Merge branch 'asoc-5.1' into asoc-next

 - DVDD-supply: supply voltage for the digital core, please consult

                Documentation/devicetree/bindings/regulator/regulator.txt

- adi,micbias: configures the voltage setting for the MICBIAS pin.

		Select 0/1/2/3/4/5/6/7/8 to specify MICBIAS voltage

		5V/5.5V/6V/6.5V/7V/7.5V/8V/8.5V/9V

		If not specified the default value will be "7" meaning 8.5 Volts.

		This property is only valid for the ADAU1977

For required properties on SPI, please consult

Documentation/devicetree/bindings/spi/spi-bus.txt

		AVDD-supply = <&regulator>;

		DVDD-supply = <&regulator_digital>;

		adi,micbias = <3>;

		reset-gpios = <&gpio 10 GPIO_ACTIVE_LOW>;

	};

Required properties:

- compatible : "asahi-kasei,ak4458"

- compatible : "asahi-kasei,ak4458" or "asahi-kasei,ak4497"

- reg : The I2C address of the device for I2C

Optional properties:

Audio-Graph-SCU-Card:

Audio-Graph-SCU-Card is "Audio-Graph-Card" + "ALSA DPCM".

It is based on common bindings for device graphs.

see ${LINUX}/Documentation/devicetree/bindings/graph.txt

Basically, Audio-Graph-SCU-Card property is same as

Simple-Card / Simple-SCU-Card / Audio-Graph-Card.

see ${LINUX}/Documentation/devicetree/bindings/sound/simple-card.txt

    ${LINUX}/Documentation/devicetree/bindings/sound/simple-scu-card.txt

    ${LINUX}/Documentation/devicetree/bindings/sound/audio-graph-card.txt

Below are same as Simple-Card / Audio-Graph-Card.

- label

- dai-format

- frame-master

- bitclock-master

- bitclock-inversion

- frame-inversion

- dai-tdm-slot-num

- dai-tdm-slot-width

- clocks / system-clock-frequency

Below are same as Simple-SCU-Card.

- convert-rate

- convert-channels

- prefix

- routing

Required properties:

- compatible				: "audio-graph-scu-card";

- dais					: list of CPU DAI port{s}

Example 1. Sampling Rate Conversion

	sound_card {

		compatible = "audio-graph-scu-card";

		label = "sound-card";

		prefix = "codec";

		routing = "codec Playback", "DAI0 Playback",

			  "DAI0 Capture",   "codec Capture";

		convert-rate = <48000>;

		dais = <&cpu_port>;

	};

	audio-codec {

		...

		port {

			codec_endpoint: endpoint {

				remote-endpoint = <&cpu_endpoint>;

			};

		};

	};

	dai-controller {

		...

		cpu_port: port {

			cpu_endpoint: endpoint {

				remote-endpoint = <&codec_endpoint>;

				dai-format = "left_j";

				...

			};

		};

	};

Example 2. 2 CPU 1 Codec (Mixing)

	sound_card {

		compatible = "audio-graph-scu-card";

		label = "sound-card";

		routing = "codec Playback", "DAI0 Playback",

			  "codec Playback", "DAI1 Playback",

			  "DAI0 Capture",   "codec Capture";

		dais = <&cpu_port0

			&cpu_port1>;

	};

	audio-codec {

		...

		audio-graph-card,prefix = "codec";

		audio-graph-card,convert-rate = <48000>;

		port {

			codec_endpoint0: endpoint {

				remote-endpoint = <&cpu_endpoint0>;

			};

			codec_endpoint1: endpoint {

				remote-endpoint = <&cpu_endpoint1>;

			};

		};

	};

	dai-controller {

		...

		ports {

			cpu_port0: port {

				cpu_endpoint0: endpoint {

					remote-endpoint = <&codec_endpoint0>;

					dai-format = "left_j";

					...

				};

			};

			cpu_port1: port {

				cpu_endpoint1: endpoint {

					remote-endpoint = <&codec_endpoint1>;

					dai-format = "left_j";

					...

				};

			};

		};

	};

CS35L36 Speaker Amplifier

Required properties:

  - compatible : "cirrus,cs35l36"

  - reg : the I2C address of the device for I2C

  - VA-supply, VP-supply : power supplies for the device,

  as covered in

  Documentation/devicetree/bindings/regulator/regulator.txt.

  - cirrus,boost-ctl-millivolt : Boost Voltage Value.  Configures the boost

  converter's output voltage in mV. The range is from 2550mV to 12000mV with

  increments of 50mV.

  (Default) VP

  - cirrus,boost-peak-milliamp : Boost-converter peak current limit in mA.

  Configures the peak current by monitoring the current through the boost FET.

  Range starts at 1600mA and goes to a maximum of 4500mA with increments of

  50mA.

  (Default) 4.50 Amps

  - cirrus,boost-ind-nanohenry : Inductor estimation LBST reference value.

  Seeds the digital boost converter's inductor estimation block with the initial

  inductance value to reference.

  1000 = 1uH (Default)

  1200 = 1.2uH

Optional properties:

  - cirrus,multi-amp-mode : Boolean to determine if there are more than

  one amplifier in the system. If more than one it is best to Hi-Z the ASP

  port to prevent bus contention on the output signal

  - cirrus,boost-ctl-select : Boost conerter control source selection.

  Selects the source of the BST_CTL target VBST voltage for the boost

  converter to generate.

