Re: [PATCH v3 1/3] arm64: dts: renesas: r8a779a0: Add DU support

From: Geert Uytterhoeven
Date: Thu Sep 23 2021 - 03:00:25 EST


Hi Kieran,

On Thu, Sep 23, 2021 at 3:04 AM Kieran Bingham
<kieran.bingham@xxxxxxxxxxxxxxxx> wrote:
> From: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
> Provide the device nodes for the DU on the V3U platforms.
>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> Signed-off-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
> ---
> v2
> - Use a single clock specification for the whole DU.
>
> v3:
> - Use 'du.0' clock name instead of 'du'

Thanks for the update!

> --- a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
> @@ -1251,6 +1251,36 @@ vspd1: vsp@fea28000 {
> renesas,fcp = <&fcpvd1>;
> };
>
> + du: display@feb00000 {
> + compatible = "renesas,du-r8a779a0";
> + reg = <0 0xfeb00000 0 0x40000>;
> + interrupts = <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cpg CPG_MOD 411>;
> + clock-names = "du.0";
> + power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
> + resets = <&cpg 411>;

You missed reset-names.

> + vsps = <&vspd0 0>, <&vspd1 0>;
> + status = "disabled";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + du_out_dsi0: endpoint {
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> + du_out_dsi1: endpoint {
> + };
> + };
> + };
> + };
> +
> prr: chipid@fff00044 {
> compatible = "renesas,prr";
> reg = <0 0xfff00044 0 4>;

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