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Message-ID: <20240710043524.1535151-6-chris.packham@alliedtelesis.co.nz>
Date: Wed, 10 Jul 2024 16:35:19 +1200
From: Chris Packham <chris.packham@...iedtelesis.co.nz>
To: tglx@...utronix.de,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	tsbogend@...ha.franken.de,
	daniel.lezcano@...aro.org,
	paulburton@...nel.org,
	peterz@...radead.org,
	mail@...ger-koblitz.de,
	bert@...t.com,
	john@...ozen.org,
	sander@...nheule.net
Cc: linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-mips@...r.kernel.org,
	kabel@...nel.org,
	ericwouds@...il.com,
	Chris Packham <chris.packham@...iedtelesis.co.nz>
Subject: [PATCH v5 05/10] dt-bindings: timer: Add schema for realtek,otto-timer

Add the devicetree schema for the realtek,otto-timer present on a number
of Realtek SoCs.

Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---

Notes:
    Changes in v5:
    - None
    Changes in v4:
    - Add r-by from Krzysztof
    Changes in v3:
    - Use items to describe regs and interrupt properties
    - Remove minItems condition
    Changes in v2:
    - Use specific compatible (rtl9302-timer instead of rtl930x-timer)
    - Remove unnecessary label
    - Remove unused irq flags (interrupt controller is one-cell)
    - Set minItems for reg and interrupts based on compatible

 .../bindings/timer/realtek,otto-timer.yaml    | 63 +++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/timer/realtek,otto-timer.yaml

diff --git a/Documentation/devicetree/bindings/timer/realtek,otto-timer.yaml b/Documentation/devicetree/bindings/timer/realtek,otto-timer.yaml
new file mode 100644
index 000000000000..7b6ec2c69484
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/realtek,otto-timer.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/realtek,otto-timer.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Realtek Otto SoCs Timer/Counter
+
+description:
+  Realtek SoCs support a number of timers/counters. These are used
+  as a per CPU clock event generator and an overall CPU clocksource.
+
+maintainers:
+  - Chris Packham <chris.packham@...iedtelesis.co.nz>
+
+properties:
+  $nodename:
+    pattern: "^timer@[0-9a-f]+$"
+
+  compatible:
+    items:
+      - enum:
+          - realtek,rtl9302-timer
+      - const: realtek,otto-timer
+
+  reg:
+    items:
+      - description: timer0 registers
+      - description: timer1 registers
+      - description: timer2 registers
+      - description: timer3 registers
+      - description: timer4 registers
+
+  clocks:
+    maxItems: 1
+
+  interrupts:
+    items:
+      - description: timer0 interrupt
+      - description: timer1 interrupt
+      - description: timer2 interrupt
+      - description: timer3 interrupt
+      - description: timer4 interrupt
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    timer@...0 {
+      compatible = "realtek,rtl9302-timer", "realtek,otto-timer";
+      reg = <0x3200 0x10>, <0x3210 0x10>, <0x3220 0x10>,
+            <0x3230 0x10>, <0x3240 0x10>;
+
+      interrupt-parent = <&intc>;
+      interrupts = <7>, <8>, <9>, <10>, <11>;
+      clocks = <&lx_clk>;
+    };
-- 
2.45.2


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