Add sound support to Motorola Droid 4 using simple-soundcard and CPCAP's audio codec. This does not yet correctly represent the whole audio routing, since McBSP3 is also connected to Bluetooth and MDM6600 modem (and probably also 4G modem). These extra DAI links are not yet supported and have not been tested.
Signed-off-by: Sebastian Reichel sebastian.reichel@collabora.co.uk --- arch/arm/boot/dts/omap4-droid4-xt894.dts | 84 ++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+)
diff --git a/arch/arm/boot/dts/omap4-droid4-xt894.dts b/arch/arm/boot/dts/omap4-droid4-xt894.dts index 10ca1c174995..a182f9fb1c7a 100644 --- a/arch/arm/boot/dts/omap4-droid4-xt894.dts +++ b/arch/arm/boot/dts/omap4-droid4-xt894.dts @@ -116,6 +116,26 @@
}; }; + + soundcard { + compatible = "audio-graph-card"; + label = "Droid 4 Audio"; + + simple-graph-card,widgets = + "Speaker", "Earpiece", + "Speaker", "Loudspeaker", + "Headphone", "Headphone Jack", + "Microphone", "Internal Mic"; + + simple-graph-card,routing = + "Earpiece", "EP", + "Loudspeaker", "SPKR", + "Headphone Jack", "HSL", + "Headphone Jack", "HSR", + "MICR", "Internal Mic"; + + dais = <&mcbsp2_port>, <&mcbsp3_port>; + }; };
&dss { @@ -479,6 +499,24 @@ OMAP4_IOPAD(0x112, PIN_OUTPUT_PULLUP | MUX_MODE5) /* uart4_rts */ >; }; + + mcbsp2_pins: pinmux_mcbsp2_pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x0f6, PIN_INPUT | MUX_MODE0) /* abe_mcbsp2_clkx */ + OMAP4_IOPAD(0x0f8, PIN_INPUT | MUX_MODE0) /* abe_mcbsp2_dr */ + OMAP4_IOPAD(0x0fa, PIN_OUTPUT | MUX_MODE0) /* abe_mcbsp2_dx */ + OMAP4_IOPAD(0x0fc, PIN_INPUT | MUX_MODE0) /* abe_mcbsp2_fsx */ + >; + }; + + mcbsp3_pins: pinmux_mcbsp3_pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x106, PIN_INPUT | MUX_MODE1) /* abe_mcbsp3_dr */ + OMAP4_IOPAD(0x108, PIN_OUTPUT | MUX_MODE1) /* abe_mcbsp3_dx */ + OMAP4_IOPAD(0x10a, PIN_INPUT | MUX_MODE1) /* abe_mcbsp3_clkx */ + OMAP4_IOPAD(0x10c, PIN_INPUT | MUX_MODE1) /* abe_mcbsp3_fsx */ + >; + }; };
&omap4_pmx_wkup { @@ -552,3 +590,49 @@ "0", "0", "1"; }; }; + +&mcbsp2 { + #sound-dai-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&mcbsp2_pins>; + status = "okay"; + + mcbsp2_port: port { + cpu_dai2: endpoint { + dai-format = "i2s"; + remote-endpoint = <&cpcap_audio_codec0>; + frame-master = <&cpcap_audio_codec0>; + bitclock-master = <&cpcap_audio_codec0>; + }; + }; +}; + +&mcbsp3 { + #sound-dai-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&mcbsp3_pins>; + status = "okay"; + + mcbsp3_port: port { + cpu_dai3: endpoint { + dai-format = "dsp_a"; + frame-master = <&cpcap_audio_codec1>; + bitclock-master = <&cpcap_audio_codec1>; + remote-endpoint = <&cpcap_audio_codec1>; + }; + }; +}; + +&cpcap_audio { + port@0 { + cpcap_audio_codec0: endpoint { + remote-endpoint = <&cpu_dai2>; + }; + }; + + port@1 { + cpcap_audio_codec1: endpoint { + remote-endpoint = <&cpu_dai3>; + }; + }; +};