aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/Documentation/devicetree/bindings/sound/wlf,wm8960.yaml
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/devicetree/bindings/sound/wlf,wm8960.yaml')
-rw-r--r--Documentation/devicetree/bindings/sound/wlf,wm8960.yaml108
1 files changed, 108 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/wlf,wm8960.yaml b/Documentation/devicetree/bindings/sound/wlf,wm8960.yaml
new file mode 100644
index 000000000000..62e62c335d07
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/wlf,wm8960.yaml
@@ -0,0 +1,108 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/wlf,wm8960.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Wolfson WM8960 audio codec
+
+maintainers:
+ - patches@opensource.cirrus.com
+
+properties:
+ compatible:
+ const: wlf,wm8960
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ items:
+ - const: mclk
+
+ '#sound-dai-cells':
+ const: 0
+
+ AVDD-supply:
+ description: Analogue supply.
+
+ DBVDD-supply:
+ description: Digital Buffer Supply.
+
+ DCVDD-supply:
+ description: Digital Core Supply.
+
+ SPKVDD1-supply:
+ description: Supply for speaker drivers 1.
+
+ SPKVDD2-supply:
+ description: Supply for speaker drivers 2.
+
+ wlf,capless:
+ type: boolean
+ description:
+ If present, OUT3 pin will be enabled and disabled together with HP_L and
+ HP_R pins in response to jack detect events.
+
+ wlf,gpio-cfg:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ maxItems: 2
+ description: |
+ A list of GPIO configuration register values.
+ - gpio-cfg[0]: ALRCGPIO of R9 (Audio interface)
+ - gpio-cfg[1]: {GPIOPOL:GPIOSEL[2:0]} of R48 (Additional Control 4).
+
+ wlf,hp-cfg:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ maxItems: 3
+ description: |
+ A list of headphone jack detect configuration register values:
+ - hp-cfg[0]: HPSEL[1:0] of R48 (Additional Control 4).
+ - hp-cfg[1]: {HPSWEN:HPSWPOL} of R24 (Additional Control 2).
+ - hp-cfg[2]: {TOCLKSEL:TOEN} of R23 (Additional Control 1).
+
+ wlf,shared-lrclk:
+ type: boolean
+ description:
+ If present, the LRCM bit of R24 (Additional control 2) gets set,
+ indicating that ADCLRC and DACLRC pins will be disabled only when ADC
+ (Left and Right) and DAC (Left and Right) are disabled.
+ When WM8960 works on synchronize mode and DACLRC pin is used to supply
+ frame clock, it will no frame clock for captrue unless enable DAC to
+ enable DACLRC pin. If shared-lrclk is present, no need to enable DAC for
+ captrue.
+
+required:
+ - compatible
+ - reg
+
+allOf:
+ - $ref: dai-common.yaml#
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ audio-codec@1a {
+ compatible = "wlf,wm8960";
+ reg = <0x1a>;
+ clocks = <&clks 0>;
+ clock-names = "mclk";
+ #sound-dai-cells = <0>;
+ wlf,hp-cfg = <3 2 3>;
+ wlf,gpio-cfg = <1 3>;
+ wlf,shared-lrclk;
+ DCVDD-supply = <&reg_audio>;
+ DBVDD-supply = <&reg_audio>;
+ AVDD-supply = <&reg_audio>;
+ SPKVDD1-supply = <&reg_audio>;
+ SPKVDD2-supply = <&reg_audio>;
+ };
+ };