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Date: Thu, 17 Feb 2022 15:51:39 +0200
From: chegbeli <ciprian.hegbeli@...log.com>
To: <jic23@...nel.org>, <robh+dt@...nel.org>,
<linux-iio@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
CC: chegbeli <ciprian.hegbeli@...log.com>
Subject: [PATCH 2/3] dt-bindings: iio: add ADE9078
Added device tree bindings for the ADE9078
Signed-off-by: chegbeli <ciprian.hegbeli@...log.com>
---
.../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@...log.com>
+
+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
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