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Date: Mon, 3 Sep 2018 08:53:01 +0800
From: Shawn Guo <shawnguo@...nel.org>
To: Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc: Li Yang <leoyang.li@....com>, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 4/4] arm64: dts: add Microsys MPX-LS1046A SoM and
SBC-LS1046A SBC
On Tue, Aug 28, 2018 at 10:45:44PM +0200, Alexandre Belloni wrote:
> Microsys designs a SoM based on the LS1046A named miriac MPX-LS1046A
> https://microsys.de/products/system-on-modules/qoriqr-armr-architecture/miriactm-mpx-ls1046a/
>
> It also provides an SBC accepting this SoM, the miriac SBC-LS1046
> https://microsys.de/en/products/single-board-computer/miriactm-sbcs/miriactm-sbc-ls1046a/
>
> This adds a dtsi for the SoM and a dts for the SBC.
>
> Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
> ---
> arch/arm64/boot/dts/freescale/Makefile | 1 +
> .../fsl-ls1046a-miriac-mpxls1046.dtsi | 62 ++++++++++
> .../freescale/fsl-ls1046a-miriac-sbc1046.dts | 117 ++++++++++++++++++
> 3 files changed, 180 insertions(+)
> create mode 100644 arch/arm64/boot/dts/freescale/fsl-ls1046a-miriac-mpxls1046.dtsi
> create mode 100644 arch/arm64/boot/dts/freescale/fsl-ls1046a-miriac-sbc1046.dts
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 86e18adb695a..b0b81ca887e8 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -4,6 +4,7 @@ dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-qds.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-rdb.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1043a-qds.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1043a-rdb.dtb
> +dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1046a-miriac-sbc1046.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1046a-qds.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1046a-rdb.dtb
> dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1088a-qds.dtb
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a-miriac-mpxls1046.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1046a-miriac-mpxls1046.dtsi
> new file mode 100644
> index 000000000000..d1948e27fdb4
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a-miriac-mpxls1046.dtsi
> @@ -0,0 +1,62 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +
> +/ {
> + compatible = "microsys,mpxls1046a", "fsl,ls1046a";
> +};
> +
> +&duart0 {
> + status = "okay";
> +};
> +
> +&duart1 {
> + status = "okay";
> +};
> +
> +&i2c0 {
> + status = "okay";
> +
> + temp-sensor@4c {
> + compatible = "national,lm90";
> + reg = <0x4c>;
> + };
> +
> + eeprom@50 {
> + compatible = "at24,24c128";
> + reg = <0x50>;
> + };
> +
> + rtc@32 {
> + compatible = "epson,rx8803";
> + reg = <0x32>;
> + };
We usually sort devices under bus in order of unit-address.
> +};
> +
> +&ifc {
> + #address-cells = <2>;
> + #size-cells = <1>;
> +
> + ranges = <0x0 0x0 0x0 0x7e800000 0x00010000>;
> + status = "okay";
> +
> + nand@0,0 {
> + compatible = "fsl,ifc-nand";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + reg = <0x0 0x0 0x10000>;
> + };
> +};
> +
> +&qspi {
> + num-cs = <1>;
> + bus-num = <0>;
> + status = "okay";
> +
> + qflash0: s25fs512s@0 {
Can we have a generic name for the device node? The label name could be
specific though.
> + compatible = "spansion,m25p80";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + spi-max-frequency = <20000000>;
> + m25p,fast-read;
> + reg = <0>;
> + };
> +};
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a-miriac-sbc1046.dts b/arch/arm64/boot/dts/freescale/fsl-ls1046a-miriac-sbc1046.dts
> new file mode 100644
> index 000000000000..f31be6ed06ea
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a-miriac-sbc1046.dts
> @@ -0,0 +1,117 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +
> +/dts-v1/;
> +
> +#include "fsl-ls1046a.dtsi"
> +#include "fsl-ls1046a-miriac-mpxls1046.dtsi"
> +
> +/ {
> + model = "Microsys miriac SBC-LS1046A";
> + compatible = "microsys,sbc1046a", "microsys,mpxls1046a", "fsl,ls1046a";
> +
> + aliases {
> + ethernet0 = &enet2;
> + ethernet1 = &enet4;
> + ethernet2 = &enet5;
> + ethernet3 = &enet6;
> +
This newline is not really necessary.
> + serial0 = &duart0;
> + serial1 = &duart1;
> + serial2 = &duart2;
> + serial3 = &duart3;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +};
> +
> +&duart0 {
> + status = "okay";
> +};
> +
> +&duart1 {
> + status = "okay";
> +};
> +
> +&i2c0 {
> + status = "okay";
> +
> + eeprom@57 {
> + compatible = "at24,24c128";
> + reg = <0x57>;
> + };
> +};
> +
> +&i2c1 {
> + status = "okay";
> +};
> +
> +&ifc {
> + nand@0,0 {
> + partition@0 {
> + reg = <0x0 0x00100000>;
> + label = "NAND U-Boot Image";
> + read-only;
> + };
> +
> + partition@...000 {
> + reg = <0x00100000 0x00100000>;
> + label = "NAND U-Boot Env";
> + };
> +
> + partition@...000 {
> + reg = <0x00200000 0x01E00000>;
> + label = "NAND FIT Image";
> + };
> +
> + partition@...00000 {
> + reg = <0x02000000 0x1e000000>;
> + label = "NAND (RW) UBIFS Root File System";
> + };
> + };
> +};
> +
> +#include "fsl-ls1046-post.dtsi"
> +
> +&fman0 {
> + compatible = "fsl,fman", "simple-bus";
> +
> + ethernet@...00 {
> + phy-handle = <&rgmii_phy1>;
> + phy-connection-type = "rgmii";
> + };
> +
> + ethernet@...00 {
> + phy-handle = <&sgmii_phy1>;
> + phy-connection-type = "sgmii";
> + };
> +
> + ethernet@...00 {
> + phy-handle = <&sgmii_phy2>;
> + phy-connection-type = "sgmii";
> + };
> +
> + ethernet@...00 {
> + phy-handle = <&sgmii_phy3>;
> + phy-connection-type = "sgmii";
> + };
> +
> + mdio@...00 {
> + rgmii_phy1: ethernet-phy@3 {
> + reg = <3>;
> + };
> +
> + sgmii_phy1: ethernet-phy@2 {
> + reg = <2>;
> + };
> +
> + sgmii_phy2: ethernet-phy@1 {
> + reg = <1>;
> + };
> +
> + sgmii_phy3: ethernet-phy@0 {
> + reg = <0>;
> + };
Sort them in unit-address.
Shawn
> + };
> +};
> --
> 2.18.0
>
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