[PATCH v6 4/5] dt-bindings: serial: document LiteUART bindings

Mateusz Holenko
2020-05-27T16:26:59Z

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:
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

diff --git a/Documentation/devicetree/bindings/serial/litex,liteuart.yaml b/Documentation/devicetree/bindings/serial/litex,liteuart.yaml
new file mode 100644
index 000000000000..87bf846b170a
--- /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>;
+ };
--
2.25.1