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Subject[PATCH v5 1/2] dt-bindings: mailbox: Add the Spreadtrum mailbox documentation
Date
From: Baolin Wang <baolin.wang@unisoc.com>

Add the Spreadtrum mailbox documentation.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Baolin Wang <baolin.wang@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang7@gmail.com>
---
Changes from v4:
-None.

Changes from v3:
- None.

Changes from v2:
- Add reviewed tag from Rob.
- Remove redundant 'minItems'.

Changes from v1:
- Add 'additionalProperties'.
- Split description for each entry.
---
.../bindings/mailbox/sprd-mailbox.yaml | 60 +++++++++++++++++++
1 file changed, 60 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mailbox/sprd-mailbox.yaml

diff --git a/Documentation/devicetree/bindings/mailbox/sprd-mailbox.yaml b/Documentation/devicetree/bindings/mailbox/sprd-mailbox.yaml
new file mode 100644
index 000000000000..0f7451b42d7e
--- /dev/null
+++ b/Documentation/devicetree/bindings/mailbox/sprd-mailbox.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/mailbox/sprd-mailbox.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Spreadtrum mailbox controller bindings
+
+maintainers:
+ - Orson Zhai <orsonzhai@gmail.com>
+ - Baolin Wang <baolin.wang7@gmail.com>
+ - Chunyan Zhang <zhang.lyra@gmail.com>
+
+properties:
+ compatible:
+ enum:
+ - sprd,sc9860-mailbox
+
+ reg:
+ items:
+ - description: inbox registers' base address
+ - description: outbox registers' base address
+
+ interrupts:
+ items:
+ - description: inbox interrupt
+ - description: outbox interrupt
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ items:
+ - const: enable
+
+ "#mbox-cells":
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - "#mbox-cells"
+ - clocks
+ - clock-names
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ mailbox: mailbox@400a0000 {
+ compatible = "sprd,sc9860-mailbox";
+ reg = <0 0x400a0000 0 0x8000>, <0 0x400a8000 0 0x8000>;
+ #mbox-cells = <1>;
+ clock-names = "enable";
+ clocks = <&aon_gate 53>;
+ interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
+ };
+...
--
2.17.1
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