_in>; + }; + }; + }; + }; + + vga { + compatible = "vga-connector"; + + port { + vga_con_in: endpoint { + remote-endpoint = <&vga_bridge_out>; + }; + }; + }; + fpga { /* * These PrimeCells are at the same location and using @@ -254,39 +291,27 @@ interrupts = <22>; clocks = <&auxosc>, <&pclk>; clock-names = "clcdclk", "apb_pclk"; + /* 640x480 16bpp @ 25.175MHz is 36827428 bytes/s */ + max-memory-bandwidth = <40000000>; - port { - /* - * The VGA connected is implemented with a - * THS8134A triple DAC that can be run in 24bit - * or 16bit RGB mode. - */ - clcd_pads: endpoint { - remote-endpoint = <&clcd_panel>; - arm,pl11x,tft-r0g0b0-pads = <1 7 13>; - }; - }; - - panel { - compatible = "panel-dpi"; - - port { - clcd_panel: endpoint { - remote-endpoint = <&clcd_pads>; - }; - }; - - /* Standard 640x480 VGA timings */ - panel-timing { - clock-frequency = <25175000>; - hactive = <640>; - hback-porch = <48>; - hfront-porch = <16>; - hsync-len = <96>; - vactive = <480>; - vback-porch = <33>; - vfront-porch = <10>; - vsync-len = <2>; + /* + * This port is routed through a PLD (Programmable + * Logic Device) that routes the output from the CLCD + * (after transformations) to the VGA DAC and also an + * external panel connector. The PLD is essential for + * supporting RGB565/BGR565. + * + * The signals from the port thus reaches two endpoints. + * The PLD is managed through a few special bits in the + * FPGA "sysreg". + * + * This arrangement can be clearly seen in + * ARM DUI 0225D, page 3-41, figure 3-19. + */ + port@0 { + clcd_pads_vga_dac: endpoint { + remote-endpoint = <&vga_bridge_in>; + arm,pl11x,tft-r0g0b0-pads = <0 8 16>; }; }; }; |