linux-kernel - Re: [PATCH v2 3/3] ARM: dts: omap: omap4-embt2ws: Add IMU at control unit

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Date:   Wed, 27 Sep 2023 09:57:01 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Andreas Kemnade <andreas@...nade.info>, jic23@...nel.org,
        lars@...afoo.de, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        bcousson@...libre.com, tony@...mide.com,
        jean-baptiste.maneyrol@....com, chenhuiz@...s.com,
        andy.shevchenko@...il.com, linux-iio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-omap@...r.kernel.org
Subject: Re: [PATCH v2 3/3] ARM: dts: omap: omap4-embt2ws: Add IMU at control
 unit

On 26/09/2023 22:37, Andreas Kemnade wrote:
> Add also the level-shifter flag to avoid probe failure in magnetometer
> probe.
> 
> Signed-off-by: Andreas Kemnade <andreas@...nade.info>
> ---
>  .../boot/dts/ti/omap/omap4-epson-embt2ws.dts    | 17 ++++++++++++++++-
>  1 file changed, 16 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
> index cd4f858d846ab..0cc66e158a8d5 100644
> --- a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
> +++ b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
> @@ -391,7 +391,16 @@ tlv320aic3x: codec@18 {
>  		reset-gpios = <&gpio2 23 GPIO_ACTIVE_LOW>;
>  	};
>  
> -	/* TODO: mpu9150 at control unit, seems to require quirks */
> +	mpu9150: imu@68 {
> +		compatible = "invensense,mpu9150";
> +		reg = <0x68>;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&mpu9150_pins>;
> +		interrupt-parent = <&gpio2>;
> +		interrupt = <7 IRQ_TYPE_LEVEL_HIGH>;
> +		invensense,level-shifter;
> +	};
>  };
>  
>  &keypad {
> @@ -530,6 +539,12 @@ OMAP4_IOPAD(0x0fc, PIN_INPUT | MUX_MODE0)       /* abe_mcbsp2_fsx */
>  		>;
>  	};
>  
> +	mpu9150_pins: pinmux_mpu9150-pins {

Not much improved.

Best regards,
Krzysztof