Hi Russell,
On mar., juil. 10 2018, Russell King <rmk+kernel@xxxxxxxxxxxxxxxx> wrote:
> Add DT configuration for the HDMI display output on the Dove Cubox.
> This adds support for the LCD0 controller which is connected to a
> TDA19988 HDMI encoder.
>
> Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/dove-cubox.dts | 43 ++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 43 insertions(+)
>
> diff --git a/arch/arm/boot/dts/dove-cubox.dts b/arch/arm/boot/dts/dove-cubox.dts
> index 580e3cbcfbf7..f6dd56f63d09 100644
> --- a/arch/arm/boot/dts/dove-cubox.dts
> +++ b/arch/arm/boot/dts/dove-cubox.dts
> @@ -67,6 +67,25 @@
> gpu-subsystem {
> status = "okay";
> };
> +
> + reserved-memory {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + display_reserved: framebuffer {
> + compatible = "marvell,dove-framebuffer";
I didn't find the binding documentation associated to
"marvell,dove-framebuffer".
Could you point me on the accurate file?
> + size = <0x02000000>;
> + alignment = <0x02000000>;
> + no-map;
> + };
> + };
> +
> + display-subsystem {
> + compatible = "marvell,dove-display-subsystem";
Same for this one.
Thanks,
Gregory
> + memory-region = <&display_reserved>;
> + ports = <&lcd0_port>;
> + };
> };
>
> &uart0 { status = "okay"; };
> @@ -117,6 +136,30 @@
> silabs,pll-master;
> };
> };
> +
> + tda998x: hdmi-encoder {
> + compatible = "nxp,tda998x";
> + reg = <0x70>;
> + video-ports = <0x234501>;
> + interrupts-extended = <&gpio0 27 IRQ_TYPE_LEVEL_LOW>;
> +
> + port {
> + tda998x_video: endpoint {
> + remote-endpoint = <&lcd0_rgb>;
> + };
> + };
> + };
> +};
> +
> +&lcd0 {
> + status = "okay";
> + clocks = <&si5351 0>;
> + clock-names = "ext_ref_clk1";
> + lcd0_port: port {
> + lcd0_rgb: endpoint {
> + remote-endpoint = <&tda998x_video>;
> + };
> + };
> };
>
> &sdio0 {
> --
> 2.7.4
>
--
Gregory Clement, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
http://bootlin.com
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