linux-kernel - [PATCH v2] dt-bindings: timer: add Ralink SoCs system tick counter

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Date:   Sun, 22 Oct 2023 10:55:18 +0200
From:   Sergio Paracuellos <sergio.paracuellos@...il.com>
To:     devicetree@...r.kernel.org
Cc:     daniel.lezcano@...aro.org, tglx@...utronix.de, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        linux-kernel@...r.kernel.org, Rob Herring <robh@...nel.org>
Subject: [PATCH v2] dt-bindings: timer: add Ralink SoCs system tick counter

Add YAML doc for the system tick counter which is present on Ralink SoCs.

Reviewed-by: Rob Herring <robh@...nel.org>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@...il.com>
---
Changes in v2:
- Add Rob's Reviewed-by tag.

v1: https://lore.kernel.org/lkml/CAMhs-H_9kAdOfR-RaJWqAq6d3S3DXtKJqWy-EWCu0-ZjWKB9Sw@mail.gmail.com/T/#re9225265416ca8463c5f06d736f9834ae75efe0c

I am sending this with Rob's RB added since I ping for the v1 multiple
times without response. So I can be missing something or the patch is
lost for any reason. Thanks!

 .../bindings/timer/ralink,cevt-systick.yaml   | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/timer/ralink,cevt-systick.yaml

diff --git a/Documentation/devicetree/bindings/timer/ralink,cevt-systick.yaml b/Documentation/devicetree/bindings/timer/ralink,cevt-systick.yaml
new file mode 100644
index 000000000000..59d97feddf4e
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/ralink,cevt-systick.yaml
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/ralink,cevt-systick.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: System tick counter present in Ralink family SoCs
+
+maintainers:
+  - Sergio Paracuellos <sergio.paracuellos@...il.com>
+
+properties:
+  compatible:
+    const: ralink,cevt-systick
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    systick@d00 {
+        compatible = "ralink,cevt-systick";
+        reg = <0xd00 0x10>;
+
+        interrupt-parent = <&cpuintc>;
+        interrupts = <7>;
+    };
+...
-- 
2.25.1