[PATCH v4 1/2] ASoC: dt-bindings: qcom,wsa8840: Add WSA884x family of speakers

From: Krzysztof Kozlowski
Date: Fri Jun 16 2023 - 07:58:44 EST


Add binding for WSA8840/WSA8845/WSA8845H smart speaker amplifiers used
in Qualcomm QRD8550 board with SM8550 SoC.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

---

Changes in v4:
1. None.

Changes in v3:
1. None.

Changes in v2:
1. Correct compatible (sdw version 1 -> 2).

Cc: Patrick Lai <quic_plai@xxxxxxxxxxx>
Cc: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
.../bindings/sound/qcom,wsa8840.yaml | 66 +++++++++++++++++++
1 file changed, 66 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/qcom,wsa8840.yaml

diff --git a/Documentation/devicetree/bindings/sound/qcom,wsa8840.yaml b/Documentation/devicetree/bindings/sound/qcom,wsa8840.yaml
new file mode 100644
index 000000000000..e6723c9e312a
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,wsa8840.yaml
@@ -0,0 +1,66 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/qcom,wsa8840.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm WSA8840/WSA8845/WSA8845H smart speaker amplifier
+
+maintainers:
+ - Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
+ - Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
+
+description:
+ WSA884X is a family of Qualcomm Aqstic smart speaker amplifiers using
+ SoundWire digital audio interface.
+
+allOf:
+ - $ref: dai-common.yaml#
+
+properties:
+ compatible:
+ const: sdw20217020400
+
+ reg:
+ maxItems: 1
+
+ powerdown-gpios:
+ description: Powerdown/Shutdown line to use (pin SD_N)
+ maxItems: 1
+
+ '#sound-dai-cells':
+ const: 0
+
+ vdd-1p8-supply: true
+ vdd-io-supply: true
+
+required:
+ - compatible
+ - reg
+ - powerdown-gpios
+ - '#sound-dai-cells'
+ - vdd-1p8-supply
+ - vdd-io-supply
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ soundwire-controller {
+ #address-cells = <2>;
+ #size-cells = <0>;
+
+ speaker@0,1 {
+ compatible = "sdw20217020400";
+ reg = <0 1>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spkr_2_sd_n_active>;
+ powerdown-gpios = <&lpass_tlmm 18 GPIO_ACTIVE_LOW>;
+ #sound-dai-cells = <0>;
+ sound-name-prefix = "SpkrRight";
+ vdd-1p8-supply = <&vreg_l15b_1p8>;
+ vdd-io-supply = <&vreg_l3g_1p2>;
+ };
+ };
--
2.34.1