linux-kernel - Re: [PATCH v4 6/6] arm64: dts: add LX2160ARDB board support

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Date:   Mon, 8 Oct 2018 13:52:01 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Vabhav Sharma <vabhav.sharma@....com>
Cc:     sudeep.holla@....com, oss@...error.net,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        robh+dt@...nel.org, mark.rutland@....com,
        linuxppc-dev@...ts.ozlabs.org,
        linux-arm-kernel@...ts.infradead.org, mturquette@...libre.com,
        sboyd@...nel.org, rjw@...ysocki.net, viresh.kumar@...aro.org,
        linux-clk@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-kernel-owner@...r.kernel.org, catalin.marinas@....com,
        will.deacon@....com, gregkh@...uxfoundation.org, arnd@...db.de,
        kstewart@...uxfoundation.org, yamada.masahiro@...ionext.com,
        leoyang.li@....com, linux@...linux.org.uk, V.Sethi@....com,
        udit.kumar@....com, pankaj.bansal@....com,
        Priyanka Jain <priyanka.jain@....com>,
        Sriram Dash <sriram.dash@....com>
Subject: Re: [PATCH v4 6/6] arm64: dts: add LX2160ARDB board support

On Thu, Oct 04, 2018 at 06:33:51AM +0530, Vabhav Sharma wrote:
> LX2160A reference design board (RDB) is a high-performance
> computing, evaluation, and development platform with LX2160A
> SoC.
> 
> Signed-off-by: Priyanka Jain <priyanka.jain@....com>
> Signed-off-by: Sriram Dash <sriram.dash@....com>
> Signed-off-by: Vabhav Sharma <vabhav.sharma@....com>
> ---
>  arch/arm64/boot/dts/freescale/Makefile            |   1 +
>  arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts | 100 ++++++++++++++++++++++
>  2 files changed, 101 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts
> 
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 86e18ad..445b72b 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -13,3 +13,4 @@ dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls2080a-rdb.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls2080a-simu.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls2088a-qds.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls2088a-rdb.dtb
> +dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-lx2160a-rdb.dtb
> diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts
> new file mode 100644
> index 0000000..1483071
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts
> @@ -0,0 +1,100 @@
> +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> +//
> +// Device Tree file for LX2160ARDB
> +//
> +// Copyright 2018 NXP
> +
> +/dts-v1/;
> +
> +#include "fsl-lx2160a.dtsi"
> +
> +/ {
> +	model = "NXP Layerscape LX2160ARDB";
> +	compatible = "fsl,lx2160a-rdb", "fsl,lx2160a";
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	sb_3v3: regulator-fixed {

The node name should probably be named like regulator-sb3v3 or
something, so that the pattern can be followed when we have another
fixed regulator to be added.

> +		compatible = "regulator-fixed";
> +		regulator-name = "fixed-3.3V";

The name should be something we can find on board schematics.

> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		regulator-boot-on;
> +		regulator-always-on;
> +	};
> +
> +};
> +
> +&uart0 {
> +	status = "okay";
> +};
> +
> +&uart1 {
> +	status = "okay";
> +};
> +
> +&i2c0 {

Please keep these labeled nodes sorted alphabetically.

> +	status = "okay";

Have a newline between properties and child node.

> +	i2c-mux@77 {
> +		compatible = "nxp,pca9547";
> +		reg = <0x77>;
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		i2c@2 {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			reg = <0x2>;
> +
> +			power-monitor@40 {
> +				compatible = "ti,ina220";
> +				reg = <0x40>;
> +				shunt-resistor = <1000>;
> +			};
> +		};
> +
> +		i2c@3 {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			reg = <0x3>;
> +
> +			temperature-sensor@4c {
> +				compatible = "nxp,sa56004";
> +				reg = <0x4c>;
> +				vcc-supply = <&sb_3v3>;
> +			};
> +
> +			temperature-sensor@4d {
> +				compatible = "nxp,sa56004";
> +				reg = <0x4d>;
> +				vcc-supply = <&sb_3v3>;
> +			};
> +		};
> +	};
> +};
> +
> +&i2c4 {
> +	status = "okay";
> +
> +	rtc@51 {
> +		compatible = "nxp,pcf2129";
> +		reg = <0x51>;
> +		// IRQ10_B
> +		interrupts = <0 150 0x4>;
> +		};

Bad indentation.

Shawn

> +
> +};
> +
> +&usb0 {
> +	status = "okay";
> +};
> +
> +&usb1 {
> +	status = "okay";
> +};
> +
> +&crypto {
> +	status = "okay";
> +};
> -- 
> 2.7.4
>