linux-kernel - Re: [PATCH 1/2] arm64: dts: fsl-ls1012a-rdb: add i2c devices

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Message-ID: <CAJN1KkwW174XKn+covSgCHkzUbS40BqAzLBA5QMt4CD2v5CTYw@mail.gmail.com>
Date:   Mon, 18 Jan 2021 11:08:11 +0100
From:   Paweł Dembicki <paweldembicki@...il.com>
To:     Shawn Guo <shawnguo@...nel.org>
Cc:     Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Yangbo Lu <yangbo.lu@....com>, Li Yang <leoyang.li@....com>,
        Rob Herring <robh+dt@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] arm64: dts: fsl-ls1012a-rdb: add i2c devices

On 18.01.2021 at 08:36 Shawn Guo <shawnguo@...nel.org> wrote:
>
> On Fri, Jan 15, 2021 at 11:16:12AM +0100, Pawel Dembicki wrote:
> > LS1012A-RDB equipped in some i2c devices:
> >   - 3x GPIO Expander: PCAL9555A (NXP)
> >   - Gyro: FXAS21002 (NXP)
> >   - Accelerometer: FXOS8700 (NXP)
> >   - Current & Power Monitor: INA220 (TI)
> >
> > This patch add listed devices to dts.
> >
> > Signed-off-by: Pawel Dembicki <paweldembicki@...il.com>
> > ---
> >  .../boot/dts/freescale/fsl-ls1012a-rdb.dts    | 45 +++++++++++++++++++
> >  1 file changed, 45 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1012a-rdb.dts
> > index d45c17620b98..12117a973eb6 100644
> > --- a/arch/arm64/boot/dts/freescale/fsl-ls1012a-rdb.dts
> > +++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a-rdb.dts
> > @@ -7,6 +7,7 @@
> >   */
> >  /dts-v1/;
> >
> > +#include <dt-bindings/interrupt-controller/irq.h>
> >  #include "fsl-ls1012a.dtsi"
> >
> >  / {
> > @@ -33,6 +34,50 @@ &esdhc1 {
> >
> >  &i2c0 {
> >       status = "okay";
> > +
> > +     accelerometer@1e {
> > +             compatible = "nxp,fxos8700";
> > +             reg = <0x1e>;
> > +             interrupt-parent = <&gpio26>;
> > +             interrupts = <13 IRQ_TYPE_EDGE_RISING>;
> > +             interrupt-names = "INT1";
> > +     };
> > +
> > +     gyroscope@20 {
>
> Please sort these device node in unit-address.
>
> Shawn
>

Could You give me more details please?  Devices are sorted by
unit-address ascending.

Pawel

> > +             compatible = "nxp,fxas21002c";
> > +             reg = <0x20>;
> > +     };
> > +
> > +     gpio@24 {
> > +             compatible = "nxp,pcal9555a";
> > +             reg = <0x24>;
> > +             gpio-controller;
> > +             #gpio-cells = <2>;
> > +     };
> > +
> > +     gpio@25 {
> > +             compatible = "nxp,pcal9555a";
> > +             reg = <0x25>;
> > +             gpio-controller;
> > +             #gpio-cells = <2>;
> > +     };
> > +
> > +     gpio26: gpio@26 {
> > +             compatible = "nxp,pcal9555a";
> > +             reg = <0x26>;
> > +             interrupt-parent = <&gpio0>;
> > +             interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
> > +             interrupt-controller;
> > +             #interrupt-cells = <2>;
> > +             gpio-controller;
> > +             #gpio-cells = <2>;
> > +     };
> > +
> > +     current-sensor@40 {
> > +             compatible = "ti,ina220";
> > +             reg = <0x40>;
> > +             shunt-resistor = <2000>;
> > +     };
> >  };
> >
> >  &qspi {
> > --
> > 2.25.1
> >