On Fri, Nov 06, 2015 at 06:22:43PM -0800, Simran Rai wrote: > Add bindings for audio driver in Broadcom Cygnus. > > Signed-off-by: Lori Hikichi <lhikichi@xxxxxxxxxxxx> > Signed-off-by: Simran Rai <ssimran@xxxxxxxxxxxx> > Reviewed-by: Ray Jui <rjui@xxxxxxxxxxxx> > Reviewed-by: Scott Branden <sbranden@xxxxxxxxxxxx> Acked-by: Rob Herring <robh@xxxxxxxxxx> > --- > .../bindings/sound/brcm,cygnus-audio.txt | 54 ++++++++++++++++++++ > 1 file changed, 54 insertions(+) > create mode 100644 Documentation/devicetree/bindings/sound/brcm,cygnus-audio.txt > > diff --git a/Documentation/devicetree/bindings/sound/brcm,cygnus-audio.txt b/Documentation/devicetree/bindings/sound/brcm,cygnus-audio.txt > new file mode 100644 > index 0000000..3c06001 > --- /dev/null > +++ b/Documentation/devicetree/bindings/sound/brcm,cygnus-audio.txt > @@ -0,0 +1,54 @@ > +BROADCOM Cygnus Audio I2S/TDM/SPDIF controller > + > +Required properties: > + - compatible : "brcm,cygnus-audio" > + - #address-cells: 32bit valued, 1 cell. > + - #size-cells: 32bit valued, 0 cell. > + - reg : Should contain audio registers location and length > + - reg-names: names of the registers listed in "reg" property > + Valid names are "aud" and "i2s_in". "aud" contains a > + set of DMA, I2S_OUT and SPDIF registers. "i2s_in" contains > + a set of I2S_IN registers. > + - clocks: PLL and leaf clocks used by audio ports > + - clock-names: names of 3 leaf clocks used by audio ports > + Valid names are "ch0_audio", "ch1_audio", "ch2_audio" > + - interrupts: audio DMA interrupt number > + > +SSP Subnode properties: > +- reg: The index of ssp port interface to use > + Valid value are 0, 1, 2, or 3 (for spdif) > + > + > +Example: > + cygnus_audio: audio@180ae000 { > + compatible = "brcm,cygnus-audio"; > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <0x180ae000 0xafd>, <0x180aec00 0x1f8>; > + reg-names = "aud", "i2s_in"; > + clocks = <&audiopll BCM_CYGNUS_AUDIOPLL_CH0>, > + <&audiopll BCM_CYGNUS_AUDIOPLL_CH1>, > + <&audiopll BCM_CYGNUS_AUDIOPLL_CH2>; > + clock-names = "ch0_audio", "ch1_audio", "ch2_audio"; > + interrupts = <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>; > + > + ssp0: ssp_port@0 { > + reg = <0>; > + status = "okay"; > + }; > + > + ssp1: ssp_port@1 { > + reg = <1>; > + status = "disabled"; > + }; > + > + ssp2: ssp_port@2 { > + reg = <2>; > + status = "disabled"; > + }; > + > + spdif: spdif_port@3 { > + reg = <3>; > + status = "disabled"; > + }; > + }; > -- > 1.7.9.5 > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html