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43 lines
1.1 KiB
Text
43 lines
1.1 KiB
Text
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Atmel HLCDC Framebuffer
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-----------------------------------------------------
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Required properties:
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- compatible :
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"atmel,sama5d2-hlcdc", "atmel,at91sam9x5-hlcdc".
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- reg: physical base address of the controller and length of memory mapped
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region.
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- clocks: phandles to input clocks.
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- atmel,vl-bpix: Bits per pixel.
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- atmel,output-mode: LCD Controller Output Mode,
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The unit is bits per pixel, there are four values,
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<12>, <16>, <18>, <24>, the default value is <24>.
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- atmel,guard-time: lcd guard time (Delay in frame periods).
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- display-timings: please refer the displaymode.txt.
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Example:
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hlcdc: hlcdc@f0000000 {
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u-boot,dm-pre-reloc;
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compatible = "atmel,sama5d2-hlcdc";
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reg = <0xf0000000 0x2000>;
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clocks = <&lcdc_clk>;
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atmel,vl-bpix = <4>;
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atmel,output-mode = <24>;
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atmel,guard-time = <1>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_lcd_base &pinctrl_lcd_pwm &pinctrl_lcd_rgb666>;
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status = "okay";
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display-timings {
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480x272 {
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clock-frequency = <9000000>;
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hactive = <480>;
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vactive = <272>;
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hsync-len = <41>;
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hfront-porch = <2>;
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hback-porch = <2>;
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vfront-porch = <2>;
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vback-porch = <2>;
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vsync-len = <11>;
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};
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};
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};
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