On 17/02/2022 14:51, chegbeli wrote: > Added device tree bindings for the ADE9078 > > Signed-off-by: chegbeli <ciprian.hegbeli@xxxxxxxxxx> > --- > .../bindings/iio/meter/adi,ade9078.yaml | 153 ++++++++++++++++++ > include/dt-bindings/iio/meter/adi,ade9078.h | 21 +++ > 2 files changed, 174 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/meter/adi,ade9078.yaml > create mode 100644 include/dt-bindings/iio/meter/adi,ade9078.h > > diff --git a/Documentation/devicetree/bindings/iio/meter/adi,ade9078.yaml b/Documentation/devicetree/bindings/iio/meter/adi,ade9078.yaml > new file mode 100644 > index 000000000000..e27d52e06e32 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/meter/adi,ade9078.yaml > @@ -0,0 +1,153 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +# Copyright 2021 Analog Devices Inc. > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/bindings/iio/addac/adi,ade9078.yaml# Did you test your schema with dt_binding_check? This should fail. > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Analog Devices ADE9078 High Performance, Polyphase Energy Metering driver > + > +mainterners: > + -Ciprian Hegbeli <ciprian.hegbeli@xxxxxxxxxx> Space after '-'. > + > +description: | > + The ADE9078 1 is a highly accurate, fully integrated energy > + metering device. Interfacing with both current transformer > + (CT) and Rogowski coil sensors, the ADE9078 enables users to > + develop a 3-phase metrology platform, which achieves high > + performance for Class 1 up to Class 0.2 meters. > + > +properties: > + compatible: > + enum: > + - adi,ade9078 > + > + reg: > + maxItems: 1 > + > + '#address-cells': > + const: 1 > + > + '#size-cells': > + const: 0 > + > + spi-max-frequency: > + maximum: 1000000 > + > + interrupts: > + maxItems: 2 > + > + reset-gpios: > + description: | > + Must be the device tree identifier of the RESET pin. As the line is > + active low, it should be marked GPIO_ACTIVE_LOW. > + maxItems: 1 > + > + interrupt-names: > + description: | > + Names to be attributed to the interrupts of the device. Should be "irq0" > + or "irq1" Skip description but instead list items ( - const: irq0 ...) > + > + adi,wf-cap-sel: > + description: | > + This bit selects whether the waveform buffer is filled with resampled > + data or fixed data rate data > + 0 - WF_RESAMPLED_DATA > + 1 - WF_FIXED_DATA_RATE > + maxItems: 1 > + minimum: 0 > + maximum: 1 1. You need a type definition. 2. This looks like bool. 3. maxItems seems wrong here. 4. Do not describe registers and their bits but a feature of the device. This applies to fields below as well. > + > + adi,wf-mode: > + description: | > + Fixed data rate waveforms filling and trigger based modes. > + 0 - WFB_FULL_MODE (Stop when waveform buffer is full) > + 1 - WFB_EN_TRIG_MODE (Continuous fill—stop only on enabled trigger events) > + 2 - WFB_CENTER_EN_TRIG_MODE (Continuous filling—center capture around enabled trigger events) > + 3 - WFB_SVAE_EN_TRIG_MODE (Continuous fill—save event address of enabled trigger events) > + maxItems: 1 > + minimum: 0 > + maximum: 3 Everything above + this looks like an enum, so use enum, instead of min/max. > + > + adi,wf-src: > + description: | > + Waveform buffer source and DREADY, data ready update rate, selection. > + 0 - WFB_SRC_SINC4 (Sinc4 output, at 16 kSPS) > + 1 - Reserved > + 2 - WFB_SRC_SINC4_IIR_LPF (Sinc4 + IIR LPF output, at 4 kSPS) > + 3 - WFB_SRC_DSP (Current and voltage channel waveform samples,processed by the DSP > + (xI_PCF, xV_PCF) at 4 kSPS) > + maxItems: 1 > + minimum: 0 > + maximum: 3 > + > + adi,wf-in-en: > + description: | > + This setting determines whether the IN waveform samples are read out of > + the waveform buffer through SPI. > + 0 - WFB_IN_DISABLE > + 1 - WFB_IN_EN > + maxItems: 1 > + minimum: 0 > + maximum: 1 Also bool. > + > + required: > + - compatible > + - reg > + - reset-gpios > + - interrupts > + - interrupt-names > + - adi,wf-cap-sel > + - adi,wf-mode > + - adi,wf-src > + - adi,wf-in-en > + > +patternProperties: > + "^phase@[0-3]$": > + type: object > + description: | > + Represents the external phases which are externally connected. Each phase > + has a current, voltage and power component > + > + properties: > + reg: > + description: | > + The phase represented by a number > + 0 - Phase A > + 1 - unused > + 2 - Phase B > + 3 - unused > + 4 - Phase C > + maxItems: 1 > + minimum: 0 > + maximum: 4 > + > + required: > + - reg > + > +examples: > + - | > + ade9078@0 { Generic node name. Please pick something appropriate. Maybe "meter"? > + compatible = "adi,ade9078"; You have entirely broken indentation here. Use four spaces for DTS example. > + reg = <0>; > + spi-max-frequency = <7000000>; > + > + #address-cells = <1>; > + #size-cells = <0>; > + reset-gpios = <&gpio 4 GPIO_ACTIVE_LOW>; > + interrupts = <2 IRQ_TYPE_EDGE_FALLING>, <3 IRQ_TYPE_EDGE_FALLING>; You clearly did not test it... this won't work without headers. > + interrupt-names = "irq0", "irq1"; > + interrupt-parent = <&gpio>; Best regards, Krzysztof