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Message-ID: <569e39a0-b91c-46f1-b55d-c9324d66339b@linaro.org>
Date:   Mon, 6 Nov 2023 10:26:46 +0100
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From:   Neil Armstrong <neil.armstrong@linaro.org>
Reply-To: neil.armstrong@linaro.org
Subject: Re: [PATCH RESEND] arm64: dts: VIM3: Set the rates of the clocks for
 the NPU
Content-Language: en-US, fr
To:     Tomeu Vizoso <tomeu@tomeuvizoso.net>, linux-kernel@vger.kernel.org
Cc:     Lucas Stach <l.stach@pengutronix.de>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Kevin Hilman <khilman@baylibre.com>,
        Jerome Brunet <jbrunet@baylibre.com>,
        Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>,
        "moderated list:ARM/Amlogic Meson SoC support" 
        <linux-arm-kernel@lists.infradead.org>,
        "open list:ARM/Amlogic Meson SoC support" 
        <linux-amlogic@lists.infradead.org>
References: <20231106092202.11127-1-tomeu@tomeuvizoso.net>
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On 06/11/2023 10:22, Tomeu Vizoso wrote:
> Otherwise they are left at 24MHz and the NPU runs very slowly.
> 
> Signed-off-by: Tomeu Vizoso <tomeu@tomeuvizoso.net>
> Suggested-by: Lucas Stach <l.stach@pengutronix.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@ff100000 {
>   		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@linaro.org>