linux-kernel - Re: [PATCH] arm64: dts: imx8mn-var-som-symphony: fix USB OTG

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Date:   Tue, 4 Jul 2023 17:08:12 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Hugo Villeneuve <hugo@...ovil.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>
Cc:     Hugo Villeneuve <hvilleneuve@...onoff.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: imx8mn-var-som-symphony: fix USB OTG

On 04/07/2023 17:02, Hugo Villeneuve wrote:
> From: Hugo Villeneuve <hvilleneuve@...onoff.com>
> 
> USB OTG is currently broken on the Variscite Symphony EVK and imx8mn
> nano SOM.
> 
> Import changes from linux-5.15 branch of varigit repos to fix it.
> 
> Link: https://github.com/varigit/linux-imx.git
> Fixes: 7358e05bddca ("arm64: dts: imx8mn-var-som-symphony: Add Variscite Symphony board with VAR-SOM-MX8MN")
> Signed-off-by: Hugo Villeneuve <hvilleneuve@...onoff.com>
> ---
>  .../dts/freescale/imx8mn-var-som-symphony.dts | 37 ++++++++++++++++++-
>  1 file changed, 35 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mn-var-som-symphony.dts b/arch/arm64/boot/dts/freescale/imx8mn-var-som-symphony.dts
> index 406a711486da..aef89198f24c 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mn-var-som-symphony.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mn-var-som-symphony.dts
> @@ -6,6 +6,7 @@
>  
>  /dts-v1/;
>  
> +#include <dt-bindings/usb/pd.h>
>  #include "imx8mn-var-som.dtsi"
>  
>  / {
> @@ -104,10 +105,29 @@ extcon_usbotg1: typec@3d {
>  		compatible = "nxp,ptn5150";
>  		reg = <0x3d>;
>  		interrupt-parent = <&gpio1>;
> -		interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
> +		interrupts = <11 IRQ_TYPE_NONE>;

That's surprising, why?


Best regards,
Krzysztof