[U-Boot] [RFC 5/6] ARM: dts: colibri_imx7: Add lcdif node
Fabio Estevam
festevam at gmail.com
Tue Jun 4 22:06:28 UTC 2019
Hi Igor,
On Mon, Jun 3, 2019 at 6:06 PM Igor Opaniuk <igor.opaniuk at gmail.com> wrote:
> +&lcdif {
> + u-boot,dm-pre-reloc;
> + status = "okay";
> +
> + display-timings {
> + native-mode = <&timing_vga>;
> +
> + /* Standard VGA timing */
> + timing_vga: 640x480 {
> + u-boot,dm-pre-reloc;
> + clock-frequency = <25175000>;
> + hactive = <640>;
> + vactive = <480>;
> + hback-porch = <48>;
> + hfront-porch = <16>;
> + vback-porch = <33>;
> + vfront-porch = <10>;
> + hsync-len = <96>;
> + vsync-len = <2>;
> +
> + de-active = <1>;
> + hsync-active = <0>;
> + vsync-active = <0>;
> + pixelclk-active = <0>
This is the deprecated style mxsfb fbdev binding.
In the kernel we no longer use this style as documented in
Documentation/devicetree/bindings/display/mxsfb.txt
If we follow this route in U-Boot then we will diverge from the kernel
recommended bindings.
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