[PATCH v10 02/17] ASoC: dt-bindings: move LPASS clocks related bindings out of q6afe
From: Srinivas Kandagatla <hidden>
Date: 2021-10-25 17:17:16
Also in:
alsa-devel
Subsystem:
arm/qualcomm mailing list, open firmware and flattened device tree bindings, qcom audio (asoc) drivers, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Srinivas Kandagatla, Liam Girdwood, Mark Brown, Linus Torvalds
q6afe (Audio Front End) is one of the DSP service that handles both LPASS (Low Power Audio SubSystem) Audio ports and LPASS clocks. As LPASS is a hardwware IP and commonly used by Qualcomm Audio DSP. In order to allow multiple DSP frameworks to use these bindings its best to move it out from the dsp specific bindings. For compatibility reasons and not breaking which is already working we still maintain same compatible string "qcom,q6afe-clocks" Also as part of this change convert these LPASS clocks related bindings into yaml format. Signed-off-by: Srinivas Kandagatla <redacted> Reviewed-by: Rob Herring <robh@kernel.org> --- .../devicetree/bindings/sound/qcom,q6afe.txt | 23 -------- .../sound/qcom,q6dsp-lpass-clocks.yaml | 56 +++++++++++++++++++ 2 files changed, 56 insertions(+), 23 deletions(-) create mode 100644 Documentation/devicetree/bindings/sound/qcom,q6dsp-lpass-clocks.yaml
diff --git a/Documentation/devicetree/bindings/sound/qcom,q6afe.txt b/Documentation/devicetree/bindings/sound/qcom,q6afe.txt
index fcf81058504c..bc6b5f1fe4f1 100644
--- a/Documentation/devicetree/bindings/sound/qcom,q6afe.txt
+++ b/Documentation/devicetree/bindings/sound/qcom,q6afe.txt@@ -12,32 +12,9 @@ used by all apr services. Must contain the following properties. from DSP. example "qcom,q6afe" -= AFE CLOCKSS -"clocks" subnode of the AFE node. It represents q6afe clocks -"clocks" node should have following properties. -- compatible: - Usage: required - Value type: <stringlist> - Definition: must be "qcom,q6afe-clocks" - -- #clock-cells: - Usage: required - Value type: <u32> - Definition: Must be 2. Clock Id followed by - below valid clock coupling attributes. - 1 - for no coupled clock - 2 - for dividend of the coupled clock - 3 - for divisor of the coupled clock - 4 - for inverted and no couple clock - = EXAMPLE apr-service@4 { compatible = "qcom,q6afe"; reg = <APR_SVC_AFE>; - - clocks { - compatible = "qcom,q6afe-clocks"; - #clock-cells = <2>; - }; };
diff --git a/Documentation/devicetree/bindings/sound/qcom,q6dsp-lpass-clocks.yaml b/Documentation/devicetree/bindings/sound/qcom,q6dsp-lpass-clocks.yaml
new file mode 100644
index 000000000000..c686164732aa
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,q6dsp-lpass-clocks.yaml@@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/sound/qcom,q6dsp-lpass-clocks.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Qualcomm DSP LPASS Clock Controller binding + +maintainers: + - Srinivas Kandagatla <srinivas.kandagatla@linaro.org> + +description: | + This binding describes the Qualcomm DSP Clock Controller + +properties: + compatible: + enum: + - qcom,q6afe-clocks + + reg: + maxItems: 1 + + '#clock-cells': + const: 2 + description: + Clock Id is followed by clock coupling attributes. + 1 = for no coupled clock + 2 = for dividend of the coupled clock + 3 = for divisor of the coupled clock + 4 = for inverted and no couple clock + +required: + - compatible + - reg + - "#clock-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/soc/qcom,apr.h> + #include <dt-bindings/sound/qcom,q6afe.h> + apr { + #address-cells = <1>; + #size-cells = <0>; + apr-service@4 { + reg = <APR_SVC_AFE>; + #address-cells = <1>; + #size-cells = <0>; + clock-controller@2 { + compatible = "qcom,q6afe-clocks"; + reg = <2>; + #clock-cells = <2>; + }; + }; + };
--
2.21.0