[PATCH 1/7] ASoC: qcom: dt-bindings: add bindings for lpass rx macro codec

Srinivas Kandagatla srinivas.kandagatla at linaro.org
Thu Jan 28 15:19:23 CET 2021


This binding is for LPASS has internal codec RX macro which is
for connecting with SoundWire RX codecs like WCD938x.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
---
 .../bindings/sound/qcom,lpass-rx-macro.yaml   | 62 +++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/qcom,lpass-rx-macro.yaml

diff --git a/Documentation/devicetree/bindings/sound/qcom,lpass-rx-macro.yaml b/Documentation/devicetree/bindings/sound/qcom,lpass-rx-macro.yaml
new file mode 100644
index 000000000000..443d556caa69
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,lpass-rx-macro.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/qcom,lpass-rx-macro.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: LPASS(Low Power Audio Subsystem) RX Macro audio codec DT bindings
+
+maintainers:
+  - Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
+
+properties:
+  compatible:
+    const: qcom,sm8250-lpass-rx-macro
+
+  reg:
+    maxItems: 1
+
+  "#sound-dai-cells":
+    const: 1
+
+  '#clock-cells':
+    const: 0
+
+  clocks:
+    maxItems: 5
+
+  clock-names:
+    items:
+      - const: mclk
+      - const: npl
+      - const: macro
+      - const: dcodec
+      - const: fsgen
+
+  clock-output-names:
+    items:
+      - const: mclk
+
+required:
+  - compatible
+  - reg
+  - "#sound-dai-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/sound/qcom,q6afe.h>
+    codec at 3200000 {
+      compatible = "qcom,sm8250-lpass-rx-macro";
+      reg = <0x3200000 0x1000>;
+      #sound-dai-cells = <1>;
+      #clock-cells = <0>;
+      clocks = <&audiocc 0>,
+               <&audiocc 1>,
+               <&q6afecc LPASS_HW_MACRO_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
+               <&q6afecc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
+               <&vamacro>;
+      clock-names = "mclk", "npl", "macro", "dcodec", "fsgen";
+      clock-output-names = "mclk";
+    };
-- 
2.21.0



More information about the Alsa-devel mailing list