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