linux-kernel - [PATCH v1 1/2] dt-bindings: iio: adc: Add binding for Nuvoton NCT720x ADCs

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Message-Id: <20241106023916.440767-2-j2anfernee@gmail.com>
Date: Wed,  6 Nov 2024 10:39:15 +0800
From: Eason Yang <j2anfernee@...il.com>
To: avifishman70@...il.com,
	tmaimon77@...il.com,
	tali.perry1@...il.com,
	venture@...gle.com,
	yuenn@...gle.com,
	benjaminfair@...gle.com,
	jic23@...nel.org,
	lars@...afoo.de,
	robh@...nel.org,
	krzk+dt@...nel.org,
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	marius.cristea@...rochip.com,
	mike.looijmans@...ic.nl,
	chanh@...amperecomputing.com,
	KWLIU@...oton.com,
	yhyang2@...oton.com
Cc: openbmc@...ts.ozlabs.org,
	linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Eason Yang <j2anfernee@...il.com>
Subject: [PATCH v1 1/2] dt-bindings: iio: adc: Add binding for Nuvoton NCT720x ADCs

This adds a binding specification for the Nuvoton NCT7201/NCT7202
family of ADCs.

Signed-off-by: Eason Yang <j2anfernee@...il.com>
---
 .../bindings/iio/adc/nuvoton,nct720x.yaml     | 47 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 2 files changed, 48 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/nuvoton,nct720x.yaml

diff --git a/Documentation/devicetree/bindings/iio/adc/nuvoton,nct720x.yaml b/Documentation/devicetree/bindings/iio/adc/nuvoton,nct720x.yaml
new file mode 100644
index 000000000000..3052039af10e
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/nuvoton,nct720x.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/nuvoton,nct720x.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Nuvoton nct7202 and similar ADCs
+
+maintainers:
+  - Eason Yang <yhyang2@...oton.com>
+
+description: |
+   Family of ADCs with i2c interface.
+
+properties:
+  compatible:
+    enum:
+      - nuvoton,nct7201
+      - nuvoton,nct7202
+
+  reg:
+    maxItems: 1
+
+  read-vin-data-size:
+    description: number of data bits per read vin
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [8, 16]
+
+required:
+  - compatible
+  - reg
+  - read-vin-data-size
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        nct7202@1d {
+            compatible = "nuvoton,nct7202";
+            reg = <0x1d>;
+            read-vin-data-size = <8>;
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index 91d0609db61b..68570c58e7aa 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2746,6 +2746,7 @@ L:	openbmc@...ts.ozlabs.org (moderated for non-subscribers)
 S:	Supported
 F:	Documentation/devicetree/bindings/*/*/*npcm*
 F:	Documentation/devicetree/bindings/*/*npcm*
+F:	Documentation/devicetree/bindings/iio/adc/nuvoton,nct720x.yaml
 F:	Documentation/devicetree/bindings/rtc/nuvoton,nct3018y.yaml
 F:	arch/arm/boot/dts/nuvoton/nuvoton-npcm*
 F:	arch/arm/mach-npcm/
-- 
2.34.1