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 +--- +$id: http://devicetree.org/schemas/bindings/iio/addac/adi,ade9078.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices ADE9078 High Performance, Polyphase Energy Metering driver + +mainterners: + -Ciprian Hegbeli <ciprian.hegbeli@xxxxxxxxxx> + +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" + + 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 + + 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 + + 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 + + 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 { + compatible = "adi,ade9078"; + 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>; + interrupt-names = "irq0", "irq1"; + interrupt-parent = <&gpio>; + + adi,wf-cap-sel = <WF_FIXED_DATA_RATE>; + adi,wf-mode = <WFB_FULL_MODE>; + adi,wf-src = <WFB_SRC_DSP>; + adi,wf-in-en = <WFB_IN_DISABLE>; + + phase@0 { + reg = <0>; + }; + phase@1 { + reg = <4>; + }; + }; diff --git a/include/dt-bindings/iio/meter/adi,ade9078.h b/include/dt-bindings/iio/meter/adi,ade9078.h new file mode 100644 index 000000000000..85004251a36b --- /dev/null +++ b/include/dt-bindings/iio/meter/adi,ade9078.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef _DT_BINDINGS_ADI_ADE9078_H +#define _DT_BINDINGS_ADI_ADE9078_H + +#define WF_RESAMPLED_DATA 0x0 +#define WF_FIXED_DATA_RATE 0x1 + +#define WFB_FULL_MODE 0x0 +#define WFB_EN_TRIG_MODE 0x1 +#define WFB_CENTER_EN_TRIG_MODE 0x2 +#define WFB_SVAE_EN_TRIG_MODE 0x3 + +#define WFB_SRC_SINC4 0x0 +#define WFB_SRC_SINC4_IIR_LPF 0x2 +#define WFB_SRC_DSP 0x3 + +#define WFB_IN_DISABLE 0x0 +#define WFB_IN_EN 0x1 + +#endif /* _DT_BINDINGS_ADI_ADE9078_H */ -- 2.34.1
