linux-kernel - Re: [PATCH RESEND] arm64: dts: VIM3: Set the rates of the clocks for the NPU

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Date: Wed, 10 Jan 2024 16:40:19 +0100
From: Tomeu Vizoso <tomeu@...euvizoso.net>
To: Jerome Brunet <jbrunet@...libre.com>
Cc: Neil Armstrong <neil.armstrong@...aro.org>, linux-kernel@...r.kernel.org, 
	Lucas Stach <l.stach@...gutronix.de>, Rob Herring <robh+dt@...nel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>, 
	Kevin Hilman <khilman@...libre.com>, 
	Martin Blumenstingl <martin.blumenstingl@...glemail.com>, 
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" <devicetree@...r.kernel.org>, 
	"moderated list:ARM/Amlogic Meson SoC support" <linux-arm-kernel@...ts.infradead.org>, 
	"open list:ARM/Amlogic Meson SoC support" <linux-amlogic@...ts.infradead.org>
Subject: Re: [PATCH RESEND] arm64: dts: VIM3: Set the rates of the clocks for
 the NPU

On Mon, Nov 6, 2023 at 11:43 AM Jerome Brunet <jbrunet@...libre.com> wrote:
>
>
> On Mon 06 Nov 2023 at 10:26, Neil Armstrong <neil.armstrong@...aro.org> wrote:
>
> > On 06/11/2023 10:22, Tomeu Vizoso wrote:
>
> patch title is misleading. It does not target the vim3 only but all g12
> and sm1 HWs.
>
> It should start with "arm64: dts: amlogic: g12: " instead

Thanks, have fixed and resent.

Cheers,

Tomeu

> >> Otherwise they are left at 24MHz and the NPU runs very slowly.
> >> Signed-off-by: Tomeu Vizoso <tomeu@...euvizoso.net>
> >> Suggested-by: Lucas Stach <l.stach@...gutronix.de>
> >> ---
> >>   arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi | 3 +++
> >>   1 file changed, 3 insertions(+)
> >> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
> >> b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
> >> index ff68b911b729..9d5eab6595d0 100644
> >> --- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
> >> +++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
> >> @@ -2502,6 +2502,9 @@ npu: npu@...00000 {
> >>              clocks = <&clkc CLKID_NNA_CORE_CLK>,
> >>                       <&clkc CLKID_NNA_AXI_CLK>;
> >>              clock-names = "core", "bus";
> >> +            assigned-clocks = <&clkc CLKID_NNA_CORE_CLK>,
> >> +                              <&clkc CLKID_NNA_AXI_CLK>;
> >> +            assigned-clock-rates = <800000000>, <800000000>;
> >>              resets = <&reset RESET_NNA>;
> >>              status = "disabled";
> >>      };
> >
> > Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>
>