new file mode 100644
@@ -0,0 +1,34 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright 2019 Unisoc Inc.
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/arm/sprd/global-regs.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Unisoc Global Registers
+
+maintainers:
+ - Orson Zhai <orsonzhai@gmail.com>
+ - Baolin Wang <baolin.wang7@gmail.com>
+ - Chunyan Zhang <zhang.lyra@gmail.com>
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - sprd,sc9860-glbregs
+ - sprd,sc9863a-glbregs
+ - const: syscon
+
+ reg:
+ maxItems: 1
+
+examples:
+ - |
+ apb_regs: syscon@402e0000 {
+ compatible = "sprd,sc9863a-glbregs", "syscon";
+ reg = <0x402e0000 0x4000>;
+ };
+
+...
The global registers would be used by different peripheral devices which we can see them as syscon clients which can use regmap interface that syscon driver provides. Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com> --- .../bindings/arm/sprd/global-regs.yaml | 34 +++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/sprd/global-regs.yaml -- 2.20.1