diff options
Diffstat (limited to 'Documentation')
11 files changed, 151 insertions, 10 deletions
diff --git a/Documentation/devicetree/bindings/misc/atmel-ssc.txt b/Documentation/devicetree/bindings/misc/atmel-ssc.txt index efc98ea1f23d..f8629bb73945 100644 --- a/Documentation/devicetree/bindings/misc/atmel-ssc.txt +++ b/Documentation/devicetree/bindings/misc/atmel-ssc.txt @@ -24,6 +24,8 @@ Optional properties: this parameter to choose where the clock from. - By default the clock is from TK pin, if the clock from RK pin, this property is needed. + - #sound-dai-cells: Should contain <0>. + - This property makes the SSC into an automatically registered DAI. Examples: - PDC transfer: diff --git a/Documentation/devicetree/bindings/sound/axentia,tse850-pcm5142.txt b/Documentation/devicetree/bindings/sound/axentia,tse850-pcm5142.txt index 5b9b38f578bb..fdb25b492514 100644 --- a/Documentation/devicetree/bindings/sound/axentia,tse850-pcm5142.txt +++ b/Documentation/devicetree/bindings/sound/axentia,tse850-pcm5142.txt @@ -2,8 +2,7 @@ Devicetree bindings for the Axentia TSE-850 audio complex Required properties: - compatible: "axentia,tse850-pcm5142" - - axentia,ssc-controller: The phandle of the atmel SSC controller used as - cpu dai. + - axentia,cpu-dai: The phandle of the cpu dai. - axentia,audio-codec: The phandle of the PCM5142 codec. - axentia,add-gpios: gpio specifier that controls the mixer. - axentia,loop1-gpios: gpio specifier that controls loop relays on channel 1. @@ -43,6 +42,12 @@ the PCM5142 codec. Example: + &ssc0 { + #sound-dai-cells = <0>; + + status = "okay"; + }; + &i2c { codec: pcm5142@4c { compatible = "ti,pcm5142"; @@ -77,7 +82,7 @@ Example: sound { compatible = "axentia,tse850-pcm5142"; - axentia,ssc-controller = <&ssc0>; + axentia,cpu-dai = <&ssc0>; axentia,audio-codec = <&codec>; axentia,add-gpios = <&pioA 8 GPIO_ACTIVE_LOW>; diff --git a/Documentation/devicetree/bindings/sound/es8328.txt b/Documentation/devicetree/bindings/sound/es8328.txt index 30ea8a318ae9..33fbf058c997 100644 --- a/Documentation/devicetree/bindings/sound/es8328.txt +++ b/Documentation/devicetree/bindings/sound/es8328.txt @@ -4,7 +4,7 @@ This device supports both I2C and SPI. Required properties: - - compatible : "everest,es8328" + - compatible : Should be "everest,es8328" or "everest,es8388" - DVDD-supply : Regulator providing digital core supply voltage 1.8 - 3.6V - AVDD-supply : Regulator providing analog supply voltage 3.3V - PVDD-supply : Regulator providing digital IO supply voltage 1.8 - 3.6V diff --git a/Documentation/devicetree/bindings/sound/mt2701-afe-pcm.txt b/Documentation/devicetree/bindings/sound/mt2701-afe-pcm.txt index 3e623a724e55..9800a560e0c2 100644 --- a/Documentation/devicetree/bindings/sound/mt2701-afe-pcm.txt +++ b/Documentation/devicetree/bindings/sound/mt2701-afe-pcm.txt @@ -4,6 +4,7 @@ Required properties: - compatible = "mediatek,mt2701-audio"; - reg: register location and size - interrupts: Should contain AFE interrupt +- power-domains: should define the power domain - clock-names: should have these clock names: "infra_sys_audio_clk", "top_audio_mux1_sel", @@ -58,6 +59,7 @@ Example: <0 0x112A0000 0 0x20000>; interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_LOW>, <GIC_SPI 132 IRQ_TYPE_LEVEL_LOW>; + power-domains = <&scpsys MT2701_POWER_DOMAIN_IFR_MSC>; clocks = <&infracfg CLK_INFRA_AUDIO>, <&topckgen CLK_TOP_AUD_MUX1_SEL>, <&topckgen CLK_TOP_AUD_MUX2_SEL>, diff --git a/Documentation/devicetree/bindings/sound/nau8540.txt b/Documentation/devicetree/bindings/sound/nau8540.txt new file mode 100644 index 000000000000..307a76528320 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/nau8540.txt @@ -0,0 +1,16 @@ +NAU85L40 audio CODEC + +This device supports I2C only. + +Required properties: + + - compatible : "nuvoton,nau8540" + + - reg : the I2C address of the device. + +Example: + +codec: nau8540@1c { + compatible = "nuvoton,nau8540"; + reg = <0x1c>; +}; diff --git a/Documentation/devicetree/bindings/sound/rockchip,rk3288-hdmi-analog.txt b/Documentation/devicetree/bindings/sound/rockchip,rk3288-hdmi-analog.txt new file mode 100644 index 000000000000..2539e1d68107 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/rockchip,rk3288-hdmi-analog.txt @@ -0,0 +1,36 @@ +ROCKCHIP RK3288 with HDMI and analog audio + +Required properties: +- compatible: "rockchip,rk3288-hdmi-analog" +- rockchip,model: The user-visible name of this sound complex +- rockchip,i2s-controller: The phandle of the Rockchip I2S controller that's + connected to the CODEC +- rockchip,audio-codec: The phandle of the analog audio codec. +- rockchip,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. For this driver the first string should always be + "Analog". + +Optionnal properties: +- rockchip,hp-en-gpios = The phandle of the GPIO that power up/down the + headphone (when the analog output is an headphone). +- rockchip,hp-det-gpios = The phandle of the GPIO that detects the headphone + (when the analog output is an headphone). +- pinctrl-names, pinctrl-0: Please refer to pinctrl-bindings.txt + +Example: + +sound { + compatible = "rockchip,rockchip-audio-es8388"; + rockchip,model = "Analog audio output"; + rockchip,i2s-controller = <&i2s>; + rockchip,audio-codec = <&es8388>; + rockchip,routing = "Analog", "LOUT2", + "Analog", "ROUT2"; + rockchip,hp-en-gpios = <&gpio8 0 GPIO_ACTIVE_HIGH>; + rockchip,hp-det-gpios = <&gpio7 7 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&headphone>; +}; + diff --git a/Documentation/devicetree/bindings/sound/sun4i-i2s.txt b/Documentation/devicetree/bindings/sound/sun4i-i2s.txt index 7b526ec64991..f4adc58f82ba 100644 --- a/Documentation/devicetree/bindings/sound/sun4i-i2s.txt +++ b/Documentation/devicetree/bindings/sound/sun4i-i2s.txt @@ -7,6 +7,7 @@ Required properties: - compatible: should be one of the followings - "allwinner,sun4i-a10-i2s" + - "allwinner,sun6i-a31-i2s" - reg: physical base address of the controller and length of memory mapped region. - interrupts: should contain the I2S interrupt. @@ -19,6 +20,10 @@ Required properties: - "mod" : module clock for the I2S controller - #sound-dai-cells : Must be equal to 0 +Required properties for the following compatibles: + - "allwinner,sun6i-a31-i2s" +- resets: phandle to the reset line for this codec + Example: i2s0: i2s@01c22400 { diff --git a/Documentation/devicetree/bindings/sound/sun8i-a33-codec.txt b/Documentation/devicetree/bindings/sound/sun8i-a33-codec.txt new file mode 100644 index 000000000000..399b1b4bae22 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/sun8i-a33-codec.txt @@ -0,0 +1,63 @@ +Allwinner SUN8I audio codec +------------------------------------ + +On Sun8i-A33 SoCs, the audio is separated in different parts: + - A DAI driver. It uses the "sun4i-i2s" driver which is + documented here: + Documentation/devicetree/bindings/sound/sun4i-i2s.txt + - An analog part of the codec which is handled as PRCM registers. + See Documentation/devicetree/bindings/sound/sun8i-codec-analog.txt + - An digital part of the codec which is documented in this current + binding documentation. + - And finally, an audio card which links all the above components. + The simple-audio card will be used. + See Documentation/devicetree/bindings/sound/simple-card.txt + +This bindings documentation exposes Sun8i codec (digital part). + +Required properties: +- compatible: must be "allwinner,sun8i-a33-codec" +- reg: must contain the registers location and length +- interrupts: must contain the codec interrupt +- clocks: a list of phandle + clock-specifer pairs, one for each