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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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49beb4d2e8
Document port mapping property for wsa883x. Port mapping is required to be able map correct master ports for VI feedback. All the device ports are not mapped in same order as master ports, so there is a need for having static port mapping for WSA codecs. Signed-off-by: Manikantan R <quic_manrav@quicinc.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-HDK Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://patch.msgid.link/20240626-port-map-v2-1-6cc1c5608cdd@linaro.org Signed-off-by: Mark Brown <broonie@kernel.org>
90 lines
2.0 KiB
YAML
90 lines
2.0 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/qcom,wsa883x.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm WSA8830/WSA8832/WSA8835
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smart speaker amplifier
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maintainers:
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- Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
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description: |
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WSA883X is the Qualcomm Aqstic smart speaker amplifier
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Their primary operating mode uses a SoundWire digital audio
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interface. This binding is for SoundWire interface.
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allOf:
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- $ref: dai-common.yaml#
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properties:
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compatible:
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const: sdw10217020200
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reg:
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maxItems: 1
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powerdown-gpios:
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description: GPIO spec for Powerdown/Shutdown line to use (pin SD_N)
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maxItems: 1
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vdd-supply:
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description: VDD Supply for the Codec
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qcom,port-mapping:
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description: |
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Specifies static port mapping between slave and master ports.
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In the order of slave port index.
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$ref: /schemas/types.yaml#/definitions/uint32-array
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minItems: 4
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maxItems: 4
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'#thermal-sensor-cells':
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const: 0
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'#sound-dai-cells':
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const: 0
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required:
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- compatible
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- reg
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- vdd-supply
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- powerdown-gpios
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- "#thermal-sensor-cells"
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- "#sound-dai-cells"
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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soundwire@3250000 {
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#address-cells = <2>;
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#size-cells = <0>;
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reg = <0x3250000 0x2000>;
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speaker@0,1 {
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compatible = "sdw10217020200";
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reg = <0 1>;
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powerdown-gpios = <&tlmm 1 GPIO_ACTIVE_LOW>;
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vdd-supply = <&vreg_s10b_1p8>;
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#thermal-sensor-cells = <0>;
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#sound-dai-cells = <0>;
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sound-name-prefix = "SpkrLeft";
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};
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speaker@0,2 {
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compatible = "sdw10217020200";
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reg = <0 2>;
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powerdown-gpios = <&tlmm 89 GPIO_ACTIVE_LOW>;
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vdd-supply = <&vreg_s10b_1p8>;
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#thermal-sensor-cells = <0>;
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#sound-dai-cells = <0>;
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sound-name-prefix = "SpkrRight";
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};
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};
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...
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