linux-kernel - [PATCH v3 1/2] dt-bindings: counter: add gpio-pulse-counter binding

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Message-Id: <20210122112434.27886-2-o.rempel@pengutronix.de>
Date:   Fri, 22 Jan 2021 12:24:33 +0100
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     Rob Herring <robh+dt@...nel.org>,
        William Breathitt Gray <vilhelm.gray@...il.com>
Cc:     Oleksij Rempel <o.rempel@...gutronix.de>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        David Jander <david@...tonic.nl>,
        Robin van der Gracht <robin@...tonic.nl>,
        linux-iio@...r.kernel.org
Subject: [PATCH v3 1/2] dt-bindings: counter: add gpio-pulse-counter binding

Add binding for GPIO based pulse counter node

Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
 .../bindings/counter/gpio-pulse-counter.yaml  | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/counter/gpio-pulse-counter.yaml

diff --git a/Documentation/devicetree/bindings/counter/gpio-pulse-counter.yaml b/Documentation/devicetree/bindings/counter/gpio-pulse-counter.yaml
new file mode 100644
index 000000000000..dfa93956f15c
--- /dev/null
+++ b/Documentation/devicetree/bindings/counter/gpio-pulse-counter.yaml
@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/counter/gpio-pulse-counter.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: GPIO base pulse counter
+
+maintainers:
+  - Oleksij Rempel <o.rempel@...gutronix.de>
+
+properties:
+  compatible:
+    const: virtual,gpio-pulse-counter
+
+  gpios:
+    maxItems: 1
+
+required:
+  - gpios
+
+additionalProperties: false
+
+examples:
+  - |
+
+    #include <dt-bindings/gpio/gpio.h>
+
+    counter-0 {
+        compatible = "virtual,gpio-pulse-counter";
+        gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
+    };
+
+    counter-1 {
+        compatible = "virtual,gpio-pulse-counter";
+        gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
+    };
+
+...
-- 
2.30.0