linux-kernel - [PATCH] dt-bindings: iio: adc: ad7923: Add dt-bindings for AD7928

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Date:   Tue,  4 Feb 2020 21:21:21 -0300
From:   Daniel Junho <djunho@...il.com>
To:     jic23@...nel.org, knaack.h@....de, lars@...afoo.de,
        pmeerw@...erw.net, robh+dt@...nel.org, mark.rutland@....com,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, lkcamp@...ts.libreplanetbr.org,
        hennerich@...ckfin.uclinux.org, patrick.vasseur@....fr
Subject: [PATCH] dt-bindings: iio: adc: ad7923: Add dt-bindings for AD7928

From: Daniel Junho <djunho@...il.com>

Add device tree bindings documentation for AD7923 adc in YAML format.

Tested with:
make ARCH=arm dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/iio/adc/adi,ad7923.yaml
make ARCH=arm dtbs_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/iio/adc/adi,ad7923.yaml

Signed-off-by: Daniel Junho <djunho@...il.com>
---

Hi,

I got maintainers from the driver authors list. Let me know if this is
fine.

Thanks.

 .../bindings/iio/adc/adi,ad7923.yaml          | 65 +++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad7923.yaml

diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7923.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7923.yaml
new file mode 100644
index 000000000000..8097441c97be
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7923.yaml
@@ -0,0 +1,65 @@
+# SPDX-License-Identifier: GPL-2.0-only
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/adi,ad7923.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices AD7923 and similars with 4 and 8 Channel ADCs.
+
+maintainers:
+  - Michael Hennerich <hennerich@...ckfin.uclinux.org>"
+  - Patrick Vasseur <patrick.vasseur@....fr>"
+
+description: |
+  Analog Devices AD7904, AD7914, AD7923, AD7924 4 Channel ADCs, and AD7908,
+   AD7918, AD7928 8 Channels ADCs.
+
+  Specifications about the part can be found at:
+    https://www.analog.com/media/en/technical-documentation/data-sheets/AD7923.pdf
+    https://www.analog.com/media/en/technical-documentation/data-sheets/AD7904_7914_7924.pdf
+    https://www.analog.com/media/en/technical-documentation/data-sheets/AD7908_7918_7928.pdf
+
+properties:
+  compatible:
+    enum:
+      - adi,ad7904
+      - adi,ad7914
+      - adi,ad7923
+      - adi,ad7924
+      - adi,ad7908
+      - adi,ad7918
+      - adi,ad7928
+
+  reg:
+    maxItems: 1
+
+  refin-supply:
+    description: |
+      The regulator supply for ADC reference voltage.
+
+  '#address-cells':
+    const: 1
+
+  '#size-cells':
+    const: 0
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    spi {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      ad7928: adc@0 {
+        compatible = "adi,ad7928";
+        reg = <0>;
+        spi-max-frequency = <25000000>;
+        refin-supply = <&adc_vref>;
+
+        #address-cells = <1>;
+        #size-cells = <0>;
+      };
+    };
-- 
2.25.0