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

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Message-Id: <20230816202614.324457-1-andreas@kemnade.info>
Date:   Wed, 16 Aug 2023 22:26:14 +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,
        andreas@...nade.info, linux-iio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-omap@...r.kernel.org
Subject: [PATCH] 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.
Use two separate files to reference only the allowed compatible in
a future YAML version of
Documentation/devicetree/bindings/mfd/twl-family.txt

Signed-off-by: Andreas Kemnade <andreas@...nade.info>
---
 .../bindings/iio/adc/ti,twl6030-gpadc.yaml    | 42 +++++++++++++++++++
 .../bindings/iio/adc/ti,twl6032-gpadc.yaml    | 42 +++++++++++++++++++
 2 files changed, 84 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/ti,twl6030-gpadc.yaml
 create mode 100644 Documentation/devicetree/bindings/iio/adc/ti,twl6032-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..08bc0468f616
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/ti,twl6030-gpadc.yaml
@@ -0,0 +1,42 @@
+# 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:
+  - Jonathan Cameron <jic23@...nel.org>
+
+description:
+  The GPADC subsystem in the TWL6030 consists of a 10-bit ADC
+  combined with a 15-input analog multiplexer.
+
+properties:
+  compatible:
+    const: ti,twl6030-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>;
+        };
+    };
+...
diff --git a/Documentation/devicetree/bindings/iio/adc/ti,twl6032-gpadc.yaml b/Documentation/devicetree/bindings/iio/adc/ti,twl6032-gpadc.yaml
new file mode 100644
index 000000000000..70acec533277
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/ti,twl6032-gpadc.yaml
@@ -0,0 +1,42 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/ti,twl6032-gpadc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: GPADC subsystem in the TWL6032 power module
+
+maintainers:
+  - Jonathan Cameron <jic23@...nel.org>
+
+description:
+  The GPADC subsystem in the TWL6032 consists of a 10-bit ADC
+  combined with a 19-input analog multiplexer.
+
+properties:
+  compatible:
+    const: ti,twl6032-gpadc
+
+  interrupts:
+    maxItems: 1
+
+  "#io-channel-cells":
+    const: 1
+
+required:
+  - compatible
+  - interrupts
+  - "#io-channel-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    twl {
+        gpadc {
+            compatible = "ti,twl6032-gpadc";
+            interrupts = <3>;
+            #io-channel-cells = <1>;
+        };
+    };
+...
-- 
2.39.2