DT binding documentation for atmel HLCDC driver.
Signed-off-by: Songjun Wu songjun.wu@microchip.com ---
Changes in v3: - Add 'atmel,output-mode' entry in dts.
Changes in v2: None
doc/device-tree-bindings/video/atme-hlcdc.txt | 42 +++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 doc/device-tree-bindings/video/atme-hlcdc.txt
diff --git a/doc/device-tree-bindings/video/atme-hlcdc.txt b/doc/device-tree-bindings/video/atme-hlcdc.txt new file mode 100644 index 0000000000..8a126943c0 --- /dev/null +++ b/doc/device-tree-bindings/video/atme-hlcdc.txt @@ -0,0 +1,42 @@ +Atmel HLCDC Framebuffer +----------------------------------------------------- +Required properties: +- compatible : + "atmel,sama5d2-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 { + u-boot,dm-pre-reloc; + 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>; + }; + }; +}; \ No newline at end of file