From fa75386538e5284a2e3ec2afe0c15c0532fb54d2 Mon Sep 17 00:00:00 2001
From: Baolin Wang <baolin.wang@unisoc.com>
Date: Fri, 22 May 2020 21:31:08 +0800
Subject: [PATCH] dt-bindings: mailbox: Add the Spreadtrum mailbox
documentation
Add the Spreadtrum mailbox documentation.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Baolin Wang <baolin.wang@unisoc.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
---
.../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 00000000000000..0f7451b42d7e71
--- /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>;
+ };
+...
--
GitLab