89 lines
2.8 KiB
Plaintext
89 lines
2.8 KiB
Plaintext
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wsa881x Audio CODEC
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wsa881x Audio CODEC can support either I2C interface or Soundwire interface.
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In Analog mode, this codec will operate as I2C slave device and
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interacts with I2C controller for status, control and interrupt management.
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The wsa881x device nodes will be represented as child nodes to I2C
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master device node in the devicetree. Currently, the below devicetree
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bindings are for I2C mode only and does not include soundwire mode.
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Required properties:
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- compatible : "qcom,wsa881x-i2c-codec"
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- reg : Unique device ID of I2C slave device.
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Optional properties:
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- qcom,msm-gpios : Lists down all the gpio sets that are supported.
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- qcom,pinctrl-names : Lists all the possible combinations of the gpio sets
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mentioned in qcom,msm-gpios. Say we have 2^N combinations for N GPIOs, this
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list all 2^N combinations.
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- pinctrl-names : The combinations of gpio sets from above that are supported in
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the flavor. This can be sometimes same as qcom, pinctrl-names i.e with 2^N
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combinations or will have less incase if some combination is not supported.
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- pinctrl-# : Pinctrl states as mentioned in pinctrl-names.
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* wsa_intc
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Required properties:
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- compatible : "qcom,wsa-irq"
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- interrupt-controller : Mark this device node as an
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interrupt controller
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- #interrupt-cells : Should be 1
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- interrupt-parent : Parent interrupt controller
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- interrupts : Interrupt number on the parent
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interrupt controller
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- interrupt-names : Name of interrupt on the parent
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interrupt controller
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Example:
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wsa881x-i2c-codec@0e {
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compatible = "qcom,wsa881x-i2c-codec";
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reg = <0x0e>;
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qcom,msm-gpios = "wsa_clk",
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"wsa_reset";
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qcom,pinctrl-names = "all_off",
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"wsa_clk",
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"wsa_active",
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"wsa_clk_active";
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pinctrl-names = "all_off",
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"wsa_clk",
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"wsa_active",
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"wsa_clk_active";
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pinctrl-0 = <&wsa_clk_off &wsa_suspend>;
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pinctrl-1 = <&wsa_clk_on &wsa_suspend>;
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pinctrl-2 = <&wsa_clk_off &wsa_active>;
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pinctrl-3 = <&wsa_clk_on &wsa_active>;
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};
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wsa881x-i2c-codec@44 {
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compatible = "qcom,wsa881x-i2c-codec";
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reg = <0x44>;
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};
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wsa881x-i2c-codec@0f {
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compatible = "qcom,wsa881x-i2c-codec";
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reg = <0x0f>;
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qcom,msm-gpios = "wsa_clk",
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"wsa_reset";
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qcom,pinctrl-names = "all_off",
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"wsa_clk",
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"wsa_active",
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"wsa_clk_active";
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pinctrl-names = "all_off",
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"wsa_active",
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"wsa_clk_active";
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pinctrl-0 = <&wsa_clk_off &wsa_suspend>;
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pinctrl-1 = <&wsa_clk_off &wsa_active>;
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pinctrl-2 = <&wsa_clk_on &wsa_active>;
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};
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wsa_intc: wsa-irq {
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compatible = "qcom,wsa-irq";
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interrupt-controller;
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#interrupt-cells = <1>;
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interrupt-parent = <&msm_gpio>;
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interrupts = <97 0>;
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interrupt-names = "wsa-int";
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};
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