diff options
Diffstat (limited to 'Documentation/devicetree/bindings/sound')
18 files changed, 333 insertions, 223 deletions
diff --git a/Documentation/devicetree/bindings/sound/ak4458.txt b/Documentation/devicetree/bindings/sound/ak4458.txt index 7839be78448d..e5820235e0d5 100644 --- a/Documentation/devicetree/bindings/sound/ak4458.txt +++ b/Documentation/devicetree/bindings/sound/ak4458.txt @@ -4,7 +4,7 @@ This device supports I2C mode. 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: diff --git a/Documentation/devicetree/bindings/sound/audio-graph-scu-card.txt b/Documentation/devicetree/bindings/sound/audio-graph-scu-card.txt deleted file mode 100644 index 62d42768a00b..000000000000 --- a/Documentation/devicetree/bindings/sound/audio-graph-scu-card.txt +++ /dev/null @@ -1,123 +0,0 @@ -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"; - ... - }; - }; - }; - }; diff --git a/Documentation/devicetree/bindings/sound/cs4341.txt b/Documentation/devicetree/bindings/sound/cs4341.txt new file mode 100644 index 000000000000..12b4aa8ef0db --- /dev/null +++ b/Documentation/devicetree/bindings/sound/cs4341.txt @@ -0,0 +1,22 @@ +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>; + }; diff --git a/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt b/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt index b279b6072bd5..a58f79f5345c 100644 --- a/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt +++ b/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt @@ -45,6 +45,23 @@ Optional properties: - fck_parent : Should contain a valid clock name which will be used as parent for the McASP fck +Optional GPIO support: +If any McASP pin need to be used as GPIO then the McASP node must have: +... + gpio-controller + #gpio-cells = <2>; +... + +When requesting a GPIO, the first parameter is the PIN index in McASP_P* +registers. +For example to request the AXR2 pin of mcasp8: +function-gpios = <&mcasp8 2 0>; + +Or to request the ACLKR pin of mcasp8: +function-gpios = <&mcasp8 29 0>; + +For generic gpio information, please refer to bindings/gpio/gpio.txt + Example: mcasp0: mcasp0@1d00000 { diff --git a/Documentation/devicetree/bindings/sound/fsl,micfil.txt b/Documentation/devicetree/bindings/sound/fsl,micfil.txt new file mode 100644 index 000000000000..53e227b15277 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/fsl,micfil.txt @@ -0,0 +1,32 @@ +NXP MICFIL Digital Audio Interface (MICFIL). + +The MICFIL digital interface provides a 16-bit audio signal from a PDM +microphone bitstream in a configurable output sampling rate. + +Required properties: + + - compatible : Compatible list, contains "fsl,imx8mm-micfil" + + - reg : Offset and length of the register set for the device. + + - interrupts : Contains the micfil interrupts. + + - clocks : Must contain an entry for each entry in clock-names. + + - clock-names : Must include the "ipg_clk" for register access and + "ipg_clk_app" for internal micfil clock. + + - dmas : Generic dma devicetree binding as described in + Documentation/devicetree/bindings/dma/dma.txt. + +Example: +micfil: micfil@30080000 { + compatible = "fsl,imx8mm-micfil"; + reg = <0x0 0x30080000 0x0 0x10000>; + interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clk IMX8MM_CLK_PDM_IPG>, + <&clk IMX8MM_CLK_PDM_ROOT>; + clock-names = "ipg_clk", "ipg_clk_app"; + dmas = <&sdma2 24 26 0x80000000>; +}; diff --git a/Documentation/devicetree/bindings/sound/google,cros-ec-codec.txt b/Documentation/devicetree/bindings/sound/google,cros-ec-codec.txt new file mode 100644 index 000000000000..1084f7f22eea --- /dev/null +++ b/Documentation/devicetree/bindings/sound/google,cros-ec-codec.txt @@ -0,0 +1,26 @@ +* Audio codec controlled by ChromeOS EC + +Google's ChromeOS EC codec is a digital mic codec provided by the +Embedded Controller (EC) and is controlled via a host-command interface. + +An EC codec node should only be found as a sub-node of the EC node (see +Documentation/devicetree/bindings/mfd/cros-ec.txt). + +Required properties: +- compatible: Must contain "google,cros-ec-codec" +- #sound-dai-cells: Should be 1. The cell specifies number of DAIs. +- max-dmic-gain: A number for maximum gain in dB on digital microphone. + +Example: + +cros-ec@0 { + compatible = "google,cros-ec-spi"; + + ... + + cros_ec_codec: ec-codec { + compatible = "google,cros-ec-codec"; + #sound-dai-cells = <1>; + max-dmic-gain = <43>; + }; +}; diff --git a/Documentation/devicetree/bindings/sound/ingenic,jz4725b-codec.txt b/Documentation/devicetree/bindings/sound/ingenic,jz4725b-codec.txt new file mode 100644 index 000000000000..05adc0d47b13 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/ingenic,jz4725b-codec.txt @@ -0,0 +1,20 @@ +Ingenic JZ4725B codec controller + +Required properties: +- compatible : "ingenic,jz4725b-codec" +- reg : codec registers location and length +- clocks : phandle to the AIC clock. +- clock-names: must be set to "aic". +- #sound-dai-cells: Must be set to 0. + +Example: + +codec: audio-codec@100200a4 { + compatible = "ingenic,jz4725b-codec"; + reg = <0x100200a4 0x8>; + + #sound-dai-cells = <0>; + + clocks = <&cgu JZ4725B_CLK_AIC>; + clock-names = "aic"; +}; diff --git a/Documentation/devicetree/bindings/sound/ingenic,jz4740-codec.txt b/Documentation/devicetree/bindings/sound/ingenic,jz4740-codec.txt new file mode 100644 index 000000000000..1ffcade87e7b --- /dev/null +++ b/Documentation/devicetree/bindings/sound/ingenic,jz4740-codec.txt @@ -0,0 +1,20 @@ +Ingenic JZ4740 codec controller + +Required properties: +- compatible : "ingenic,jz4740-codec" +- reg : codec registers location and length +- clocks : phandle to the AIC clock. +- clock-names: must be set to "aic". +- #sound-dai-cells: Must be set to 0. + +Example: + +codec: audio-codec@10020080 { + compatible = "ingenic,jz4740-codec"; + reg = <0x10020080 0x8>; + + #sound-dai-cells = <0>; + + clocks = <&cgu JZ4740_CLK_AIC>; + clock-names = "aic"; +}; diff --git a/Documentation/devicetree/bindings/sound/mt6358.txt b/Documentation/devicetree/bindings/sound/mt6358.txt new file mode 100644 index 000000000000..5465730013a1 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/mt6358.txt @@ -0,0 +1,18 @@ +Mediatek MT6358 Audio Codec + +The communication between MT6358 and SoC is through Mediatek PMIC wrapper. +For more detail, please visit Mediatek PMIC wrapper documentation. + +Must be a child node of PMIC wrapper. + +Required properties: + +- compatible : "mediatek,mt6358-sound". +- Avdd-supply : power source of AVDD + +Example: + +mt6358_snd { + compatible = "mediatek,mt6358-sound"; + Avdd-supply = <&mt6358_vaud28_reg>; +}; diff --git a/Documentation/devicetree/bindings/sound/mt8183-afe-pcm.txt b/Documentation/devicetree/bindings/sound/mt8183-afe-pcm.txt new file mode 100644 index 000000000000..396ba38619f6 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/mt8183-afe-pcm.txt @@ -0,0 +1,36 @@ +Mediatek AFE PCM controller for mt8183 + +Required properties: +- compatible = "mediatek,mt68183-audio"; +- reg: register location and size +- interrupts: should contain AFE interrupt +- power-domains: should define the power domain +- clocks: Must contain an entry for each entry in clock-names +- clock-names: should have these clock names: + "infra_sys_audio_clk", + "mtkaif_26m_clk", + "top_mux_audio", + "top_mux_aud_intbus", + "top_sys_pll3_d4", + "top_clk26m_clk"; + +Example: + + afe: mt8183-afe-pcm@11220000 { + compatible = "mediatek,mt8183-audio"; + reg = <0 0x11220000 0 0x1000>; + interrupts = <GIC_SPI 161 IRQ_TYPE_LEVEL_LOW>; + power-domains = <&scpsys MT8183_POWER_DOMAIN_AUDIO>; + clocks = <&infrasys CLK_INFRA_AUDIO>, + <&infrasys CLK_INFRA_AUDIO_26M_BCLK>, + <&topckgen CLK_TOP_MUX_AUDIO>, + <&topckgen CLK_TOP_MUX_AUD_INTBUS>, + <&topckgen CLK_TOP_SYSPLL_D2_D4>, + <&clk26m>; + clock-names = "infra_sys_audio_clk", + "mtkaif_26m_clk", + "top_mux_audio", + "top_mux_aud_intbus", + "top_sys_pll_d2_d4", + "top_clk26m_clk"; + }; diff --git a/Documentation/devicetree/bindings/sound/mtk-btcvsd-snd.txt b/Documentation/devicetree/bindings/sound/mtk-btcvsd-snd.txt new file mode 100644 index 000000000000..679e44839b48 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/mtk-btcvsd-snd.txt @@ -0,0 +1,24 @@ +Mediatek ALSA BT SCO CVSD/MSBC Driver + +Required properties: +- compatible = "mediatek,mtk-btcvsd-snd"; +- reg: register location and size of PKV and SRAM_BANK2 +- interrupts: should contain BTSCO interrupt +- mediatek,infracfg: the phandles of INFRASYS +- mediatek,offset: Array contains of register offset and mask + infra_misc_offset, + infra_conn_bt_cvsd_mask, + cvsd_mcu_read_offset, + cvsd_mcu_write_offset, + cvsd_packet_indicator_offset + +Example: + + mtk-btcvsd-snd@18000000 { + compatible = "mediatek,mtk-btcvsd-snd"; + reg=<0 0x18000000 0 0x1000>, + <0 0x18080000 0 0x8000>; + interrupts = <GIC_SPI 286 IRQ_TYPE_LEVEL_LOW>; + mediatek,infracfg = <&infrasys>; + mediatek,offset = <0xf00 0x800 0xfd0 0xfd4 0xfd8>; + }; diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd9335.txt b/Documentation/devicetree/bindings/sound/qcom,wcd9335.txt index 1d8d49e30af7..5d6ea66a863f 100644 --- a/Documentation/devicetree/bindings/sound/qcom,wcd9335.txt +++ b/Documentation/devicetree/bindings/sound/qcom,wcd9335.txt @@ -34,12 +34,12 @@ Required properties with SLIMbus Interface: Definition: Interrupt names of WCD INTR1 and INTR2 Should be: "intr1", "intr2" -- reset-gpio: +- reset-gpios: Usage: required Value type: <String Array> Definition: Reset gpio line -- qcom,ifd: +- slim-ifc-dev: Usage: required Value type: <phandle> Definition: SLIM interface device @@ -104,13 +104,13 @@ Required properties with SLIMbus Interface: Value type: <u32> Definition: Must be 1 -codec@1{ +audio-codec@1{ compatible = "slim217,1a0"; reg = <1 0>; interrupts = <&msmgpio 54 IRQ_TYPE_LEVEL_HIGH>; interrupt-names = "intr2" - reset-gpio = <&msmgpio 64 0>; - qcom,ifd = <&wc9335_ifd>; + reset-gpios = <&msmgpio 64 0>; + slim-ifc-dev = <&wc9335_ifd>; clock-names = "mclk", "native"; clocks = <&rpmcc RPM_SMD_DIV_CLK1>, <&rpmcc RPM_SMD_BB_CLK1>; diff --git a/Documentation/devicetree/bindings/sound/rockchip,rk3328-codec.txt b/Documentation/devicetree/bindings/sound/rockchip,rk3328-codec.txt new file mode 100644 index 000000000000..2469588c7ccb --- /dev/null +++ b/Documentation/devicetree/bindings/sound/rockchip,rk3328-codec.txt @@ -0,0 +1,23 @@ +* Rockchip Rk3328 internal codec + +Required properties: + +- compatible: "rockchip,rk3328-codec" +- reg: physical base address of the controller and length of memory mapped + region. +- rockchip,grf: the phandle of the syscon node for GRF register. +- clocks: a list of phandle + clock-specifer pairs, one for each entry in clock-names. +- clock-names: should be "pclk". +- spk-depop-time-ms: speak depop time msec. + +Example for rk3328 