  0x00 - Control Port Value

  0x01 - Class H Tracking (Default)

  0x10 - MultiDevice Sync Value

  - cirrus,amp-pcm-inv : Boolean to determine Amplifier will invert incoming

  PCM data

  - cirrus,imon-pol-inv : Boolean to determine Amplifier will invert the

  polarity of outbound IMON feedback data

  - cirrus,vmon-pol-inv : Boolean to determine Amplifier will invert the

  polarity of outbound VMON feedback data

  - cirrus,dcm-mode-enable : Boost converter automatic DCM Mode enable.

  This enables the digital boost converter to operate in a low power

  (Discontinuous Conduction) mode during low loading conditions.

  - cirrus,weak-fet-disable : Boolean : The strength of the output drivers is

  reduced when operating in a Weak-FET Drive Mode and must not be used to drive

  a large load.

  - cirrus,classh-wk-fet-delay :  Weak-FET entry delay. Controls the delay

  (in ms) before the Class H algorithm switches to the weak-FET voltage

  (after the audio falls and remains below the value specified in WKFET_AMP_THLD).

  0 = 0ms

  1 = 5ms

  2 = 10ms

  3 = 50ms

  4 = 100ms (Default)

  5 = 200ms

  6 = 500ms

  7 = 1000ms

  - cirrus,classh-weak-fet-thld-millivolt : Weak-FET amplifier drive threshold.

  Configures the signal threshold at which the PWM output stage enters

  weak-FET operation. The range is 50mV to 700mV in 50mV increments.

  - cirrus,temp-warn-threshold :  Amplifier overtemperature warning threshold.

  Configures the threshold at which the overtemperature warning condition occurs.

  When the threshold is met, the overtemperature warning attenuation is applied

  and the TEMP_WARN_EINT interrupt status bit is set.

  If TEMP_WARN_MASK = 0, INTb is asserted.

  0 = 105C

  1 = 115C

  2 = 125C (Default)

  3 = 135C

  - cirrus,irq-drive-select : Selects the driver type of the selected interrupt

  output.

  0 = Open-drain

  1 = Push-pull (Default)

  - cirrus,irq-gpio-select : Selects the pin to serve as the programmable

  interrupt output.

  0 = PDM_DATA / SWIRE_SD / INT (Default)

  1 = GPIO

Optional properties for the "cirrus,vpbr-config" Sub-node

  - cirrus,vpbr-en : VBST brownout prevention enable. Configures whether the

  VBST brownout prevention algorithm is enabled or disabled.

  0 = VBST brownout prevention disabled (default)

  1 = VBST brownout prevention enabled

  See Section 7.31.1 VPBR Config for configuration options & further details

  - cirrus,vpbr-thld : Initial VPBR threshold. Configures the VP brownout

  threshold voltage

  - cirrus,cirrus,vpbr-atk-rate : Attenuation attack step rate. Configures the

  amount delay between consecutive volume attenuation steps when a brownout

  condition is present and the VP brownout condition is in an attacking state.

  - cirrus,vpbr-atk-vol : VP brownout prevention step size. Configures the VP

  brownout prevention attacking attenuation step size when operating in either

  digital volume or analog gain modes.

  - cirrus,vpbr-max-attn : Maximum attenuation that the VP brownout prevention

  can apply to the audio signal.

  - cirrus,vpbr-wait : Configures the delay time between a brownout condition

  no longer being present and the VP brownout prevention entering an attenuation

  release state.

  - cirrus,vpbr-rel-rate : Attenuation release step rate. Configures the delay

  between consecutive volume attenuation release steps when a brownout condition

  is not longer present and the VP brownout is in an attenuation release state.

  - cirrus,vpbr-mute-en : During the attack state, if the vpbr-max-attn value

  is reached, the error condition still remains, and this bit is set, the audio

  is muted.

Example:

cs35l36: cs35l36@40 {

	compatible = "cirrus,cs35l36";

	reg = <0x40>;

	VA-supply = <&dummy_vreg>;

	VP-supply = <&dummy_vreg>;

	reset-gpios = <&gpio0 54 0>;

	interrupt-parent = <&gpio8>;

	interrupts = <3 IRQ_TYPE_LEVEL_LOW>;

	cirrus,boost-ind-nanohenry = <1000>;

	cirrus,boost-ctl-millivolt = <10000>;

	cirrus,boost-peak-milliamp = <4500>;

	cirrus,boost-ctl-select = <0x00>;

	cirrus,weak-fet-delay = <0x04>;

	cirrus,weak-fet-thld = <0x01>;

	cirrus,temp-warn-threshold = <0x01>;

	cirrus,multi-amp-mode;

	cirrus,irq-drive-select = <0x01>;

	cirrus,irq-gpio-select = <0x01>;

	cirrus,vpbr-config {

		cirrus,vpbr-en = <0x00>;

		cirrus,vpbr-thld = <0x05>;

		cirrus,vpbr-atk-rate = <0x02>;

		cirrus,vpbr-atk-vol = <0x01>;

		cirrus,vpbr-max-attn = <0x09>;

		cirrus,vpbr-wait = <0x01>;

		cirrus,vpbr-rel-rate = <0x05>;

		cirrus,vpbr-mute-en = <0x00>;

	};

};

Cirrus Logic CS4341 audio DAC

This device supports both I2C and SPI (configured with pin strapping

on the board).

Required properties:

  - compatible: "cirrus,cs4341a"

  - reg : the I2C address of the device for I2C, the chip select

          number for SPI.

For required properties on I2C-bus, please consult

Documentation/devicetree/bindings/i2c/i2c.txt

For required properties on SPI-bus, please consult

Documentation/devicetree/bindings/spi/spi-bus.txt

Example:

	codec: cs4341@0 {

		#sound-dai-cells = <0>;

		compatible = "cirrus,cs4341a";

		reg = <0>;

		spi-max-frequency = <6000000>;

	};