new file mode 100644
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+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/hifiberry-dacpro.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Hifiberry DAC+ Pro clock driver
+
+maintainers:
+ - Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
+
+description: |
+ The Hifiberry DAC+ PRO provides two oscillators for enhanced audio
+ quality. The clk driver allow for select and configuration of the
+ clock source.
+
+properties:
+ "#clock-cells":
+ const: 0
+
+ compatible:
+ items:
+ - const: hifiberry,dacpro-clk
+ reg:
+ maxItems: 1
+
+required:
+ - "#clock-cells"
+ - compatible
+
+examples:
+ - |
+ dacpro_osc: dacpro_osc {
+ compatible = "hifiberry,dacpro-clk";
+ #clock-cells = <0>;
+ };
+
+...
The Hifiberry DAC+ PRO relies on two local audio oscillators exposed with the clock framework. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> --- .../bindings/sound/hifiberry-dacpro.yaml | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/hifiberry-dacpro.yaml