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Message-ID: <20250506022301.2588282-1-robh@kernel.org>
Date: Mon, 5 May 2025 21:23:00 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Daniel Lezcano <daniel.lezcano@...aro.org>,
Thomas Gleixner <tglx@...utronix.de>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Andrew Lunn <andrew@...n.ch>,
Gregory Clement <gregory.clement@...tlin.com>
Cc: linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org
Subject: [PATCH] dt-bindings: timer: Convert marvell,armada-370-timer to DT schema
Convert the Marvell Armada 37x/380/XP Timer binding to DT schema format.
Update the compatible entries to match what is in use.
"marvell,armada-380-timer" in particular was missing.
Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
---
.../timer/marvell,armada-370-timer.yaml | 88 +++++++++++++++++++
.../timer/marvell,armada-370-xp-timer.txt | 44 ----------
2 files changed, 88 insertions(+), 44 deletions(-)
create mode 100644 Documentation/devicetree/bindings/timer/marvell,armada-370-timer.yaml
delete mode 100644 Documentation/devicetree/bindings/timer/marvell,armada-370-xp-timer.txt
diff --git a/Documentation/devicetree/bindings/timer/marvell,armada-370-timer.yaml b/Documentation/devicetree/bindings/timer/marvell,armada-370-timer.yaml
new file mode 100644
index 000000000000..bc0677fe86eb
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/marvell,armada-370-timer.yaml
@@ -0,0 +1,88 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/marvell,armada-370-timer.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Marvell Armada 370, 375, 380 and XP Timers
+
+maintainers:
+ - Andrew Lunn <andrew@...n.ch>
+ - Gregory Clement <gregory.clement@...tlin.com>
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - const: marvell,armada-380-timer
+ - const: marvell,armada-xp-timer
+ - items:
+ - const: marvell,armada-375-timer
+ - const: marvell,armada-370-timer
+ - enum:
+ - marvell,armada-370-timer
+ - marvell,armada-xp-timer
+
+ reg:
+ items:
+ - description: Global timer registers
+ - description: Local/private timer registers
+
+ interrupts:
+ items:
+ - description: Global timer interrupt 0
+ - description: Global timer interrupt 1
+ - description: Global timer interrupt 2
+ - description: Global timer interrupt 3
+ - description: First private timer interrupt
+ - description: Second private timer interrupt
+
+ clocks:
+ minItems: 1
+ maxItems: 2
+
+ clock-names:
+ items:
+ - const: nbclk
+ - const: fixed
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+
+additionalProperties: false
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - marvell,armada-375-timer
+ - marvell,armada-xp-timer
+ then:
+ properties:
+ clocks:
+ minItems: 2
+ clock-names:
+ minItems: 2
+ required:
+ - clock-names
+ else:
+ properties:
+ clocks:
+ maxItems: 1
+ clock-names:
+ maxItems: 1
+
+examples:
+ - |
+ timer@...00 {
+ compatible = "marvell,armada-xp-timer";
+ reg = <0x20300 0x30>, <0x21040 0x30>;
+ interrupts = <37>, <38>, <39>, <40>, <5>, <6>;
+ clocks = <&coreclk 2>, <&refclk>;
+ clock-names = "nbclk", "fixed";
+ };
diff --git a/Documentation/devicetree/bindings/timer/marvell,armada-370-xp-timer.txt b/Documentation/devicetree/bindings/timer/marvell,armada-370-xp-timer.txt
deleted file mode 100644
index e9c78ce880e6..000000000000
--- a/Documentation/devicetree/bindings/timer/marvell,armada-370-xp-timer.txt
+++ /dev/null
@@ -1,44 +0,0 @@
-Marvell Armada 370 and Armada XP Timers
----------------------------------------
-
-Required properties:
-- compatible: Should be one of the following
- "marvell,armada-370-timer",
- "marvell,armada-375-timer",
- "marvell,armada-xp-timer".
-- interrupts: Should contain the list of Global Timer interrupts and
- then local timer interrupts
-- reg: Should contain location and length for timers register. First
- pair for the Global Timer registers, second pair for the
- local/private timers.
-
-Clocks required for compatible = "marvell,armada-370-timer":
-- clocks : Must contain a single entry describing the clock input
-
-Clocks required for compatibles = "marvell,armada-xp-timer",
- "marvell,armada-375-timer":
-- clocks : Must contain an entry for each entry in clock-names.
-- clock-names : Must include the following entries:
- "nbclk" (L2/coherency fabric clock),
- "fixed" (Reference 25 MHz fixed-clock).
-
-Examples:
-
-- Armada 370:
-
- timer {
- compatible = "marvell,armada-370-timer";
- reg = <0x20300 0x30>, <0x21040 0x30>;
- interrupts = <37>, <38>, <39>, <40>, <5>, <6>;
- clocks = <&coreclk 2>;
- };
-
-- Armada XP:
-
- timer {
- compatible = "marvell,armada-xp-timer";
- reg = <0x20300 0x30>, <0x21040 0x30>;
- interrupts = <37>, <38>, <39>, <40>, <5>, <6>;
- clocks = <&coreclk 2>, <&refclk>;
- clock-names = "nbclk", "fixed";
- };
--
2.47.2
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