Re: [PATCH 11/22] ARM: dts: r8a7744: Add DU support

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Hi Biju,

On Tue, Nov 27, 2018 at 1:05 PM Biju Das <biju.das@xxxxxxxxxxxxxx> wrote:
> Add du node to r8a7744 SoC DT. Boards that want to enable the DU
> need to specify the output topology.
>
> Signed-off-by: Biju Das <biju.das@xxxxxxxxxxxxxx>

Thanks for your patch!

> --- a/arch/arm/boot/dts/r8a7744.dtsi
> +++ b/arch/arm/boot/dts/r8a7744.dtsi
> @@ -1300,8 +1300,17 @@
>                 };
>
>                 du: display@feb00000 {
> +                       compatible = "renesas,du-r8a7744";
>                         reg = <0 0xfeb00000 0 0x40000>,
>                               <0 0xfeb90000 0 0x1c>;
> +                       reg-names = "du", "lvds.0";

Please use the new DU/LVDS bindings, using a separate node for LVDS.

BTW, I believe the display won't work with a recent tree, unless you've added
a DT live patch drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7744.dts?

The same is true for RZ/G1M.

> +                       interrupts = <GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH>,
> +                                    <GIC_SPI 268 IRQ_TYPE_LEVEL_HIGH>;
> +                       clocks = <&cpg CPG_MOD 724>,
> +                                <&cpg CPG_MOD 723>,
> +                                <&cpg CPG_MOD 726>;
> +                       clock-names = "du.0", "du.1", "lvds.0";
> +                       status = "disabled";
>
>                         ports {
>                                 #address-cells = <1>;

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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