Re: [PATCH 3/6] arm64: dts: renesas: r8a779a0: Add CSI-2 nodes
From: Geert Uytterhoeven
Date: Thu Oct 15 2020 - 08:44:05 EST
Hi Jacopo,
On Wed, Oct 14, 2020 at 11:40 AM Jacopo Mondi <jacopo+renesas@xxxxxxxxxx> wrote:
> Add CSI-2 nodes to R8A779A0 R-Car V3U SoC.
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
Thanks for your patch!
> The chip manual reports that the CSI-2 units are fed with S1D1 and S1D2
> clocks. The same applies to other SoCs, but none lists the two
> additional clocks in the DTS node. So I left them out here as well.
As these clocks are always-on, and as long as the driver does't
care about the actual clock rates, that is fine.
> --- a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
> @@ -105,6 +105,47 @@ scif0: serial@e6e60000 {
> status = "disabled";
> };
>
> + csi40: csi2@feaa0000 {
> + compatible = "renesas,r8a779a0-csi2";
> + reg = <0 0xfeaa0000 0 0x10000>;
> + interrupts = <GIC_SPI 192 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cpg CPG_MOD 331>;
> + power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
> + resets = <&cpg 331>;
> + status = "disabled";
Missing "ports" subnode?
Apart from that:
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
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