linux-kernel - [PATCH v5 1/3] dt-bindings: arm: sprd: add global registers bindings

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Date:   Mon, 23 Dec 2019 17:29:46 +0800
From:   Chunyan Zhang <zhang.lyra@...il.com>
To:     soc@...nel.org, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Orson Zhai <orsonzhai@...il.com>,
        Baolin Wang <baolin.wang7@...il.com>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        Chunyan Zhang <chunyan.zhang@...soc.com>
Subject: [PATCH v5 1/3] dt-bindings: arm: sprd: add global registers bindings

From: Chunyan Zhang <chunyan.zhang@...soc.com>

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@...soc.com>
---
 .../bindings/arm/sprd/global-regs.yaml        | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/sprd/global-regs.yaml

diff --git a/Documentation/devicetree/bindings/arm/sprd/global-regs.yaml b/Documentation/devicetree/bindings/arm/sprd/global-regs.yaml
new file mode 100644
index 000000000000..012207166116
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/sprd/global-regs.yaml
@@ -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@...il.com>
+  - Baolin Wang <baolin.wang7@...il.com>
+  - Chunyan Zhang <zhang.lyra@...il.com>
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - sprd,sc9860-glbregs
+              - sprd,sc9863a-glbregs
+          - const: syscon
+
+  reg:
+    maxItems: 1
+
+examples:
+  - |
+    apb_regs: syscon@...e0000 {
+      compatible = "sprd,sc9863a-glbregs", "syscon";
+      reg = <0x402e0000 0x4000>;
+    };
+
+...
-- 
2.20.1