linux-kernel - Re: [PATCH v5 2/2] arm64: dts: exynos: add pwm node for exynosautov9-sadk

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Message-ID: <a62141a9-a2c0-6568-cb05-5ef59250e10f@linaro.org>
Date:   Tue, 18 Jul 2023 08:06:29 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Jaewon Kim <jaewon02.kim@...sung.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Alim Akhtar <alim.akhtar@...sung.com>
Cc:     linux-pwm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH v5 2/2] arm64: dts: exynos: add pwm node for
 exynosautov9-sadk

On 18/07/2023 05:42, Jaewon Kim wrote:
> Add pwm node to support fan on exynosautov9-sadk board.
> PWM channel 3 of ExynosAutov9 is connected to fan for SoC cooling
> in SADK board.
> 
> Signed-off-by: Jaewon Kim <jaewon02.kim@...sung.com>
> ---
>  arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts |  6 ++++++
>  arch/arm64/boot/dts/exynos/exynosautov9.dtsi     | 10 ++++++++++
>  2 files changed, 16 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
> index 101f51bf565a..bc1815f6ada2 100644
> --- a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
> +++ b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
> @@ -49,6 +49,12 @@
>  	};
>  };
>  
> +&pwm {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pwm_tout3>;
> +	status = "okay";

I think you miss disabling it.

> +};

Best regards,
Krzysztof