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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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