diff options
Diffstat (limited to 'Documentation/devicetree')
17 files changed, 227 insertions, 46 deletions
diff --git a/Documentation/devicetree/bindings/sound/cs43130.txt b/Documentation/devicetree/bindings/sound/cs43130.txt new file mode 100644 index 000000000000..8b1dd5aeb004 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/cs43130.txt @@ -0,0 +1,67 @@ +CS43130 DAC + +Required properties: + + - compatible : "cirrus,cs43130", "cirrus,cs4399", "cirrus,cs43131", + "cirrus,cs43198" + + - reg : the I2C address of the device for I2C + + - VA-supply, VP-supply, VL-supply, VCP-supply, VD-supply: + power supplies for the device, as covered in + Documentation/devicetree/bindings/regulator/regulator.txt. + + +Optional properties: + + - reset-gpios : Active low GPIO used to reset the device + + - cirrus,xtal-ibias: + When external MCLK is generated by external crystal + oscillator, CS43130 can be used to provide bias current + for external crystal. Amount of bias current sent is + set as: + 1 = 7.5uA + 2 = 12.5uA + 3 = 15uA + + - cirrus,dc-measure: + Boolean, define to enable headphone DC impedance measurement. + + - cirrus,ac-measure: + Boolean, define to enable headphone AC impedance measurement. + DC impedance must also be enabled for AC impedance measurement. + + - cirrus,dc-threshold: + Define 2 DC impedance thresholds in ohms for HP output control. + Default values are 50 and 120 Ohms. + + - cirrus,ac-freq: + Define the frequencies at which to measure HP AC impedance. + Only used if "cirrus,dc-measure" is defined. + Exactly 10 frequencies must be defined. + If this properties is undefined, by default, + following frequencies are used: + <24 43 93 200 431 928 2000 4309 9283 20000> + The above frequencies are logarithmically equally spaced. + Log base is 10. + +Example: + +cs43130: audio-codec@30 { + compatible = "cirrus,cs43130"; + reg = <0x30>; + reset-gpios = <&axi_gpio 54 0>; + VA-supply = <&dummy_vreg>; + VP-supply = <&dummy_vreg>; + VL-supply = <&dummy_vreg>; + VCP-supply = <&dummy_vreg>; + VD-supply = <&dummy_vreg>; + cirrus,xtal-ibias = <2>; + interrupt-parent = <&gpio0>; + interrupts = <55 8>; + cirrus,dc-measure; + cirrus,ac-measure; + cirrus,dc-threshold = /bits/ 16 <20 100>; + cirrus,ac-freq = /bits/ 16 <24 43 93 200 431 928 2000 4309 9283 20000>; +}; diff --git a/Documentation/devicetree/bindings/sound/dmic.txt b/Documentation/devicetree/bindings/sound/dmic.txt new file mode 100644 index 000000000000..54c8ef6498a8 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/dmic.txt @@ -0,0 +1,16 @@ +Device-Tree bindings for Digital microphone (DMIC) codec + +This device support generic PDM digital microphone. + +Required properties: + - compatible: should be "dmic-codec". + +Optional properties: + - dmicen-gpios: GPIO specifier for dmic to control start and stop + +Example node: + + dmic_codec: dmic@0 { + compatible = "dmic-codec"; + dmicen-gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>; + }; diff --git a/Documentation/devicetree/bindings/sound/mt2701-afe-pcm.txt b/Documentation/devicetree/bindings/sound/mt2701-afe-pcm.txt index 9800a560e0c2..77a57f84bed4 100644 --- a/Documentation/devicetree/bindings/sound/mt2701-afe-pcm.txt +++ b/Documentation/devicetree/bindings/sound/mt2701-afe-pcm.txt @@ -3,7 +3,8 @@ Mediatek AFE PCM controller for mt2701 Required properties: - compatible = "mediatek,mt2701-audio"; - reg: