linux-kernel - [PATCH v3 2/3] dt-bindings: timer: Add Loongson-1 clocksource

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Message-Id: <20230330110512.549704-3-keguang.zhang@gmail.com>
Date:   Thu, 30 Mar 2023 19:05:11 +0800
From:   Keguang Zhang <keguang.zhang@...il.com>
To:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-mips@...r.kernel.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>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Stephen Boyd <sboyd@...nel.org>,
        Keguang Zhang <keguang.zhang@...il.com>
Subject: [PATCH v3 2/3] dt-bindings: timer: Add Loongson-1 clocksource

Add devicetree binding document for Loongson-1 clocksource.

Signed-off-by: Keguang Zhang <keguang.zhang@...il.com>
---
V2 -> V3: None
V1 -> V2: None
---
 .../timer/loongson,ls1x-pwmtimer.yaml         | 48 +++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/timer/loongson,ls1x-pwmtimer.yaml

diff --git a/Documentation/devicetree/bindings/timer/loongson,ls1x-pwmtimer.yaml b/Documentation/devicetree/bindings/timer/loongson,ls1x-pwmtimer.yaml
new file mode 100644
index 000000000000..c4771aab8d75
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/loongson,ls1x-pwmtimer.yaml
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/loongson,ls1x-pwmtimer.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson-1 PWM timer
+
+maintainers:
+  - Keguang Zhang <keguang.zhang@...il.com>
+
+description:
+  Loongson-1 PWM timer can be used for system clock source
+  and clock event timers.
+
+properties:
+  compatible:
+    const: loongson,ls1x-pwmtimer
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/loongson,ls1x-clk.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    clocksource: timer@...5c030 {
+        compatible = "loongson,ls1x-pwmtimer";
+        reg = <0x1fe5c030 0x10>;
+
+        clocks = <&clkc LS1X_CLKID_APB>;
+        interrupt-parent = <&intc0>;
+        interrupts = <20 IRQ_TYPE_LEVEL_HIGH>;
+    };
-- 
2.34.1