linux-kernel - [PATCH v2] dt-bindings: iio: adc: Add TI TWL603X GPADC

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Message-Id: <20230820123229.530371-1-andreas@kemnade.info>
Date:   Sun, 20 Aug 2023 14:32:29 +0200
From:   Andreas Kemnade <andreas@...nade.info>
To:     jic23@...nel.org, lars@...afoo.de, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org
Cc:     Andreas Kemnade <andreas@...nade.info>
Subject: [PATCH v2] dt-bindings: iio: adc: Add TI TWL603X GPADC

Document TI TWL603X GPADC devicetree bindings.
A driver is already there, the compatibles are used, but not documented.

Signed-off-by: Andreas Kemnade <andreas@...nade.info>
---
 .../bindings/iio/adc/ti,twl6030-gpadc.yaml    | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/ti,twl6030-gpadc.yaml

diff --git a/Documentation/devicetree/bindings/iio/adc/ti,twl6030-gpadc.yaml b/Documentation/devicetree/bindings/iio/adc/ti,twl6030-gpadc.yaml
new file mode 100644
index 000000000000..5b075237bcfd
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/ti,twl6030-gpadc.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/ti,twl6030-gpadc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: GPADC subsystem in the TWL6030 power module
+
+maintainers:
+  - Andreas Kemnade <andreas@...nade.info>
+
+description:
+  The GPADC subsystem in the TWL603X consists of a 10-bit ADC
+  combined with a 15-input analog multiplexer in the TWL6030 resp. a
+  19-input analog muliplexer in the TWL6032.
+
+properties:
+  compatible:
+    enum:
+      - ti,twl6030-gpadc
+      - ti,twl6032-gpadc
+
+  interrupts:
+    maxItems: 1
+
+  "#io-channel-cells":
+    const: 1
+
+required:
+  - compatible
+  - interrupts
+  - "#io-channel-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    twl {
+        gpadc {
+            compatible = "ti,twl6030-gpadc";
+            interrupts = <3>;
+            #io-channel-cells = <1>;
+        };
+    };
+...
-- 
2.39.2