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Subject[PATCH v3 1/3] dt-bindings: i2c-ast2600: Add bindings for AST2600 i2C global register controller
Date
AST2600 I2C global register controller, add bindings document
to support driver of i2c global register set

Signed-off-by: ryan_chen <ryan_chen@aspeedtech.com>
---
.../i2c/aspeed,i2c-ast2600-global.ymal | 44 +++++++++++++++++++
1 file changed, 44 insertions(+)
create mode 100644 Documentation/devicetree/bindings/i2c/aspeed,i2c-ast2600-global.ymal

diff --git a/Documentation/devicetree/bindings/i2c/aspeed,i2c-ast2600-global.ymal b/Documentation/devicetree/bindings/i2c/aspeed,i2c-ast2600-global.ymal
new file mode 100644
index 000000000000..d92a0878d03b
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/aspeed,i2c-ast2600-global.ymal
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i2c/aspeed,i2c-ast2600-global.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: AST2600 I2C Global Register on the AST26XX SoCs Device Tree Bindings
+
+maintainers:
+ - Ryan Chen <ryan_chen@aspeedtech.com>
+
+allOf:
+ - $ref: /schemas/i2c/i2c-controller.yaml#
+
+properties:
+ compatible:
+ enum:
+ - aspeed,ast2600-i2c-global
+
+ reg:
+ minItems: 1
+ items:
+ - description: address offset and range of bus
+ - description: address offset and range of bus buffer
+
+ resets:
+ maxItems: 1
+
+required:
+ - reg
+ - compatible
+ - resets
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/ast2600-clock.h>
+
+ i2c_gr: i2c-global-regs@0 {
+ compatible = "aspeed,ast2600-i2c-global", "syscon";
+ reg = <0x0 0x20>;
+ resets = <&syscon ASPEED_RESET_I2C>;
+ };
--
2.17.1
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