On Tue, Jul 17, 2018 at 05:36:41PM +0200, Jerome Brunet wrote: > Add the DT binding documentation for axg sound card
I see Mark already applied, but... > > Signed-off-by: Jerome Brunet <[email protected]> > --- > .../bindings/sound/amlogic,axg-sound-card.txt | 124 > +++++++++++++++++++++ > 1 file changed, 124 insertions(+) > create mode 100644 > Documentation/devicetree/bindings/sound/amlogic,axg-sound-card.txt > > diff --git > a/Documentation/devicetree/bindings/sound/amlogic,axg-sound-card.txt > b/Documentation/devicetree/bindings/sound/amlogic,axg-sound-card.txt > new file mode 100644 > index 000000000000..39e005da0407 > --- /dev/null > +++ b/Documentation/devicetree/bindings/sound/amlogic,axg-sound-card.txt > @@ -0,0 +1,124 @@ > +Amlogic AXG sound card: > + > +Required properties: > + > +- compatible: "amlogic,axg-sound-card" > +- amlogic,name : User specified audio sound card name, one string Just using "model" for new bindings. > + > +Optional properties: > + > +- amlogic,aux-devs : List of phandles pointing to auxiliary devices > +- amlogic,widgets : Please refer to widgets.txt. > +- amlogic,routing : A list of the connections between audio components. audio-routing IIRC > + > +Subnodes: > + > +- amlogic,dai-link: Container for dai-link level properties and the > + CODEC sub-nodes. There should be at least one (and > + probably) subnode of this type. Just 'dai-link' > + > +Required dai-link properties: > + > +- sound-dai: phandle and port of the CPU DAI. > + > +Required TDM Backend dai-link properties: > +- dai-format : CPU/CODEC common audio format > + > +Optional TDM Backend dai-link properties: > +- dai-tdm-slot-rx-mask-{0,1,2,3}: Receive direction slot masks > +- dai-tdm-slot-tx-mask-{0,1,2,3}: Transmit direction slot masks > + When omitted, mask is assumed to have to no > + slots. A valid must have at one slot, so at > + least one these mask should be provided with > + an enabled slot. > +- dai-tdm-slot-num : Please refer to tdm-slot.txt. > + If omitted, slot number is set to accommodate the largest > + mask provided. > +- dai-tdm-slot-width : Please refer to tdm-slot.txt. default to 32 if > omitted. > +- mclk-fs : Multiplication factor between stream rate and mclk > + > +Backend dai-link subnodes: > + > +- codec: dai-link representing backend links should have at least one > subnode. > + One subnode for each codec of the dai-link. > + dai-link representing frontend links have no codec, therefore have no > + subnodes > + > +Required codec subnodes properties: > + > +- sound-dai: phandle and port of the CODEC DAI. > + > +Optional codec subnodes properties: > + > +- dai-tdm-slot-tx-mask : Please refer to tdm-slot.txt. > +- dai-tdm-slot-rx-mask : Please refer to tdm-slot.txt. > + > +Example: > + > +sound { > + compatible = "amlogic,axg-sound-card"; > + amlogic,name = "AXG-S420"; > + amlogic,aux-devs = <&tdmin_a>, <&tdmout_c>; > + amlogic,widgets = "Line", "Lineout", > + "Line", "Linein", > + "Speaker", "Speaker1 Left", > + "Speaker", "Speaker1 Right"; > + "Speaker", "Speaker2 Left", > + "Speaker", "Speaker2 Right"; > + amlogic,routing = "TDMOUT_C IN 0", "FRDDR_A OUT 2", > + "SPDIFOUT IN 0", "FRDDR_A OUT 3", > + "TDM_C Playback", "TDMOUT_C OUT", > + "TDMIN_A IN 2", "TDM_C Capture", > + "TDMIN_A IN 5", "TDM_C Loopback", > + "TODDR_A IN 0", "TDMIN_A OUT", > + "Lineout", "Lineout AOUTL", > + "Lineout", "Lineout AOUTR", > + "Speaker1 Left", "SPK1 OUT_A", > + "Speaker2 Left", "SPK2 OUT_A", > + "Speaker1 Right", "SPK1 OUT_B", > + "Speaker2 Right", "SPK2 OUT_B", > + "Linein AINL", "Linein", > + "Linein AINR", "Linein"; > + > + amlogic,dai-link@0 { > + sound-dai = <&frddr_a>; > + }; > + > + amlogic,dai-link@1 { > + sound-dai = <&toddr_a>; > + }; > + > + amlogic,dai-link@2 { > + sound-dai = <&tdmif_c>; > + dai-format = "i2s"; > + dai-tdm-slot-tx-mask-2 = <1 1>; > + dai-tdm-slot-tx-mask-3 = <1 1>; > + dai-tdm-slot-rx-mask-1 = <1 1>; > + mclk-fs = <256>; > + > + codec@0 { > + sound-dai = <&lineout>; > + }; > + > + codec@1 { > + sound-dai = <&speaker_amp1>; > + }; > + > + codec@2 { > + sound-dai = <&speaker_amp2>; > + }; > + > + codec@3 { > + sound-dai = <&linein>; > + }; > + > + }; > + > + amlogic,dai-link@4 { > + sound-dai = <&spdifout>; > + > + codec { > + sound-dai = <&spdif_dit>; > + }; > + }; > +}; > -- > 2.14.4 > > -- > To unsubscribe from this list: send the line "unsubscribe devicetree" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html
