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Date:   Fri, 14 Feb 2020 11:04:11 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Robert Jones <rjones@...eworks.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] ARM: dts: imx: imx6qdl-gw553x.dtsi: add lsm9ds1 iio
 imu/magn support

On Tue, Jan 28, 2020 at 02:13:26PM -0800, Robert Jones wrote:
> Add one node for the accel/gyro i2c device and another for the separate
> magnetometer device in the lsm9ds1.
> 
> Signed-off-by: Robert Jones <rjones@...eworks.com>
> ---
>  arch/arm/boot/dts/imx6qdl-gw553x.dtsi | 31 +++++++++++++++++++++++++++++++
>  1 file changed, 31 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/imx6qdl-gw553x.dtsi b/arch/arm/boot/dts/imx6qdl-gw553x.dtsi
> index a106689..305b2f0 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw553x.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw553x.dtsi
> @@ -173,6 +173,25 @@
>  	pinctrl-0 = <&pinctrl_i2c2>;
>  	status = "okay";
>  
> +	lsm9ds1_m@1c {

Please use a generic node name?

> +		compatible = "st,lsm9ds1-magn";
> +		reg = <0x1c>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_mag>;
> +		interrupt-parent = <&gpio1>;
> +		interrupts = <2 IRQ_TYPE_EDGE_RISING>;
> +	};
> +
> +	lsm9ds1_ag@6a {

Ditto

> +		compatible = "st,lsm9ds1-imu";
> +		reg = <0x6a>;
> +		st,drdy-int-pin = <1>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_acc_gyro>;
> +		interrupt-parent = <&gpio7>;
> +		interrupts = <13 IRQ_TYPE_LEVEL_HIGH>;
> +	};
> +
>  	ltc3676: pmic@3c {
>  		compatible = "lltc,ltc3676";
>  		reg = <0x3c>;
> @@ -462,6 +481,18 @@
>  		>;
>  	};
>  
> +	pinctrl_mag: maggrp {
> +		fsl,pins = <
> +			MX6QDL_PAD_GPIO_2__GPIO1_IO02		0x1b0b0
> +		>;
> +	};
> +
> +	pinctrl_acc_gyro: acc_gyrogrp {

Sort pinctrl nodes alphabetically.  Also we generally do not use
underscore in node name.

Shawn

> +		fsl,pins = <
> +			MX6QDL_PAD_GPIO_18__GPIO7_IO13		0x1b0b0
> +		>;
> +	};
> +
>  	pinctrl_pps: ppsgrp {
>  		fsl,pins = <
>  			MX6QDL_PAD_ENET_RXD1__GPIO1_IO26	0x1b0b1
> -- 
> 2.9.2
> 

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