register location and size -- interrupts: Should contain AFE interrupt +- interrupts: should contain AFE and ASYS interrupts +- interrupt-names: should be "afe" and "asys" - power-domains: should define the power domain - clock-names: should have these clock names: "infra_sys_audio_clk", @@ -59,6 +60,7 @@ Example: <0 0x112A0000 0 0x20000>; interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_LOW>, <GIC_SPI 132 IRQ_TYPE_LEVEL_LOW>; + interrupt-names = "afe", "asys"; power-domains = <&scpsys MT2701_POWER_DOMAIN_IFR_MSC>; clocks = <&infracfg CLK_INFRA_AUDIO>, <&topckgen CLK_TOP_AUD_MUX1_SEL>, diff --git a/Documentation/devicetree/bindings/sound/qcom,msm8916-wcd-analog.txt b/Documentation/devicetree/bindings/sound/qcom,msm8916-wcd-analog.txt index ccb401cfef9d..551ecab67efe 100644 --- a/Documentation/devicetree/bindings/sound/qcom,msm8916-wcd-analog.txt +++ b/Documentation/devicetree/bindings/sound/qcom,msm8916-wcd-analog.txt @@ -31,8 +31,22 @@ Required properties - vdd-cdc-io-supply: phandle to VDD_CDC_IO regulator DT node. - vdd-cdc-tx-rx-cx-supply: phandle to VDD_CDC_TX/RX/CX regulator DT node. - vdd-micbias-supply: phandle of VDD_MICBIAS supply's regulator DT node. - Optional Properties: + - qcom,mbhc-vthreshold-low: Array of 5 threshold voltages in mV for 5 buttons + detection on headset when the mbhc is powered up + by internal current source, this is a low power. + - qcom,mbhc-vthreshold-high: Array of 5 thresold voltages in mV for 5 buttons + detection on headset when mbhc is powered up + from micbias. +- qcom,micbias-lvl: Voltage (mV) for Mic Bias +- qcom,hphl-jack-type-normally-open: boolean, present if hphl pin on jack is a + NO (Normally Open). If not specified, then + its assumed that hphl pin on jack is NC + (Normally Closed). +- qcom,gnd-jack-type-normally-open: boolean, present if gnd pin on jack is + NO (Normally Open). If not specified, then + its assumed that gnd pin on jack is NC + (Normally Closed). - qcom,micbias1-ext-cap: boolean, present if micbias1 has external capacitor connected. - qcom,micbias2-ext-cap: boolean, present if micbias2 has external capacitor @@ -48,6 +62,8 @@ spmi_bus { reg-names = "pmic-codec-core"; clocks = <&gcc GCC_CODEC_DIGCODEC_CLK>; clock-names = "mclk"; + qcom,mbhc-vthreshold-low = <75 150 237 450 500>; + qcom,mbhc-vthreshold-high = <75 150 237 450 500>; interrupt-parent = <&spmi_bus>; interrupts = <0x1 0xf0 0x0 IRQ_TYPE_NONE>, <0x1 0xf0 0x1 IRQ_TYPE_NONE>, diff --git a/Documentation/devicetree/bindings/sound/renesas,rsnd.txt b/Documentation/devicetree/bindings/sound/renesas,rsnd.txt index 7246bb268bf9..a1536fdc60e6 100644 --- a/Documentation/devicetree/bindings/sound/renesas,rsnd.txt +++ b/Documentation/devicetree/bindings/sound/renesas,rsnd.txt @@ -199,10 +199,10 @@ Ex) sound { compatible = "simple-scu-audio-card"; ... - simple-audio-card,cpu@0 { + simple-audio-card,cpu-0 { sound-dai = <&rcar_sound 0>; }; - simple-audio-card,cpu@1 { + simple-audio-card,cpu-1 { sound-dai = <&rcar_sound 1>; }; simple-audio-card,codec { @@ -441,79 +441,79 @@ rcar_sound: sound@ec500000 { "clk_a", "clk_b", "clk_c", "clk_i"; rcar_sound,dvc { - dvc0: dvc@0 { + dvc0: dvc-0 { dmas = <&audma0 0xbc>; dma-names = "tx"; }; - dvc1: dvc@1 { + dvc1: dvc-1 { dmas = <&audma0 0xbe>; dma-names = "tx"; }; }; rcar_sound,mix { - mix0: mix@0 { }; - mix1: mix@1 { }; + mix0: mix-0 { }; + mix1: mix-1 { }; }; rcar_sound,ctu { - ctu00: ctu@0 { }; - ctu01: ctu@1 { }; - ctu02: ctu@2 { }; - ctu03: ctu@3 { }; - ctu10: ctu@4 { }; - ctu11: ctu@5 { }; - ctu12: ctu@6 { }; - ctu13: ctu@7 { }; + ctu00: ctu-0 { }; + ctu01: ctu-1 { }; + ctu02: ctu-2 { }; + ctu03: ctu-3 { }; + ctu10: ctu-4 { }; + ctu11: ctu-5 { }; + ctu12: ctu-6 { }; + ctu13: ctu-7 { }; }; rcar_sound,src { - src0: src@0 { + src0: src-0 { interrupts = <0 352 IRQ_TYPE_LEVEL_HIGH>; dmas = <&audma0 0x85>, <&audma1 0x9a>; dma-names = "rx", "tx"; }; - src1: src@1 { + src1: src-1 { interrupts = <0 353 IRQ_TYPE_LEVEL_HIGH>; dmas = <&audma0 0x87>, <&audma1 0x9c>; dma-names = "rx", "tx"; }; - src2: src@2 { + src2: src-2 { interrupts = <0 354 IRQ_TYPE_LEVEL_HIGH>; dmas = <&audma0 0x89>, <&audma1 0x9e>; dma-names = "rx", "tx"; }; - src3: src@3 { + src3: src-3 { interrupts = <0 355 IRQ_TYPE_LEVEL_HIGH>; dmas = <&audma0 0x8b>, <&audma1 0xa0>; dma-names = "rx", "tx"; }; - src4: src@4 { + src4: src-4 { interrupts = <0 356 IRQ_TYPE_LEVEL_HIGH>; dmas = <&audma0 0x8d>, <&audma1 0xb0>; dma-names = "rx", "tx"; }; - src5: src@5 { + src5: src-5 { interrupts = <0 357 IRQ_TYPE_LEVEL_HIGH>; dmas = <&audma0 0x8f>, <&audma1 0xb2>; dma-names = "rx", "tx"; }; - src6: src@6 { + src6: src-6 { interrupts = <0 358 IRQ_TYPE_LEVEL_HIGH>; dmas = <&audma0 0x91>, <&audma1 0xb4>; dma-names = "rx", "tx"; }; - src7: src@7 { + src7: src-7 { interrupts = <0 359 IRQ_TYPE_LEVEL_HIGH>; dmas = <&audma0 0x93>, <&audma1 0xb6>; dma-names = "rx", "tx"; }; - src8: src@8 { + src8: src-8 { interrupts = <0 360 IRQ_TYPE_LEVEL_HIGH>; dmas = <&audma0 0x95>, <&audma1 0xb8>; dma-names = "rx", "tx"; }; - src9: src@9 { + src9: src-9 { interrupts = <0 361 IRQ_TYPE_LEVEL_HIGH>; dmas = <&audma0 0x97>, <&audma1 0xba>; dma-names = "rx", "tx"; @@ -521,52 +521,52 @@ rcar_sound: sound@ec500000 { }; rcar_sound,ssi { - ssi0: ssi@0 { + ssi0: ssi-0 { interrupts = <0 370 IRQ_TYPE_LEVEL_HIGH>; dmas = <&audma0 0x01>, <&audma1 0x02>, <&audma0 0x15>, <&audma1 0x16>; dma-names = "rx", "tx", "rxu", "txu"; }; - ssi1: ssi@1 { + ssi1: ssi-1 { interrupts = <0 371 IRQ_TYPE_LEVEL_HIGH>; dmas = <&audma0 0x03>, <&audma1 0x04>, <&audma0 0x49>, <&audma1 0x4a>; dma-names = "rx", "tx", "rxu", "txu"; }; - ssi2: ssi@2 { + ssi2: ssi-2 { interrupts = <0 372 IRQ_TYPE_LEVEL_HIGH>; dmas = <&audma0 0x05>, <&audma1 0x06>, <&audma0 0x63>, <&audma1 0x64>; dma-names = "rx", "tx", "rxu", "txu"; }; - ssi3: ssi@3 { + ssi3: ssi-3 { interrupts = <0 373 IRQ_TYPE_LEVEL_HIGH>; dmas = <&audma0 0x07>, <&audma1 0x08>, <&audma0 0x6f>, <&audma1 0x70>; dma-names = "rx", "tx", "rxu", "txu"; }; - ssi4: ssi@4 { + ssi4: ssi-4 { interrupts = <0 374 IRQ_TYPE_LEVEL_HIGH>; dmas = <&audma0 0x09>, <&audma1 0x0a>, <&audma0 0x71>, <&audma1 0x72>; dma-names = "rx", "tx", "rxu", "txu"; }; - ssi5: ssi@5 { + ssi5: ssi-5 { interrupts = <0 375 IRQ_TYPE_LEVEL_HIGH>; dmas = <&audma0 0x0b>, <&audma1 0x0c>, <&audma0 0x73>, <&audma1 0x74>; dma-names = "rx", "tx", "rxu", "txu"; }; - ssi6: ssi@6 { + ssi6: ssi-6 { interrupts = <0 376 IRQ_TYPE_LEVEL_HIGH>; dmas = <&audma0 0x0d>, <&audma1 0x0e>, <&audma0 0x75>, <&audma1 0x76>; dma-names = "rx", "tx", "rxu", "txu"; }; - ssi7: ssi@7 { + ssi7: ssi-7 { interrupts = <0 377 IRQ_TYPE_LEVEL_HIGH>; dmas = <&audma0 0x0f>, <&audma1 0x10>, <&audma0 0x79>, <&audma1 0x7a>; dma-names = "rx", "tx", "rxu", "txu"; }; - ssi8: ssi@8 { + ssi8: ssi-8 { interrupts = <0 378 