1 Atmel HLCDC Framebuffer 2 ----------------------------------------------------- 3 Required properties: 4 - compatible : 5 "atmel,sama5d2-hlcdc", "atmel,at91sam9x5-hlcdc". 6 - reg: physical base address of the controller and length of memory mapped 7 region. 8 - clocks: phandles to input clocks. 9 - atmel,vl-bpix: Bits per pixel. 10 - atmel,output-mode: LCD Controller Output Mode, 11 The unit is bits per pixel, there are four values, 12 <12>, <16>, <18>, <24>, the default value is <24>. 13 - atmel,guard-time: lcd guard time (Delay in frame periods). 14 - display-timings: please refer the displaymode.txt. 15 16 Example: 17 hlcdc: hlcdc@f0000000 { 18 u-boot,dm-pre-reloc; 19 compatible = "atmel,sama5d2-hlcdc"; 20 reg = <0xf0000000 0x2000>; 21 clocks = <&lcdc_clk>; 22 atmel,vl-bpix = <4>; 23 atmel,output-mode = <24>; 24 atmel,guard-time = <1>; 25 pinctrl-names = "default"; 26 pinctrl-0 = <&pinctrl_lcd_base &pinctrl_lcd_pwm &pinctrl_lcd_rgb666>; 27 status = "okay"; 28 29 display-timings { 30 480x272 { 31 clock-frequency = <9000000>; 32 hactive = <480>; 33 vactive = <272>; 34 hsync-len = <41>; 35 hfront-porch = <2>; 36 hback-porch = <2>; 37 vfront-porch = <2>; 38 vback-porch = <2>; 39 vsync-len = <11>; 40 }; 41 }; 42 }; 43
