linux-kernel - [PATCH v8 3/7] dt-bindings: iio: accel: adxl345: add interrupt-names

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Message-Id: <20241225181338.69672-4-l.rubusch@gmail.com>
Date: Wed, 25 Dec 2024 18:13:34 +0000
From: Lothar Rubusch <l.rubusch@...il.com>
To: lars@...afoo.de,
	Michael.Hennerich@...log.com,
	jic23@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org
Cc: devicetree@...r.kernel.org,
	linux-iio@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	eraretuya@...il.com,
	l.rubusch@...il.com
Subject: [PATCH v8 3/7] dt-bindings: iio: accel: adxl345: add interrupt-names

Add interrupt-names INT1 and INT2 for the two interrupt lines of the
sensor.

When one of the two interrupt lines is connected, the interrupt as its
interrupt-name, need to be declared in the devicetree. The driver then
configures the sensor to indicate its events on either INT1 or INT2.

If no interrupt is configured, then no interrupt-name should be
configured, and vice versa. In this case the sensor runs in FIFO BYPASS
mode. This allows sensor measurements, but none of the sensor events.

Signed-off-by: Lothar Rubusch <l.rubusch@...il.com>
---
 .../devicetree/bindings/iio/accel/adi,adxl345.yaml     | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/accel/adi,adxl345.yaml b/Documentation/devicetree/bindings/iio/accel/adi,adxl345.yaml
index bc46ed00f..84d949392 100644
--- a/Documentation/devicetree/bindings/iio/accel/adi,adxl345.yaml
+++ b/Documentation/devicetree/bindings/iio/accel/adi,adxl345.yaml
@@ -37,6 +37,14 @@ properties:
   interrupts:
     maxItems: 1
 
+  interrupt-names:
+    items:
+      - enum: [INT1, INT2]
+
+dependencies:
+  interrupts: [ interrupt-names ]
+  interrupt-names: [ interrupts ]
+
 required:
   - compatible
   - reg
@@ -60,6 +68,7 @@ examples:
             reg = <0x2a>;
             interrupt-parent = <&gpio0>;
             interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+            interrupt-names = "INT1";
         };
     };
   - |
@@ -78,5 +87,6 @@ examples:
             spi-cpha;
             interrupt-parent = <&gpio0>;
             interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+            interrupt-names = "INT2";
         };
     };
-- 
2.39.5