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From: Nikolay Borisov <nborisov@suse.com>
To: mripard@kernel.org, bjorn.andersson@linaro.org
Cc: devicetree@vger.kernel.org, wens@csie.org, robh+dt@kernel.org,
 linux-arm-kernel@lists.infradead.org, Nikolay Borisov <nborisov@suse.com>
Subject: [PATCH v2 3/3] dt-bindings: hwlock: Document A64 hwspinlock bindings
Date: Tue, 11 Feb 2020 14:26:24 +0200
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Add binding for the hwspinlock found on Allwinner A64 SoC.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
---
 .../allwinner,sun50i-a64-hwspinlock.yaml      | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwlock/allwinner,sun50i-a64-hwspinlock.yaml

diff --git a/Documentation/devicetree/bindings/hwlock/allwinner,sun50i-a64-hwspinlock.yaml b/Documentation/devicetree/bindings/hwlock/allwinner,sun50i-a64-hwspinlock.yaml
new file mode 100644
index 000000000000..46bfff2541d6
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwlock/allwinner,sun50i-a64-hwspinlock.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwlock/allwinner,sun50i-a64-hwspinlock.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner A64 SoC Hardware Spinlock bindings
+
+maintainers:
+  - Nikolay Borisov <nborisov@suse.com>
+
+properties:
+  "#hwlock-cells":
+    const: 1
+
+  compatible:
+    const: allwinner,sun50i-a64-hwspinlock
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+required:
+  - "#hwlock-cells"
+  - compatible
+  - reg
+  - clocks
+  - resets
+
+additionalProperties: false
+
+examples:
+  - |
+    hwspinlock@1c18000 {
+        compatible = "allwinner,sun50i-a64-hwspinlock";
+        #hwlock-cells = <1>;
+        reg = <0x01c18000 0x1000>;
+        clocks = <&ccu CLK_BUS_SPINLOCK>;
+        resets = <&ccu RST_BUS_SPINLOCK>;
+    };
+
+...