linux-kernel - [PATCH v3 05/10] dt-bindings: timer: Add HPE GXP Timer Binding

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Message-Id: <20220310195229.109477-5-nick.hawkins@hpe.com>
Date:   Thu, 10 Mar 2022 13:52:24 -0600
From:   nick.hawkins@....com
To:     verdun@....com
Cc:     Nick Hawkins <nick.hawkins@....com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Rob Herring <robh+dt@...nel.org>, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: [PATCH v3 05/10] dt-bindings: timer: Add HPE GXP Timer Binding

From: Nick Hawkins <nick.hawkins@....com>

Creating binding for gxp timer in device tree hpe,gxp-timer
Although there are multiple times on the SoC we are only
enabling one at this time.

Signed-off-by: Nick Hawkins <nick.hawkins@....com>

----

v2:
 *Removed maintainer change from patch
 *Verified there was no compilation errors
 *Added reference code in separate patch of patchset
---
 .../bindings/timer/hpe,gxp-timer.yaml         | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/timer/hpe,gxp-timer.yaml

diff --git a/Documentation/devicetree/bindings/timer/hpe,gxp-timer.yaml b/Documentation/devicetree/bindings/timer/hpe,gxp-timer.yaml
new file mode 100644
index 000000000000..1f4e345c5fb8
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/hpe,gxp-timer.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/hpe,gxp-timer.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: HPE GXP TIMER
+
+maintainers:
+  - Nick Hawkins <nick.hawkins@....com>
+  - Jean-Marie Verdun <verdun@....com>
+
+properties:
+  compatible:
+    const: hpe,gxp-timer
+
+  reg:
+    items:
+      - description: T0CNT register
+      - description: T0CS register
+      - description: TIMELO register
+
+  interrupts:
+    maxItems: 1
+
+  clock-frequency:
+    description: The frequency of the clock that drives the counter, in Hz.
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clock-frequency
+
+additionalProperties: false
+
+examples:
+  - |
+    timer@...03000 {
+        compatible = "hpe,gxp-timer";
+        reg = <0xc0000080 0x1>, <0xc0000094 0x01>, <0xc0000088 0x08>;
+        interrupts = <0>;
+        interrupt-parent = <&vic0>;
+        clock-frequency = <400000000>;
+    };
-- 
2.17.1