[PATCH 1/2] arm64: dts: fsl-ls1012a-rdb: add i2c devices
Paweł Dembicki
paweldembicki at gmail.com
Mon Jan 18 05:08:11 EST 2021
On 18.01.2021 at 08:36 Shawn Guo <shawnguo at kernel.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 at gmail.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 at 1e {
> > + compatible = "nxp,fxos8700";
> > + reg = <0x1e>;
> > + interrupt-parent = <&gpio26>;
> > + interrupts = <13 IRQ_TYPE_EDGE_RISING>;
> > + interrupt-names = "INT1";
> > + };
> > +
> > + gyroscope at 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 at 24 {
> > + compatible = "nxp,pcal9555a";
> > + reg = <0x24>;
> > + gpio-controller;
> > + #gpio-cells = <2>;
> > + };
> > +
> > + gpio at 25 {
> > + compatible = "nxp,pcal9555a";
> > + reg = <0x25>;
> > + gpio-controller;
> > + #gpio-cells = <2>;
> > + };
> > +
> > + gpio26: gpio at 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 at 40 {
> > + compatible = "ti,ina220";
> > + reg = <0x40>;
> > + shunt-resistor = <2000>;
> > + };
> > };
> >
> > &qspi {
> > --
> > 2.25.1
> >
More information about the linux-arm-kernel
mailing list