dt-bindings: soc: starfive: Add StarFive syscon doc

Add documentation to describe StarFive System Controller Registers.

Signed-off-by: William Qiu <william.qiu@starfivetech.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>

diff --git a/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml b/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml
new file mode 100644 (file)
index 0000000..ae7f1d6
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml
@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/starfive/starfive,jh7110-syscon.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive JH7110 SoC system controller
+
+maintainers:
+  - William Qiu <william.qiu@starfivetech.com>
+
+description: |
+  The StarFive JH7110 SoC system controller provides register information such
+  as offset, mask and shift to configure related modules such as MMC and PCIe.
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - starfive,jh7110-aon-syscon
+          - starfive,jh7110-stg-syscon
+          - starfive,jh7110-sys-syscon
+      - const: syscon
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    syscon@10240000 {
+        compatible = "starfive,jh7110-stg-syscon", "syscon";
+        reg = <0x10240000 0x1000>;
+    };
+
+...

diff --git a/MAINTAINERS b/MAINTAINERS
index a4945b2..a63e79d 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -19640,6 +19640,11 @@ S:     Supported
 F:     Documentation/devicetree/bindings/mmc/starfive*
 F:     drivers/mmc/host/dw_mmc-starfive.c
 
+STARFIVE JH7110 SYSCON
+M:     William Qiu <william.qiu@starfivetech.com>
+S:     Supported
+F:     Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml
+
 STARFIVE JH71X0 CLOCK DRIVERS
 M:     Emil Renner Berthing <kernel@esmil.dk>
 M:     Hal Feng <hal.feng@starfivetech.com>