ASoC: wm8903: Convert txt bindings to yaml

Convert the Wolfson WM8903 Ultra-Low Power Stereo CODEC Device Tree
binding documentation to json-schema.

Signed-off-by: David Heidelberg <david@ixit.cz>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211028124639.38420-1-david@ixit.cz
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 116 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/sound/wlf,wm8903.yaml b/Documentation/devicetree/bindings/sound/wlf,wm8903.yaml
new file mode 100644
index 000000000000..7105ed5fd6c7
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/wlf,wm8903.yaml
@@ -0,0 +1,116 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/sound/wlf,wm8903.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: WM8903 audio codec
+
+description: |
+  This device supports I2C only.
+  Pins on the device (for linking into audio routes):
+      * IN1L
+      * IN1R
+      * IN2L
+      * IN2R
+      * IN3L
+      * IN3R
+      * DMICDAT
+      * HPOUTL
+      * HPOUTR
+      * LINEOUTL
+      * LINEOUTR
+      * LOP
+      * LON
+      * ROP
+      * RON
+      * MICBIAS
+
+maintainers:
+  - patches@opensource.cirrus.com
+
+properties:
+  compatible:
+    const: wlf,wm8903
+
+  reg:
+    maxItems: 1
+
+  gpio-controller: true
+  '#gpio-cells':
+    const: 2
+
+  interrupts:
+    maxItems: 1
+
+  micdet-cfg:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    default: 0
+    description: Default register value for R6 (Mic Bias).
+
+  micdet-delay:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    default: 100
+    description: The debounce delay for microphone detection in mS.
+
+  gpio-cfg:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: |
+      minItems: 5
+      maxItems: 5
+      A list of GPIO configuration register values.
+      If absent, no configuration of these registers is performed.
+      If any entry has the value 0xffffffff, that GPIO's
+      configuration will not be modified.
+
+  AVDD-supply:
+    description: Analog power supply regulator on the AVDD pin.
+
+  CPVDD-supply:
+    description: Charge pump supply regulator on the CPVDD pin.
+
+  DBVDD-supply:
+    description: Digital buffer supply regulator for the DBVDD pin.
+
+  DCVDD-supply:
+    description: Digital core supply regulator for the DCVDD pin.
+
+
+required:
+  - compatible
+  - reg
+  - gpio-controller
+  - '#gpio-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      wm8903: codec@1a {
+        compatible = "wlf,wm8903";
+        reg = <0x1a>;
+        interrupts = <347>;
+
+        AVDD-supply = <&fooreg_a>;
+        CPVDD-supply = <&fooreg_b>;
+        DBVDD-supply = <&fooreg_c>;
+        DCVDD-supply = <&fooreg_d>;
+
+        gpio-controller;
+        #gpio-cells = <2>;
+
+        micdet-cfg = <0>;
+        micdet-delay = <100>;
+        gpio-cfg = <
+          0x0600 /* DMIC_LR, output */
+          0x0680 /* DMIC_DAT, input */
+          0x0000 /* GPIO, output, low */
+          0x0200 /* Interrupt, output */
+          0x01a0 /* BCLK, input, active high */
+        >;
+      };
+    };