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Date:   Wed,  1 Jul 2020 01:15:52 +0800
From:   周琰杰 (Zhou Yanjie) 
        <zhouyanjie@...yeetech.com>
To:     linux-kernel@...r.kernel.org
Cc:     devicetree@...r.kernel.org, daniel.lezcano@...aro.org,
        tglx@...utronix.de, robh+dt@...nel.org, paul@...pouillou.net,
        dongsheng.qiu@...enic.com, aric.pzqi@...enic.com,
        rick.tyliu@...enic.com, yanfei.li@...enic.com,
        sernia.zhou@...mail.com, zhenwenjin@...il.com
Subject: [PATCH v3 1/2] dt-bindings: timer: Add Ingenic X1000 OST bindings.

Add the OST bindings for the X10000 SoC from Ingenic.

Tested-by: 周正 (Zhou Zheng) <sernia.zhou@...mail.com>
Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@...yeetech.com>
---

Notes:
    v1->v2:
    No change.
    
    v2->v3:
    Fix wrong parameters in "clocks".

 .../devicetree/bindings/timer/ingenic,ost.yaml     | 61 ++++++++++++++++++++++
 include/dt-bindings/clock/ingenic,ost.h            | 12 +++++
 2 files changed, 73 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/timer/ingenic,ost.yaml
 create mode 100644 include/dt-bindings/clock/ingenic,ost.h

diff --git a/Documentation/devicetree/bindings/timer/ingenic,ost.yaml b/Documentation/devicetree/bindings/timer/ingenic,ost.yaml
new file mode 100644
index 000000000000..459dd3d161c2
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/ingenic,ost.yaml
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/ingenic,ost.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Bindings for SYSOST in Ingenic XBurst family SoCs
+
+maintainers:
+  - 周琰杰 (Zhou Yanjie) <zhouyanjie@...yeetech.com>
+
+description:
+  The SYSOST in an Ingenic SoC provides one 64bit timer for clocksource
+  and one or more than one 32bit timers for clockevent.
+
+properties:
+  compatible:
+    oneOf:
+
+      - description: SYSOST in Ingenic XBurst family SoCs
+        enum:
+          - ingenic,x1000-ost
+          - ingenic,x2000-ost
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: ost
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - "#clock-cells"
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - interrupts
+
+examples:
+  - |
+    #include <dt-bindings/clock/x1000-cgu.h>
+
+    ost: timer@...00000 {
+    		compatible = "ingenic,x1000-ost";
+    		reg = <0x12000000 0x3c>;
+
+    		#clock-cells = <1>;
+
+    		clocks = <&cgu X1000_CLK_OST>;
+    		clock-names = "ost";
+
+    		interrupt-parent = <&cpuintc>;
+    		interrupts = <3>;
+    	};
+...
diff --git a/include/dt-bindings/clock/ingenic,ost.h b/include/dt-bindings/clock/ingenic,ost.h
new file mode 100644
index 000000000000..9ac88e90babf
--- /dev/null
+++ b/include/dt-bindings/clock/ingenic,ost.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * This header provides clock numbers for the ingenic,tcu DT binding.
+ */
+
+#ifndef __DT_BINDINGS_CLOCK_INGENIC_OST_H__
+#define __DT_BINDINGS_CLOCK_INGENIC_OST_H__
+
+#define OST_CLK_PERCPU_TIMER	0
+#define OST_CLK_GLOBAL_TIMER	1
+
+#endif /* __DT_BINDINGS_CLOCK_INGENIC_OST_H__ */
-- 
2.11.0

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