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8f759058e9
This adds the cs47l15, cs42l92, cs47l92 and cs47l93 to the list of compatible strings and updates some properties that need to note the new CODECs. Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com> Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
107 lines
3.2 KiB
Plaintext
107 lines
3.2 KiB
Plaintext
Cirrus Logic Madera class audio codecs Multi-Functional Device
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These devices are audio SoCs with extensive digital capabilities and a range
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of analogue I/O.
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See also the child driver bindings in:
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bindings/pinctrl/cirrus,madera-pinctrl.txt
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bindings/regulator/arizona-regulator.txt
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bindings/sound/madera.txt
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Required properties:
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- compatible : One of the following chip-specific strings:
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"cirrus,cs47l15"
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"cirrus,cs47l35"
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"cirrus,cs47l85"
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"cirrus,cs47l90"
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"cirrus,cs47l91"
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"cirrus,cs42l92"
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"cirrus,cs47l92"
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"cirrus,cs47l93"
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"cirrus,wm1840"
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- reg : I2C slave address when connected using I2C, chip select number when
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using SPI.
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- DCVDD-supply : Power supply for the device as defined in
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bindings/regulator/regulator.txt
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Mandatory on CS47L15, CS47L35, CS47L90, CS47L91, CS42L92, CS47L92, CS47L93
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Optional on CS47L85, WM1840
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- AVDD-supply, DBVDD1-supply, DBVDD2-supply, CPVDD1-supply, CPVDD2-supply :
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Power supplies for the device
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- DBVDD3-supply, DBVDD4-supply : Power supplies for the device
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(CS47L85, CS47L90, CS47L91, WM1840)
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- SPKVDDL-supply, SPKVDDR-supply : Power supplies for the device
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(CS47L85, WM1840)
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- SPKVDD-supply : Power supply for the device
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(CS47L15, CS47L35)
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- interrupt-controller : Indicates that this device is an interrupt controller
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- #interrupt-cells: the number of cells to describe an IRQ, must be 2.
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The first cell is the IRQ number.
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The second cell is the flags, encoded as the trigger masks from
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bindings/interrupt-controller/interrupts.txt
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- gpio-controller : Indicates this device is a GPIO controller.
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- #gpio-cells : Must be 2. The first cell is the pin number. The second cell
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is reserved for future use and must be zero
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- interrupt-parent : The parent interrupt controller.
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- interrupts : The interrupt line the /IRQ signal for the device is
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connected to.
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Optional properties:
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- MICVDD-supply : Power supply, only need to be specified if
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powered externally
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- reset-gpios : One entry specifying the GPIO controlling /RESET.
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As defined in bindings/gpio.txt.
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Although optional, it is strongly recommended to use a hardware reset
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- MICBIASx : Initial data for the MICBIAS regulators, as covered in
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Documentation/devicetree/bindings/regulator/regulator.txt.
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One for each MICBIAS generator (MICBIAS1, MICBIAS2, ...)
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(all codecs)
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One for each output pin (MICBIAS1A, MIBCIAS1B, MICBIAS2A, ...)
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(all except CS47L85, WM1840)
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The following following additional property is supported for the generator
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nodes:
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- cirrus,ext-cap : Set to 1 if the MICBIAS has external decoupling
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capacitors attached.
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Optional child nodes:
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micvdd : Node containing initialization data for the micvdd regulator
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See bindings/regulator/arizona-regulator.txt
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ldo1 : Node containing initialization data for the LDO1 regulator
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See bindings/regulator/arizona-regulator.txt
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(cs47l85, wm1840)
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Example:
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cs47l85@0 {
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compatible = "cirrus,cs47l85";
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reg = <0>;
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reset-gpios = <&gpio 0>;
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interrupt-controller;
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#interrupt-cells = <2>;
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interrupts = <&host_irq1>;
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interrupt-parent = <&gic>;
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gpio-controller;
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#gpio-cells = <2>;
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};
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