Re: [PATCH 3/5] arm64: dts: renesas: r8a779a0: Add RWDT node

From: Geert Uytterhoeven
Date: Tue Dec 22 2020 - 04:15:01 EST


On Fri, Dec 18, 2020 at 6:37 PM Wolfram Sang
<wsa+renesas@xxxxxxxxxxxxxxxxxxxx> wrote:
> From: Hoang Vo <hoang.vo.eb@xxxxxxxxxxx>
>
> Add a device node for the Watchdog Timer (WDT) controller on the
> R8A779A0 SoC.
>
> Signed-off-by: Hoang Vo <hoang.vo.eb@xxxxxxxxxxx>
> [wsa: rebased to mainline]
> Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>

Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
i.e. will queue in renesas-devel for v5.12 (with sort order fixed).

> --- a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
> @@ -85,6 +85,16 @@ rst: reset-controller@e6160000 {
> reg = <0 0xe6160000 0 0x4000>;
> };
>
> + rwdt: watchdog@e6020000 {
> + compatible = "renesas,r8a779a0-wdt",
> + "renesas,rcar-gen3-wdt";
> + reg = <0 0xe6020000 0 0x0c>;
> + clocks = <&cpg CPG_MOD 907>;
> + power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
> + resets = <&cpg 907>;
> + status = "disabled";

No interrupts property? ;-)
As we don't have it described yet for the other R-Car Gen3 SoCs, I
suggest we do that in one batch...

> + };
> +
> sysc: system-controller@e6180000 {
> compatible = "renesas,r8a779a0-sysc";
> reg = <0 0xe6180000 0 0x4000>;

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