IRQ_TYPE_LEVEL_HIGH>; dmas = <&audma0 0x11>, <&audma1 0x12>, <&audma0 0x7b>, <&audma1 0x7c>; dma-names = "rx", "tx", "rxu", "txu"; }; - ssi9: ssi@9 { + ssi9: ssi-9 { interrupts = <0 379 IRQ_TYPE_LEVEL_HIGH>; dmas = <&audma0 0x13>, <&audma1 0x14>, <&audma0 0x7d>, <&audma1 0x7e>; dma-names = "rx", "tx", "rxu", "txu"; diff --git a/Documentation/devicetree/bindings/sound/rockchip,pdm.txt b/Documentation/devicetree/bindings/sound/rockchip,pdm.txt index 921729de7346..2ad66f649a28 100644 --- a/Documentation/devicetree/bindings/sound/rockchip,pdm.txt +++ b/Documentation/devicetree/bindings/sound/rockchip,pdm.txt @@ -29,11 +29,14 @@ pdm: pdm@ff040000 { dma-names = "rx"; pinctrl-names = "default", "sleep"; pinctrl-0 = <&pdmm0_clk - &pdmm0_fsync &pdmm0_sdi0 &pdmm0_sdi1 &pdmm0_sdi2 &pdmm0_sdi3>; - pinctrl-1 = <&pdmm0_sleep>; + pinctrl-1 = <&pdmm0_clk_sleep + &pdmm0_sdi0_sleep + &pdmm0_sdi1_sleep + &pdmm0_sdi2_sleep + &pdmm0_sdi3_sleep>; status = "disabled"; }; diff --git a/Documentation/devicetree/bindings/sound/rockchip,rk3399-gru-sound.txt b/Documentation/devicetree/bindings/sound/rockchip,rk3399-gru-sound.txt index eac91db07178..72d3cf4c2606 100644 --- a/Documentation/devicetree/bindings/sound/rockchip,rk3399-gru-sound.txt +++ b/Documentation/devicetree/bindings/sound/rockchip,rk3399-gru-sound.txt @@ -4,7 +4,7 @@ Required properties: - compatible: "rockchip,rk3399-gru-sound" - rockchip,cpu: The phandle of the Rockchip I2S controller that's connected to the codecs -- rockchip,codec: The phandle of the MAX98357A/RT5514/DA7219 codecs +- rockchip,codec: The phandle of the audio codecs Optional properties: - dmic-wakeup-delay-ms : specify delay time (ms) for DMIC ready. diff --git a/Documentation/devicetree/bindings/sound/rockchip-i2s.txt b/Documentation/devicetree/bindings/sound/rockchip-i2s.txt index 206aba1b34bb..b208a752576c 100644 --- a/Documentation/devicetree/bindings/sound/rockchip-i2s.txt +++ b/Documentation/devicetree/bindings/sound/rockchip-i2s.txt @@ -7,8 +7,12 @@ Required properties: - compatible: should be one of the following: - "rockchip,rk3066-i2s": for rk3066 + - "rockchip,rk3036-i2s", "rockchip,rk3066-i2s": for rk3036 - "rockchip,rk3188-i2s", "rockchip,rk3066-i2s": for rk3188 + - "rockchip,rk3228-i2s", "rockchip,rk3066-i2s": for rk3228 - "rockchip,rk3288-i2s", "rockchip,rk3066-i2s": for rk3288 + - "rockchip,rk3328-i2s", "rockchip,rk3066-i2s": for rk3328 + - "rockchip,rk3366-i2s", "rockchip,rk3066-i2s": for rk3366 - "rockchip,rk3368-i2s", "rockchip,rk3066-i2s": for rk3368 - "rockchip,rk3399-i2s", "rockchip,rk3066-i2s": for rk3399 - reg: physical base address of the controller and length of memory mapped diff --git a/Documentation/devicetree/bindings/sound/rt274.txt b/Documentation/devicetree/bindings/sound/rt274.txt new file mode 100644 index 000000000000..e9a6178c78cf --- /dev/null +++ b/Documentation/devicetree/bindings/sound/rt274.txt @@ -0,0 +1,33 @@ +RT274 audio CODEC + +This device supports I2C only. + +Required properties: + +- compatible : "realtek,rt274". + +- reg : The I2C address of the device. + +Optional properties: + +- interrupts : The CODEC's interrupt output. + + +Pins on the device (for linking into audio routes) for RT274: + + * DMIC1 Pin + * DMIC2 Pin + * MIC + * LINE1 + * LINE2 + * HPO Pin + * SPDIF + * LINE3 + +Example: + +codec: rt274@1c { + compatible = "realtek,rt274"; + reg = <0x1c>; + interrupts = <7 IRQ_TYPE_EDGE_FALLING>; +}; diff --git a/Documentation/devicetree/bindings/sound/rt5663.txt b/Documentation/devicetree/bindings/sound/rt5663.txt index 70eaeaed2b18..ff381718c517 100644 --- a/Documentation/devicetree/bindings/sound/rt5663.txt +++ b/Documentation/devicetree/bindings/sound/rt5663.txt @@ -12,6 +12,14 @@ Required properties: Optional properties: +- "realtek,dc_offset_l_manual" +- "realtek,dc_offset_r_manual" +- "realtek,dc_offset_l_manual_mic" +- "realtek,dc_offset_r_manual_mic" + Based on the different PCB layout, add the manual offset value to + compensate the DC offset for each L and R channel, and they are different + between headphone and headset. + Pins on the device (for linking into audio routes) for RT5663: * IN1P diff --git a/Documentation/devicetree/bindings/sound/samsung,odroid.txt b/Documentation/devicetree/bindings/sound/samsung,odroid.txt index c30934dd975b..625b1b18fd02 100644 --- a/Documentation/devicetree/bindings/sound/samsung,odroid.txt +++ b/Documentation/devicetree/bindings/sound/samsung,odroid.txt @@ -7,9 +7,6 @@ Required properties: - model - the user-visible name of this sound complex - clocks - should contain entries matching clock names in the clock-names property - - clock-names - should contain following entries: - - "epll" - indicating the EPLL output clock - - "i2s_rclk" - indicating the RCLK (root) clock of the I2S0 controller - samsung,audio-widgets - this property specifies off-codec audio elements like headphones or speakers, for details see widgets.txt - samsung,audio-routing - a list of the connections between audio @@ -46,9 +43,6 @@ sound { "IN1", "Mic Jack", "Mic Jack", "MICBIAS"; - clocks = <&clock CLK_FOUT_EPLL>, <&i2s0 CLK_I2S_RCLK_SRC>; - clock-names = "epll", "sclk_i2s"; - cpu { sound-dai = <&i2s0 0>; }; diff --git a/Documentation/devicetree/bindings/sound/simple-card.txt b/Documentation/devicetree/bindings/sound/simple-card.txt index c7a93931fad2..166f2290233b 100644 --- a/Documentation/devicetree/bindings/sound/simple-card.txt +++ b/Documentation/devicetree/bindings/sound/simple-card.txt @@ -86,6 +86,9 @@ Optional CPU/CODEC subnodes properties: in dai startup() and disabled with clk_disable_unprepare() in dai shutdown(). +- system-clock-direction-out : specifies clock direction as 'out' on + initialization. It is useful for some aCPUs with + fixed clocks. Example 1 - single DAI link: diff --git a/Documentation/devicetree/bindings/sound/simple-scu-card.txt b/Documentation/devicetree/bindings/sound/simple-scu-card.txt index 327d229a51b2..32f8dbce5241 100644 --- a/Documentation/devicetree/bindings/sound/simple-scu-card.txt +++ b/Documentation/devicetree/bindings/sound/simple-scu-card.txt @@ -24,6 +24,7 @@ Optional subnode properties: - simple-audio-card,convert-rate : platform specified sampling rate convert - simple-audio-card,convert-channels : platform specified converted channel size (2 - 8 ch) - simple-audio-card,prefix : see routing +- simple-audio-card,widgets : Please refer to widgets.txt. - simple-audio-card,routing : A list of the connections between audio components. Each entry is a pair of strings, the first being the connection's sink, the second being the connection's source. Valid names for sources. diff --git a/Documentation/devicetree/bindings/sound/sun4i-i2s.txt b/Documentation/devicetree/bindings/sound/sun4i-i2s.txt index