On Mon, 16 Mar 2020 13:53:12 +0100 Nuno Sá <nuno.sa@xxxxxxxxxx> wrote: > Document the ADIS16475 device devicetree bindings. > > Signed-off-by: Nuno Sá <nuno.sa@xxxxxxxxxx> Hmm. A bit fiddly so definitely want a review from Rob. Thanks, Jonathan > --- > Changes in v2: > * Remove burst32 property; > * Rename clk-mode to adi,sync-mode; > * Remove clock-names; > * Add conditionals to state that clocks is only needed depending on adi,sync-mode property > > .../bindings/iio/imu/adi,adis16475.yaml | 146 ++++++++++++++++++ > MAINTAINERS | 1 + > 2 files changed, 147 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/imu/adi,adis16475.yaml > > diff --git a/Documentation/devicetree/bindings/iio/imu/adi,adis16475.yaml b/Documentation/devicetree/bindings/iio/imu/adi,adis16475.yaml > new file mode 100644 > index 000000000000..9eeb42773edd > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/imu/adi,adis16475.yaml > @@ -0,0 +1,146 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/iio/imu/adi,adis16475.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Analog Devices ADIS16475 and similar IMUs > + > +maintainers: > + - Nuno Sá <nuno.sa@xxxxxxxxxx> > + > +description: | > + Analog Devices ADIS16475 and similar IMUs > + https://www.analog.com/media/en/technical-documentation/data-sheets/ADIS16475.pdf > + > +properties: > + compatible: > + enum: > + - adi,adis16475-1 > + - adi,adis16475-2 > + - adi,adis16475-3 > + - adi,adis16477-1 > + - adi,adis16477-2 > + - adi,adis16477-3 > + - adi,adis16470 > + - adi,adis16465-1 > + - adi,adis16465-2 > + - adi,adis16465-3 > + - adi,adis16467-1 > + - adi,adis16467-2 > + - adi,adis16467-3 > + - adi,adis16500 > + - adi,adis16505-1 > + - adi,adis16505-2 > + - adi,adis16505-3 > + - adi,adis16507-1 > + - adi,adis16507-2 > + - adi,adis16507-3 > + > + reg: > + maxItems: 1 > + > + spi-cpha: true > + > + spi-cpol: true > + > + spi-max-frequency: > + maximum: 2000000 > + > + interrupts: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > + reset-gpios: > + description: > + Must be the device tree identifier of the RESET pin. If specified, > + it will be asserted during driver probe. As the line is active low, > + it should be marked GPIO_ACTIVE_LOW. > + maxItems: 1 > + > + adi,sync-mode: > + description: > + Configures the device SYNC pin. The following modes are supported > + 0 - output_sync > + 1 - direct_sync > + 2 - scaled_sync > + 3 - pulse_sync > + allOf: > + - $ref: /schemas/types.yaml#/definitions/uint32 > + minimum: 0 > + maximum: 3 > + > + adi,scaled-output-hz: > + description: > + This property must be present if the clock mode is scaled-sync through > + clock-names property. In this mode, the input clock can have a range > + of 1Hz to 128HZ which must be scaled to originate an allowable sample > + rate. This property specifies that rate. > + minimum: 1900 > + maximum: 2100 > + > +required: > + - compatible > + - reg > + - interrupts > + - spi-cpha > + - spi-cpol > + > +if: > + properties: > + compatible: > + contains: > + enum: > + - adi,adis16500 > + - adi,adis16505-1 > + - adi,adis16505-2 > + - adi,adis16505-3 > + - adi,adis16507-1 > + - adi,adis16507-2 > + - adi,adis16507-3 > + > +then: > + properties: > + adi,sync-mode: > + minimum: 0 > + maximum: 2 > + > + if: > + properties: > + adi,sync-mode: > + enum: [1, 2] > + > + then: > + dependencies: > + adi,sync-mode: [ clocks ] > + > +else: > + if: > + properties: > + adi,sync-mode: > + enum: [1, 2, 3] > + > + then: > + dependencies: > + adi,sync-mode: [ clocks ] > + > +examples: > + - | > + #include <dt-bindings/interrupt-controller/irq.h> > + spi { > + #address-cells = <1>; > + #size-cells = <0>; > + > + adis16475: adis16475-3@0 { Generic name for nodes. imu I guess here. > + compatible = "adi,adis16475-3"; > + reg = <0>; > + spi-cpha; > + spi-cpol; > + spi-max-frequency = <2000000>; > + interrupts = <4 IRQ_TYPE_EDGE_RISING>; > + interrupt-parent = <&gpio>; > + }; > + }; > +... > diff --git a/MAINTAINERS b/MAINTAINERS > index f11262f1f3bb..f8ccc92ab378 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -1015,6 +1015,7 @@ W: http://ez.analog.com/community/linux-device-drivers > S: Supported > F: drivers/iio/imu/adis16475.c > F: Documentation/ABI/testing/sysfs-bus-iio-imu-adis16475 > +F: Documentation/devicetree/bindings/iio/imu/adi,adis16475.yaml > > ANALOG DEVICES INC ADM1177 DRIVER > M: Beniamin Bia <beniamin.bia@xxxxxxxxxx>
