linux-kernel - Re: [PATCH v3 3/5] arm64: dts: ls2081a-rdb: Add DTS for NXP LS2081ARDB

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Date:   Mon, 5 Sep 2022 08:47:44 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Li Yang <leoyang.li@....com>
Cc:     devicetree@...r.kernel.org, robh+dt@...nel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Priyanka Jain <priyanka.jain@....com>,
        Santan Kumar <santan.kumar@....com>,
        Tao Yang <b31903@...escale.com>,
        Yogesh Gaur <yogeshnarayan.gaur@....com>,
        Abhimanyu Saini <abhimanyu.saini@....com>
Subject: Re: [PATCH v3 3/5] arm64: dts: ls2081a-rdb: Add DTS for NXP
 LS2081ARDB

On Tue, Aug 23, 2022 at 06:49:11PM -0500, Li Yang wrote:
> From: Priyanka Jain <priyanka.jain@....com>
> 
> This patch adds support for NXP LS2081ARDB board which has LS2081A SoC.
> 
> LS2081A SoC is 40-pin derivative of LS2088A SoC. From functional
> perspective both are same. Hence, LS2088a SoC dtsi file is included
> from LS2081ARDB dts.
> 
> Signed-off-by: Priyanka Jain <priyanka.jain@....com>
> Signed-off-by: Santan Kumar <santan.kumar@....com>
> Signed-off-by: Tao Yang <b31903@...escale.com>
> Signed-off-by: Yogesh Gaur <yogeshnarayan.gaur@....com>
> Signed-off-by: Abhimanyu Saini <abhimanyu.saini@....com>
> Signed-off-by: Li Yang <leoyang.li@....com>
> ---
>  arch/arm64/boot/dts/freescale/Makefile        |   1 +
>  .../boot/dts/freescale/fsl-ls2081a-rdb.dts    | 132 ++++++++++++++++++
>  2 files changed, 133 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/freescale/fsl-ls2081a-rdb.dts
> 
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 2cf55534c162..bf7c448fa817 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -36,6 +36,7 @@ dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1088a-rdb.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1088a-ten64.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls2080a-qds.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls2080a-rdb.dtb
> +dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls2081a-rdb.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls2080a-simu.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls2088a-qds.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls2088a-rdb.dtb
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2081a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls2081a-rdb.dts
> new file mode 100644
> index 000000000000..44e955d2db12
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls2081a-rdb.dts
> @@ -0,0 +1,132 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Device Tree file for NXP LS2081A RDB Board.
> + *
> + * Copyright 2017 NXP
> + *
> + * Priyanka Jain <priyanka.jain@....com>
> + *
> + */
> +
> +/dts-v1/;
> +
> +#include "fsl-ls2088a.dtsi"
> +
> +/ {
> +	model = "NXP Layerscape 2081A RDB Board";
> +	compatible = "fsl,ls2081a-rdb", "fsl,ls2081a";
> +
> +	aliases {
> +		serial0 = &serial0;
> +		serial1 = &serial1;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial1:115200n8";
> +	};
> +};
> +
> +&dspi {
> +	status = "okay";
> +
> +	n25q512a: flash@0 {
> +		compatible = "jedec,spi-nor";
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		spi-max-frequency = <3000000>;
> +		reg = <0>;
> +	};
> +};
> +
> +&esdhc {
> +	status = "okay";
> +};
> +
> +&ifc {
> +	status = "disabled";
> +};
> +
> +&i2c0 {

In alphabetic order, ifc should go after i2c0.

Shawn

> +	status = "okay";
> +
> +	pca9547: mux@75 {
> +		compatible = "nxp,pca9547";
> +		reg = <0x75>;
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		i2c@1 {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			reg = <0x1>;
> +
> +			rtc@51 {
> +				compatible = "nxp,pcf2129";
> +				reg = <0x51>;
> +			};
> +		};
> +
> +		i2c@2 {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			reg = <0x2>;
> +
> +			ina220@40 {
> +				compatible = "ti,ina220";
> +				reg = <0x40>;
> +				shunt-resistor = <500>;
> +			};
> +		};
> +
> +		i2c@3 {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			reg = <0x3>;
> +
> +			adt7481@4c {
> +				compatible = "adi,adt7461";
> +				reg = <0x4c>;
> +			};
> +		};
> +	};
> +};
> +
> +&qspi {
> +	status = "okay";
> +
> +	s25fs512s0: flash@0 {
> +		compatible = "jedec,spi-nor";
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		spi-rx-bus-width = <4>;
> +		spi-tx-bus-width = <4>;
> +		spi-max-frequency = <20000000>;
> +		reg = <0>;
> +	};
> +
> +	s25fs512s1: flash@1 {
> +		compatible = "jedec,spi-nor";
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		spi-rx-bus-width = <4>;
> +		spi-tx-bus-width = <4>;
> +		spi-max-frequency = <20000000>;
> +		reg = <1>;
> +	};
> +};
> +
> +&sata0 {
> +	status = "okay";
> +};
> +
> +&sata1 {
> +	status = "okay";
> +};
> +
> +&usb0 {
> +	status = "okay";
> +};
> +
> +&usb1 {
> +	status = "okay";
> +};
> -- 
> 2.37.1
>