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-rw-r--r--Documentation/devicetree/bindings/soc/intel/intel,hps-copy-engine.yaml51
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diff --git a/Documentation/devicetree/bindings/soc/intel/intel,hps-copy-engine.yaml b/Documentation/devicetree/bindings/soc/intel/intel,hps-copy-engine.yaml
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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright (C) 2022, Intel Corporation
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/intel/intel,hps-copy-engine.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Intel HPS Copy Engine
+
+maintainers:
+ - Matthew Gerlach <matthew.gerlach@linux.intel.com>
+
+description: |
+ The Intel Hard Processor System (HPS) Copy Engine is an IP block used to copy
+ a bootable image from host memory to HPS DDR. Additionally, there is a
+ register the HPS can use to indicate the state of booting the copied image as
+ well as a keep-a-live indication to the host.
+
+properties:
+ compatible:
+ const: intel,hps-copy-engine
+
+ '#dma-cells':
+ const: 1
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ bus@80000000 {
+ compatible = "simple-bus";
+ reg = <0x80000000 0x60000000>,
+ <0xf9000000 0x00100000>;
+ reg-names = "axi_h2f", "axi_h2f_lw";
+ #address-cells = <2>;
+ #size-cells = <1>;
+ ranges = <0x00000000 0x00000000 0xf9000000 0x00001000>;
+
+ dma-controller@0 {
+ compatible = "intel,hps-copy-engine";
+ reg = <0x00000000 0x00000000 0x00001000>;
+ #dma-cells = <1>;
+ };
+ };