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[v10,4/5] dt-bindings: serial: document LiteUART bindings

Message ID 20200812143324.2394375-4-mholenko@antmicro.com
State Superseded
Headers show
Series LiteX SoC controller and LiteUART serial driver | expand

Commit Message

Mateusz Holenko Aug. 12, 2020, 12:34 p.m. UTC 
From: Filip Kokosinski <fkokosinski@antmicro.com>

Add documentation for LiteUART devicetree bindings.

Signed-off-by: Filip Kokosinski <fkokosinski@antmicro.com>
Signed-off-by: Mateusz Holenko <mholenko@antmicro.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---

Notes:
    No changes in v10.

    No changes in v9.

    No changes in v8.

    No changes in v7.

    Changes in v6:
    - fixed license header

    No changes in v5.

    No changes in v4.

    Changes in v3:
    - added Reviewed-by tag
    - patch number changed from 3 to 4
    - removed changes in MAINTAINERS file (moved to patch #2)
    
    Changes in v2:
    - binding description rewritten to a yaml schema file
    - added interrupt line
    - fixed unit address
    - patch number changed from 2 to 3

 .../bindings/serial/litex,liteuart.yaml       | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/serial/litex,liteuart.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/serial/litex,liteuart.yaml b/Documentation/devicetree/bindings/serial/litex,liteuart.yaml
new file mode 100644
index 000000000000..69acb222bb57
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/litex,liteuart.yaml
@@ -0,0 +1,38 @@ 
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/serial/litex,liteuart.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: LiteUART serial controller
+
+maintainers:
+  - Karol Gugala <kgugala@antmicro.com>
+  - Mateusz Holenko <mholenko@antmicro.com>
+
+description: |
+  LiteUART serial controller is a part of LiteX FPGA SoC builder. It supports
+  multiple CPU architectures, currently including e.g. OpenRISC and RISC-V.
+
+properties:
+  compatible:
+    const: litex,liteuart
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    uart0: serial@e0001800 {
+      compatible = "litex,liteuart";
+      reg = <0xe0001800 0x100>;
+      interrupts = <2>;
+    };