internal codec: + +codec: codec@ff410000 { + compatible = "rockchip,rk3328-codec"; + reg = <0x0 0xff410000 0x0 0x1000>; + rockchip,grf = <&grf>; + clocks = <&cru PCLK_ACODEC>; + clock-names = "pclk"; + spk-depop-time-ms = 100; + status = "disabled"; +}; diff --git a/Documentation/devicetree/bindings/sound/sgtl5000.txt b/Documentation/devicetree/bindings/sound/sgtl5000.txt index 9c58f724396a..9d9ff5184939 100644 --- a/Documentation/devicetree/bindings/sound/sgtl5000.txt +++ b/Documentation/devicetree/bindings/sound/sgtl5000.txt @@ -37,6 +37,15 @@ VDDIO 1.8V 2.5V 3.3V 2 = 3.33 mA 5.74 mA 8.03 mA 3 = 4.99 mA 8.61 mA 12.05 mA +- sclk-strength: the SCLK pad strength. Possible values are: +0, 1, 2 and 3 as per the table below: + +VDDIO 1.8V 2.5V 3.3V +0 = Disable +1 = 1.66 mA 2.87 mA 4.02 mA +2 = 3.33 mA 5.74 mA 8.03 mA +3 = 4.99 mA 8.61 mA 12.05 mA + Example: sgtl5000: codec@a { diff --git a/Documentation/devicetree/bindings/sound/simple-scu-card.txt b/Documentation/devicetree/bindings/sound/simple-scu-card.txt deleted file mode 100644 index 3a2f71616cda..000000000000 --- a/Documentation/devicetree/bindings/sound/simple-scu-card.txt +++ /dev/null @@ -1,94 +0,0 @@ -ASoC Simple SCU Sound Card - -Simple SCU Sound Card is "Simple Sound Card" + "ALSA DPCM". -For example, you can use this driver if you want to exchange sampling rate convert, -Mixing, etc... - -Required properties: - -- compatible : "simple-scu-audio-card" - "renesas,rsrc-card" -Optional properties: - -- simple-audio-card,name : see simple-audio-card.txt -- simple-audio-card,cpu : see simple-audio-card.txt -- simple-audio-card,codec : see simple-audio-card.txt - -Optional subnode properties: - -- simple-audio-card,format : see simple-audio-card.txt -- simple-audio-card,frame-master : see simple-audio-card.txt -- simple-audio-card,bitclock-master : see simple-audio-card.txt -- simple-audio-card,bitclock-inversion : see simple-audio-card.txt -- simple-audio-card,frame-inversion : see simple-audio-card.txt -- 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. - use audio-prefix if some components is using same sink/sources naming. - it can be used if compatible was "renesas,rsrc-card"; - -Required CPU/CODEC subnodes properties: - -- sound-dai : see simple-audio-card.txt - -Optional CPU/CODEC subnodes properties: - -- clocks / system-clock-frequency : see simple-audio-card.txt - -Example 1. Sampling Rate Conversion - -sound { - compatible = "simple-scu-audio-card"; - - simple-audio-card,name = "rsnd-ak4643"; - simple-audio-card,format = "left_j"; - simple-audio-card,bitclock-master = <&sndcodec>; - simple-audio-card,frame-master = <&sndcodec>; - - simple-audio-card,convert-rate = <48000>; - - simple-audio-card,prefix = "ak4642"; - simple-audio-card,routing = "ak4642 Playback", "DAI0 Playback", - "DAI0 Capture", "ak4642 Capture"; - - sndcpu: simple-audio-card,cpu { - sound-dai = <&rcar_sound>; - }; - - sndcodec: simple-audio-card,codec { - sound-dai = <&ak4643>; - system-clock-frequency = <11289600>; - }; -}; - -Example 2. 2 CPU 1 Codec (Mixing) - -sound { - compatible = "simple-scu-audio-card"; - - simple-audio-card,name = "rsnd-ak4643"; - simple-audio-card,format = "left_j"; - simple-audio-card,bitclock-master = <&dpcmcpu>; - simple-audio-card,frame-master = <&dpcmcpu>; - - simple-audio-card,routing = "ak4642 Playback", "DAI0 Playback", - "ak4642 Playback", "DAI1 Playback"; - - dpcmcpu: cpu@0 { - sound-dai = <&rcar_sound 0>; - }; - - cpu@1 { - sound-dai = <&rcar_sound 1>; - }; - - codec { - prefix = "ak4642"; - sound-dai = <&ak4643>; - clocks = <&audio_clock>; - }; -}; diff --git a/Documentation/devicetree/bindings/sound/sprd-pcm.txt b/Documentation/devicetree/bindings/sound/sprd-pcm.txt new file mode 100644 index 000000000000..4b23e84b2e57 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/sprd-pcm.txt @@ -0,0 +1,23 @@ +* Spreadtrum DMA platfrom bindings + +Required properties: +- compatible: Should be "sprd,pcm-platform". +- dmas: Specify the list of DMA controller phandle and DMA request line ordered pairs. +- dma-names: Identifier string for each DMA request line in the dmas property. + These strings correspond 1:1 with the ordered pairs in dmas. + +Example: + + audio_platform:platform@0 { + compatible = "sprd,pcm-platform"; + dmas = <&agcp_dma 1 1>, <&agcp_dma 2 2>, + <&agcp_dma 3 3>, <&agcp_dma 4 4>, + <&agcp_dma 5 5>, <&agcp_dma 6 6>, + <&agcp_dma 7 7>, <&agcp_dma 8 8>, + <&agcp_dma 9 9>, <&agcp_dma 10 10>; + dma-names = "normal_p_l", "normal_p_r", + "normal_c_l", "normal_c_r", + "voice_c", "fast_p", + "loop_c", "loop_p", + "voip_c", "voip_p"; + }; diff --git a/Documentation/devicetree/bindings/sound/xlnx,audio-formatter.txt b/Documentation/devicetree/bindings/sound/xlnx,audio-formatter.txt new file mode 100644 index 000000000000..cbc93c8f4963 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/xlnx,audio-formatter.txt @@ -0,0 +1,29 @@ +Device-Tree bindings for Xilinx PL audio formatter + +The IP core supports DMA, data formatting(AES<->PCM conversion) +of audio samples. + +Required properties: + - compatible: "xlnx,audio-formatter-1.0" + - interrupt-names: Names specified to list of interrupts in same + order mentioned under "interrupts". + List of supported interrupt names are: + "irq_mm2s" : interrupt from MM2S block + "irq_s2mm" : interrupt from S2MM block + - interrupts-parent: Phandle for interrupt controller. + - interrupts: List of Interrupt numbers. + - reg: Base address and size of the IP core instance. + - clock-names: List of input clocks. + Required elements: "s_axi_lite_aclk", "aud_mclk" + - clocks: Input clock specifier. Refer to common clock bindings. + +Example: + audio_ss_0_audio_formatter_0: audio_formatter@80010000 { + compatible = "xlnx,audio-formatter-1.0"; + interrupt-names = "irq_mm2s", "irq_s2mm"; + interrupt-parent = <&gic>; + interrupts = <0 104 4>, <0 105 4>; + reg = <0x0 0x80010000 0x0 0x1000>; + clock-names = "s_axi_lite_aclk", "aud_mclk"; + clocks = <&clk 71>, <&clk_wiz_1 0>; + }; diff --git a/Documentation/devicetree/bindings/sound/xlnx,spdif.txt b/Documentation/devicetree/bindings/sound/xlnx,spdif.txt new file mode 100644 index 000000000000..15c2d64d247c --- /dev/null +++ b/Documentation/devicetree/bindings/sound/xlnx,spdif.txt @@ -0,0 +1,28 @@ +Device-Tree bindings for Xilinx SPDIF IP + +The IP supports playback and capture of SPDIF audio + +Required properties: + - compatible: "xlnx,spdif-2.0" + - clock-names: List of input clocks. + Required elements: "s_axi_aclk", "aud_clk_i" + - clocks: Input clock specifier. Refer to common clock bindings. + - reg: Base address and address length of the IP core instance. + - interrupts-parent: Phandle for interrupt controller. + - interrupts: List of Interrupt numbers. + - xlnx,spdif-mode: 0 :- receiver mode + 1 :- transmitter mode + - xlnx,aud_clk_i: input audio clock value. + +Example: + spdif_0: spdif@80010000 { + clock-names = "aud_clk_i", "s_axi_aclk"; + clocks = <&misc_clk_0>, <&clk 71>; + compatible = "xlnx,spdif-2.0"; + interrupt-names = "spdif_interrupt"; + interrupt-parent = <&gic>; + interrupts = <0 91 4>; + reg = <0x0 0x80010000 0x0 0x10000>; + xlnx,spdif-mode = <1>; + xlnx,aud_clk_i = <49152913>; + }; |