ee21da865771..fc5da6080759 100644 --- a/Documentation/devicetree/bindings/sound/sun4i-i2s.txt +++ b/Documentation/devicetree/bindings/sound/sun4i-i2s.txt @@ -8,6 +8,7 @@ Required properties: - compatible: should be one of the following: - "allwinner,sun4i-a10-i2s" - "allwinner,sun6i-a31-i2s" + - "allwinner,sun8i-h3-i2s" - reg: physical base address of the controller and length of memory mapped region. - interrupts: should contain the I2S interrupt. @@ -22,6 +23,7 @@ Required properties: Required properties for the following compatibles: - "allwinner,sun6i-a31-i2s" + - "allwinner,sun8i-h3-i2s" - resets: phandle to the reset line for this codec Example: diff --git a/Documentation/devicetree/bindings/sound/tlv320aic32x4.txt b/Documentation/devicetree/bindings/sound/tlv320aic32x4.txt index 5e2741af27be..ca75890f0d07 100644 --- a/Documentation/devicetree/bindings/sound/tlv320aic32x4.txt +++ b/Documentation/devicetree/bindings/sound/tlv320aic32x4.txt @@ -3,7 +3,9 @@ Texas Instruments - tlv320aic32x4 Codec module The tlv320aic32x4 serial control bus communicates through I2C protocols Required properties: - - compatible: Should be "ti,tlv320aic32x4" + - compatible - "string" - One of: + "ti,tlv320aic32x4" TLV320AIC3204 + "ti,tlv320aic32x6" TLV320AIC3206, TLV320AIC3256 - reg: I2C slave address - supply-*: Required supply regulators are: "iov" - digital IO power supply @@ -18,6 +20,8 @@ Optional properties: - reset-gpios: Reset-GPIO phandle with args as described in gpio/gpio.txt - clocks/clock-names: Clock named 'mclk' for the master clock of the codec. See clock/clock-bindings.txt for information about the detailed format. + - aic32x4-gpio-func - <array of 5 int> + - Types are defined in include/sound/tlv320aic32x4.h Example: @@ -27,4 +31,11 @@ codec: tlv320aic32x4@18 { reg = <0x18>; clocks = <&clks 201>; clock-names = "mclk"; + aic32x4-gpio-func= < + 0xff /* AIC32X4_MFPX_DEFAULT_VALUE */ + 0xff /* AIC32X4_MFPX_DEFAULT_VALUE */ + 0x04 /* MFP3 AIC32X4_MFP3_GPIO_ENABLED */ + 0xff /* AIC32X4_MFPX_DEFAULT_VALUE */ + 0x08 /* MFP5 AIC32X4_MFP5_GPIO_INPUT */ + >; }; diff --git a/Documentation/devicetree/bindings/sound/tlv320aic3x.txt b/Documentation/devicetree/bindings/sound/tlv320aic3x.txt index 47a213c411ce..ba5b45c483f5 100644 --- a/Documentation/devicetree/bindings/sound/tlv320aic3x.txt +++ b/Documentation/devicetree/bindings/sound/tlv320aic3x.txt @@ -26,6 +26,11 @@ Optional properties: 3 - MICBIAS output is connected to AVDD, If this node is not mentioned or if the value is incorrect, then MicBias is powered down. +- ai3x-ocmv - Output Common-Mode Voltage selection: + 0 - 1.35V, + 1 - 1.5V, + 2 - 1.65V, + 3 - 1.8V - AVDD-supply, IOVDD-supply, DRVDD-supply, DVDD-supply : power supplies for the device as covered in Documentation/devicetree/bindings/regulator/regulator.txt diff --git a/Documentation/devicetree/bindings/sound/wm8524.txt b/Documentation/devicetree/bindings/sound/wm8524.txt new file mode 100644 index 000000000000..20c62002cbcd --- /dev/null +++ b/Documentation/devicetree/bindings/sound/wm8524.txt @@ -0,0 +1,16 @@ +WM8524 audio CODEC + +This device does not use I2C or SPI but a simple Hardware Control Interface. + +Required properties: + + - compatible : "wlf,wm8524" + + - wlf,mute-gpios: a GPIO spec for the MUTE pin. + +Example: + +codec: wm8524@0 { + compatible = "wlf,wm8524"; + wlf,mute-gpios = <&gpio1 8 GPIO_ACTIVE_LOW>; +}; |