entry + in clock-names. +- clock-names: should contain followings: + - "bus": the parent APB clock for this controller + - "mod": the parent module clock + +Here is an example to add a sound card and the codec binding on sun8i SoCs that +are similar to A33 using simple-card: + + sound { + compatible = "simple-audio-card"; + simple-audio-card,name = "sun8i-a33-audio"; + simple-audio-card,format = "i2s"; + simple-audio-card,frame-master = <&link_codec>; + simple-audio-card,bitclock-master = <&link_codec>; + simple-audio-card,mclk-fs = <512>; + simple-audio-card,aux-devs = <&codec_analog>; + simple-audio-card,routing = + "Left DAC", "Digital Left DAC", + "Right DAC", "Digital Right DAC"; + + simple-audio-card,cpu { + sound-dai = <&dai>; + }; + + link_codec: simple-audio-card,codec { + sound-dai = <&codec>; + }; + + soc@01c00000 { + [...] + + audio-codec@1c22e00 { + #sound-dai-cells = <0>; + compatible = "allwinner,sun8i-a33-codec"; + reg = <0x01c22e00 0x400>; + interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&ccu CLK_BUS_CODEC>, <&ccu CLK_AC_DIG>; + clock-names = "bus", "mod"; + }; + }; + diff --git a/Documentation/devicetree/bindings/sound/sunxi,sun4i-spdif.txt b/Documentation/devicetree/bindings/sound/sunxi,sun4i-spdif.txt index 0230c4d20506..fe0a65e6d629 100644 --- a/Documentation/devicetree/bindings/sound/sunxi,sun4i-spdif.txt +++ b/Documentation/devicetree/bindings/sound/sunxi,sun4i-spdif.txt @@ -10,6 +10,7 @@ Required properties: - compatible : should be one of the following: - "allwinner,sun4i-a10-spdif": for the Allwinner A10 SoC - "allwinner,sun6i-a31-spdif": for the Allwinner A31 SoC + - "allwinner,sun8i-h3-spdif": for the Allwinner H3 SoC - reg : Offset and length of the register set for the device. diff --git a/Documentation/devicetree/bindings/sound/zte,zx-i2s.txt b/Documentation/devicetree/bindings/sound/zte,zx-i2s.txt index 7e5aa6f6b5a1..292ad5083704 100644 --- a/Documentation/devicetree/bindings/sound/zte,zx-i2s.txt +++ b/Documentation/devicetree/bindings/sound/zte,zx-i2s.txt @@ -1,10 +1,12 @@ ZTE ZX296702 I2S controller Required properties: - - compatible : Must be "zte,zx296702-i2s" + - compatible : Must be one of: + "zte,zx296718-i2s", "zte,zx296702-i2s" + "zte,zx296702-i2s" - reg : Must contain I2S core's registers location and length - clocks : Pairs of phandle and specifier referencing the controller's clocks. - - clock-names: "tx" for the clock to the I2S interface. + - clock-names: "wclk" for the wclk, "pclk" for the pclk to the I2S interface. - dmas: Pairs of phandle and specifier for the DMA channel that is used by the core. The core expects two dma channels for transmit. - dma-names : Must be "tx" and "rx" @@ -16,12 +18,12 @@ please check: * dma/dma.txt Example: - i2s0: i2s0@0b005000 { + i2s0: i2s@b005000 { #sound-dai-cells = <0>; - compatible = "zte,zx296702-i2s"; + compatible = "zte,zx296718-i2s", "zte,zx296702-i2s"; reg = <0x0b005000 0x1000>; - clocks = <&lsp0clk ZX296702_I2S0_DIV>; - clock-names = "tx"; + clocks = <&audiocrm AUDIO_I2S0_WCLK>, <&audiocrm AUDIO_I2S0_PCLK>; + clock-names = "wclk", "pclk"; interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>; dmas = <&dma 5>, <&dma 6>; dma-names = "tx", "rx"; diff --git a/Documentation/gpu/i915.rst b/Documentation/gpu/i915.rst index 117d2ab7a5f7..7fb605af090e 100644 --- a/Documentation/gpu/i915.rst +++ b/Documentation/gpu/i915.rst @@ -144,6 +144,15 @@ High Definition Audio .. kernel-doc:: include/drm/i915_component.h :internal: +Intel HDMI LPE Audio Support +---------------------------- + +.. kernel-doc:: drivers/gpu/drm/i915/intel_lpe_audio.c + :doc: LPE Audio integration for HDMI or DP playback + +.. kernel-doc:: drivers/gpu/drm/i915/intel_lpe_audio.c + :internal: + Panel Self Refresh PSR (PSR/SRD) -------------------------------- |