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Message-ID: <VI1PR04MB4800555506B64C9E93F9ED36F3FD0@VI1PR04MB4800.eurprd04.prod.outlook.com>
Date: Mon, 15 Oct 2018 02:44:00 +0000
From: Vabhav Sharma <vabhav.sharma@....com>
To: Shawn Guo <shawnguo@...nel.org>
CC: "sudeep.holla@....com" <sudeep.holla@....com>,
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Subject: RE: [PATCH v4 6/6] arm64: dts: add LX2160ARDB board support
> -----Original Message-----
> From: linux-kernel-owner@...r.kernel.org <linux-kernel-
> owner@...r.kernel.org> On Behalf Of Shawn Guo
> Sent: Monday, October 8, 2018 11:22 AM
> 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; Leo Li
> <leoyang.li@....com>; linux@...linux.org.uk; Varun Sethi <V.Sethi@....com>;
> Udit Kumar <udit.kumar@....com>; Pankaj Bansal <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.
Ok, Agree this is fixed 3.3 standby voltage for i2c subchannels
Updating to regulator-sb3v3
>
> > + compatible = "regulator-fixed";
> > + regulator-name = "fixed-3.3V";
>
> The name should be something we can find on board schematics.
Sure, I will update SMPS name which provide fixed 3.3 stand-by voltage
>
> > + 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.
Ok
>
> > + status = "okay";
>
> Have a newline between properties and child node.
Sure.
>
> > + 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.
My mistake, Updated
>
> Shawn
>
> > +
> > +};
> > +
> > +&usb0 {
> > + status = "okay";
> > +};
> > +
> > +&usb1 {
> > + status = "okay";
> > +};
> > +
> > +&crypto {
> > + status = "okay";
> > +};
> > --
> > 2.7.4
> >
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