Re: [PATCH] ARM: dt: add lsm9ds1 iio imu/magn support to gw553x

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On Mon, Oct 21, 2019 at 11:30 AM Bobby Jones <rjones@xxxxxxxxxxxxx> wrote:
>
> On Mon, Oct 21, 2019 at 1:19 AM Marco Felsch <m.felsch@xxxxxxxxxxxxxx> wrote:
> >
> > Hi Robert,
> >
> > same here, don't name it 'ARM: dt: ...' instead name it 'ARM: dts: imx:
> > ventana: ..' or 'ARM: dts: imx: imx6qdl-gw553x: ..'.
>
> Sorry about that, I'll follow that format from now on.
> >
> > On 19-10-18 16:21, Robert Jones wrote:
> > > Add one node for the accel/gyro i2c device and another for the separate
> > > magnetometer device in the lsm9ds1.
> > >
> > > Signed-off-by: Robert Jones <rjones@xxxxxxxxxxxxx>
> > > ---
> > >  arch/arm/boot/dts/imx6qdl-gw553x.dtsi | 31 +++++++++++++++++++++++++++++++
> > >  1 file changed, 31 insertions(+)
> > >
> > > diff --git a/arch/arm/boot/dts/imx6qdl-gw553x.dtsi b/arch/arm/boot/dts/imx6qdl-gw553x.dtsi
> > > index a106689..55e6922 100644
> > > --- a/arch/arm/boot/dts/imx6qdl-gw553x.dtsi
> > > +++ b/arch/arm/boot/dts/imx6qdl-gw553x.dtsi
> > > @@ -173,6 +173,25 @@
> > >       pinctrl-0 = <&pinctrl_i2c2>;
> > >       status = "okay";
> > >
> > > +     lsm9ds1_ag@6a {
> > > +             compatible = "st,lsm9ds1-imu";
> >
> > Didn't found this compatible string.
> So this is a compatible string for a driver that's being mainlined
> now. The devicetree bindings for which has already been reviewed-by
> Rob Herring as seen here:
> https://www.spinics.net/lists/linux-iio/msg47297.html. If possible I'd
> prefer to get this in the same kernel release so let me know if
> there's anything else I can do to make that happen.
>
I mixed up my replies here. That link points to the "nxp,fxos8700"
compatible string that you brought up in your other response. The
"st,lsm9ds1-imu" compatible string is described in
Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt which was an
August commit that made it into the imx/dt branch.
> >
> > > +             reg = <0x6a>;
> > > +             st,drdy-int-pin = <1>;
> > > +             pinctrl-names = "default";
> > > +             pinctrl-0 = <&pinctrl_acc_gyro>;
> > > +             interrupt-parent = <&gpio7>;
> > > +             interrupts = <13 IRQ_TYPE_LEVEL_HIGH>;
> > > +     };
> > > +
> > > +     lsm9ds1_m@1c {
> > > +             compatible = "st,lsm9ds1-magn";
> > > +             reg = <0x1c>;
> >
> > Nodes are sorted according their i2c-addresses.
> >
> I'll resubmit with that change, thanks!
> - Bobby
>
> > Regards,
> >   Marco
> >
> > > +             pinctrl-names = "default";
> > > +             pinctrl-0 = <&pinctrl_mag>;
> > > +             interrupt-parent = <&gpio1>;
> > > +             interrupts = <2 IRQ_TYPE_EDGE_RISING>;
> > > +     };
> > > +
> > >       ltc3676: pmic@3c {
> > >               compatible = "lltc,ltc3676";
> > >               reg = <0x3c>;
> > > @@ -462,6 +481,18 @@
> > >               >;
> > >       };
> > >
> > > +     pinctrl_acc_gyro: acc_gyrogrp {
> > > +             fsl,pins = <
> > > +                     MX6QDL_PAD_GPIO_18__GPIO7_IO13          0x1b0b0
> > > +             >;
> > > +     };
> > > +
> > > +     pinctrl_mag: maggrp {
> > > +             fsl,pins = <
> > > +                     MX6QDL_PAD_GPIO_2__GPIO1_IO02           0x1b0b0
> > > +             >;
> > > +     };
> > > +
> > >       pinctrl_pps: ppsgrp {
> > >               fsl,pins = <
> > >                       MX6QDL_PAD_ENET_RXD1__GPIO1_IO26        0x1b0b1
> > > --
> > > 2.9.2
> > >
> > >
> > >
> >
> > --
> > Pengutronix e.K.                           |                             |
> > Industrial Linux Solutions                 | http://www.pengutronix.de/  |
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> > Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |



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