linux-kernel - [PATCH v5 05/11] dt-bindings: timer: Add HPE GXP Timer Binding

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Date:   Thu, 21 Apr 2022 14:21:26 -0500
From:   nick.hawkins@....com
To:     verdun@....com, nick.hawkins@....com, joel@....id.au,
        arnd@...db.de, openbmc@...ts.ozlabs.org
Cc:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH v5 05/11] 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 timers on the SoC we are only
enabling one at this time.

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

---
v5:
* Fix versioning
* Fixed typo time -> timer
v4:
* Made watchdog a child of timer
* Added reference clock
v3:
* Removed maintainer change from patch
* Verified there was no compilation errors
* Added reference code in separate patch of patchset
v2:
* Converted from txt to yaml
---
 .../bindings/timer/hpe,gxp-timer.yaml         | 49 +++++++++++++++++++
 1 file changed, 49 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..a4572be8d89a
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/hpe,gxp-timer.yaml
@@ -0,0 +1,49 @@
+# 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:
+    items:
+      - const: hpe,gxp-timer
+      - const: simple-mfd
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: iopclk
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+additionalProperties: true
+
+examples:
+  - |
+    timer0: timer@...00000 {
+        compatible = "hpe,gxp-timer","simple-mfd";
+        reg = <0x80 0x16>;
+        interrupts = <0>;
+        interrupt-parent = <&vic0>;
+        clocks = <&iopclk>;
+        clock-names = "iopclk";
+    };
-- 
2.17.1