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Message-Id: <20230211205102.9218-1-avolmat@me.com>
Date: Sat, 11 Feb 2023 21:51:01 +0100
From: Alain Volmat <avolmat@...com>
To: Jassi Brar <jassisinghbrar@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Patrice Chotard <patrice.chotard@...s.st.com>
Cc: Alain Volmat <avolmat@...com>, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org
Subject: [PATCH] dt-bindings: mailbox: sti: convert sti-mailbox to DT schema
Convert the sti-mailbox.txt dt-bindings into dt-schema YAML.
Signed-off-by: Alain Volmat <avolmat@...com>
---
.../bindings/mailbox/st,sti-mailbox.yaml | 54 +++++++++++++++++++
.../bindings/mailbox/sti-mailbox.txt | 51 ------------------
2 files changed, 54 insertions(+), 51 deletions(-)
create mode 100644 Documentation/devicetree/bindings/mailbox/st,sti-mailbox.yaml
delete mode 100644 Documentation/devicetree/bindings/mailbox/sti-mailbox.txt
diff --git a/Documentation/devicetree/bindings/mailbox/st,sti-mailbox.yaml b/Documentation/devicetree/bindings/mailbox/st,sti-mailbox.yaml
new file mode 100644
index 000000000000..527c88147397
--- /dev/null
+++ b/Documentation/devicetree/bindings/mailbox/st,sti-mailbox.yaml
@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/mailbox/st,sti-mailbox.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: STMicroelectronics Mailbox Driver
+
+description:
+ Each ST Mailbox IP currently consists of 4 instances of 32 channels.
+ Messages are passed between Application and Remote processors using
+ shared memory.
+
+maintainers:
+ - Patrice Chotard <patrice.chotard@...s.st.com>
+
+properties:
+ compatible:
+ const: st,stih407-mailbox
+
+ reg:
+ maxItems: 1
+
+ mbox-name:
+ description: name of the mailbox
+ maxItems: 1
+
+ interrupts:
+ description: the irq line for the RX mailbox
+ maxItems: 1
+
+ "#mbox-cells":
+ const: 2
+
+required:
+ - compatible
+ - reg
+ - "#mbox-cells"
+ - mbox-name
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ mailbox0: mailbox@...0000 {
+ compatible = "st,stih407-mailbox";
+ reg = <0x08f00000 0x1000>;
+ interrupts = <GIC_SPI 1 IRQ_TYPE_NONE>;
+ #mbox-cells = <2>;
+ mbox-name = "a9";
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/mailbox/sti-mailbox.txt b/Documentation/devicetree/bindings/mailbox/sti-mailbox.txt
deleted file mode 100644
index 351f612673fc..000000000000
--- a/Documentation/devicetree/bindings/mailbox/sti-mailbox.txt
+++ /dev/null
@@ -1,51 +0,0 @@
-ST Microelectronics Mailbox Driver
-
-Each ST Mailbox IP currently consists of 4 instances of 32 channels. Messages
-are passed between Application and Remote processors using shared memory.
-
-Controller
-----------
-
-Required properties:
-- compatible : Should be "st,stih407-mailbox"
-- reg : Offset and length of the device's register set
-- mbox-name : Name of the mailbox
-- #mbox-cells: : Must be 2
- <&phandle instance channel direction>
- phandle : Label name of controller
- instance : Instance number
- channel : Channel number
-
-Optional properties
-- interrupts : Contains the IRQ line for a Rx mailbox
-
-Example:
-
-mailbox0: mailbox@0 {
- compatible = "st,stih407-mailbox";
- reg = <0x08f00000 0x1000>;
- interrupts = <GIC_SPI 1 IRQ_TYPE_NONE>;
- #mbox-cells = <2>;
- mbox-name = "a9";
-};
-
-Client
-------
-
-Required properties:
-- compatible : Many (See the client docs)
-- reg : Shared (between Application and Remote) memory address
-- mboxes : Standard property to specify a Mailbox (See ./mailbox.txt)
- Cells must match 'mbox-cells' (See Controller docs above)
-
-Optional properties
-- mbox-names : Name given to channels seen in the 'mboxes' property.
-
-Example:
-
-mailbox_test {
- compatible = "mailbox-test";
- reg = <0x[shared_memory_address], [shared_memory_size]>;
- mboxes = <&mailbox2 0 1>, <&mailbox0 2 1>;
- mbox-names = "tx", "rx";
-};
--
2.34.1
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