[PATCH v2 1/4] dt-bindings: mfd: sprd: Add bindings for ums512 global registers

From: Chunyan Zhang
Date: Thu Sep 16 2021 - 04:47:38 EST


From: Chunyan Zhang <chunyan.zhang@xxxxxxxxxx>

Add bindings for Unisoc system global register which provide register map
for clocks.

Signed-off-by: Chunyan Zhang <chunyan.zhang@xxxxxxxxxx>
---
.../bindings/mfd/sprd,ums512-glbreg.yaml | 67 +++++++++++++++++++
1 file changed, 67 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/sprd,ums512-glbreg.yaml

diff --git a/Documentation/devicetree/bindings/mfd/sprd,ums512-glbreg.yaml b/Documentation/devicetree/bindings/mfd/sprd,ums512-glbreg.yaml
new file mode 100644
index 000000000000..cf9dad06bb4e
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/sprd,ums512-glbreg.yaml
@@ -0,0 +1,67 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/sprd,ums512-glbreg.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Unisoc System Global Register Device Tree Bindings
+
+maintainers:
+ - Orson Zhai <orsonzhai@xxxxxxxxx>
+ - Baolin Wang <baolin.wang7@xxxxxxxxx>
+ - Chunyan Zhang <zhang.lyra@xxxxxxxxx>
+
+description:
+ Unisoc system global registers provide register map
+ for clocks and some multimedia modules of the SoC.
+
+properties:
+ "#address-cells": true
+ "#size-cells": true
+
+ compatible:
+ items:
+ - const: sprd,ums512-glbregs
+ - const: syscon
+ - const: simple-mfd
+
+ ranges:
+ maxItems: 1
+
+ reg:
+ maxItems: 1
+
+patternProperties:
+ "^.*@[0-9a-f]+$":
+ # Child node
+ type: object
+ $ref: "../clock/sprd,ums512-clk.yaml"
+ description:
+ Clock controller for the SoC clocks. This child node definition
+ should follow the bindings specified in
+ Documentation/devicetree/bindings/clock/sprd,ums512-clk.yaml.
+
+required:
+ - compatible
+ - reg
+ - "#address-cells"
+ - "#size-cells"
+ - ranges
+
+additionalProperties: false
+
+examples:
+ - |
+ ap_apb_regs: syscon@71000000 {
+ compatible = "sprd,ums512-glbregs", "syscon", "simple-mfd";
+ reg = <0x71000000 0x3000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x71000000 0x3000>;
+
+ apahb_gate: clock-controller@0 {
+ compatible = "sprd,ums512-apahb-gate";
+ reg = <0x0 0x2000>;
+ #clock-cells = <1>;
+ };
+ };
--
2.25.1