[PATCH v3 2/5] dt-bindings: soc: document LiteX SoC Controller bindings

[Mateusz Holenko <mholenko@antmicro.com>]

From: Pawel Czarnecki <pczarnecki@internships.antmicro.com>

Add documentation for LiteX SoC Controller bindings.

Signed-off-by: Pawel Czarnecki <pczarnecki@internships.antmicro.com>
Signed-off-by: Mateusz Holenko <mholenko@antmicro.com>
---

Notes:
    This commit has been introduced in v3 of the patchset.

 .../soc/litex/litex,soc_controller.yaml       | 46 +++++++++++++++++++
 MAINTAINERS                                   |  6 +++
 2 files changed, 52 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/litex/litex,soc_controller.yaml

diff --git a/Documentation/devicetree/bindings/soc/litex/litex,soc_controller.yaml b/Documentation/devicetree/bindings/soc/litex/litex,soc_controller.yaml
new file mode 100644
index 000000000000..039894265319
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/litex/litex,soc_controller.yaml
@@ -0,0 +1,46 @@
+PDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/litex/litex,soc_controller.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: LiteX SoC Controller driver
+
+description: |
+  This is the SoC Controller driver for the LiteX SoC Builder.
+  It's purpose is to verify LiteX CSR (Control&Status Register) access
+  operations and provide function for other drivers to read/write CSRs
+  and to check if those accessors are ready to use.
+
+maintainers:
+  - Karol Gugala <kgugala@antmicro.com>
+  - Mateusz Holenko <mholenko@antmicro.com>
+
+properties:
+  compatible:
+    const: litex,soc_controller
+
+  reg:
+    description: Base address and length of the register space
+
+  status:
+    description: |
+      disables or enables node
+
+    const: "okay"
+
+required:
+  - compatible
+  - reg
+  - status
+
+examples:
+  - |
+
+  soc_ctrl0: soc_controller@f0000000 {
+			compatible = "litex,soc_controller";
+			reg = <0x0 0xf0000000 0x0 0xC>;
+			status = "okay";
+  };
+
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 4beb8dc4c7eb..ec925c081dd2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9725,6 +9725,12 @@ L:	kunit-dev@googlegroups.com
 S:	Maintained
 F:	lib/list-test.c
 
+LITEX PLATFORM
+M:	Karol Gugala <kgugala@antmicro.com>
+M:	Mateusz Holenko <mholenko@antmicro.com>
+S:	Maintained
+F:	Documentation/devicetree/bindings/*/litex,*.yaml
+
 LIVE PATCHING
 M:	Josh Poimboeuf <jpoimboe@redhat.com>
 M:	Jiri Kosina <jikos@kernel.org>
-- 
2.25.0