ASoC: add devicetree support for WM8961 codec

Merge series from Doug Brown <doug@schmorgal.com>:

This series adds devicetree support for the Wolfson WM8961 codec. The
first patch adds a schema, the second patch hooks it up in the code, and
the third patch allows it to be selected in Kconfig.

1 files changed, 40 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/sound/wlf,wm8961.yaml b/Documentation/devicetree/bindings/sound/wlf,wm8961.yaml
new file mode 100644
index 000000000000..795d34e1e97a
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/wlf,wm8961.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/wlf,wm8961.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Wolfson WM8961 Ultra-Low Power Stereo CODEC
+
+maintainers:
+  - patches@opensource.cirrus.com
+
+properties:
+  compatible:
+    const: wlf,wm8961
+
+  reg:
+    maxItems: 1
+
+  '#sound-dai-cells':
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - '#sound-dai-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+          #address-cells = <1>;
+          #size-cells = <0>;
+
+          wm8961: codec@4a {
+                  compatible = "wlf,wm8961";
+                  reg = <0x4a>;
+                  #sound-dai-cells = <0>;
+          };
+    };