From: Peter Ujfalusi peter.ujfalusi@ti.com
AM335x EVM-SK have only support for audio playback (stereo jack on the board) via tlv320aic3106 codec connected to McASP1. Enable the support for audio playback on the board: - McASP1 configuration - tlv320aic3106 configuration - Machine driver.
Signed-off-by: Peter Ujfalusi peter.ujfalusi@ti.com Signed-off-by: Jyri Sarha jsarha@ti.com --- arch/arm/boot/dts/am335x-evmsk.dts | 48 ++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+)
diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts index 1a7e0d9..03febf8 100644 --- a/arch/arm/boot/dts/am335x-evmsk.dts +++ b/arch/arm/boot/dts/am335x-evmsk.dts @@ -115,6 +115,17 @@ brightness-levels = <0 58 61 66 75 90 125 170 255>; default-brightness-level = <8>; }; + + sound { + compatible = "ti,da830-evm-audio"; + ti,model = "AM335x-EVMSK"; + ti,audio-codec = <&tlv320aic3106>; + ti,mcasp-controller = <&mcasp1>; + ti,codec-clock-rate = <24576000>; + ti,audio-routing = + "Headphone Jack", "HPLOUT", + "Headphone Jack", "HPROUT"; + }; };
&am33xx_pinmux { @@ -244,6 +255,15 @@ 0x14c (PIN_INPUT_PULLDOWN | MUX_MODE7) >; }; + + mcasp1_pins: mcasp1_pins { + pinctrl-single,pins = < + 0x10c (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_crs.mcasp1_aclkx */ + 0x110 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_rxerr.mcasp1_fsx */ + 0x108 (PIN_OUTPUT_PULLDOWN | MUX_MODE4) /* mii1_col.mcasp1_axr2 */ + 0x144 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* rmii1_ref_clk.mcasp1_axr3 */ + >; + }; };
&uart0 { @@ -291,6 +311,18 @@ st,max-limit-y = <550>; st,max-limit-z = <750>; }; + + tlv320aic3106: tlv320aic3106@1b { + compatible = "ti,tlv320aic3106"; + reg = <0x1b>; + status = "okay"; + + /* Regulators */ + AVDD-supply = <&vaux2_reg>; + IOVDD-supply = <&vaux2_reg>; + DRVDD-supply = <&vaux2_reg>; + DVDD-supply = <&vbat>; + }; };
&usb { @@ -437,3 +469,19 @@ &gpio0 { ti,no-reset-on-init; }; + +&mcasp1 { + pinctrl-names = "default"; + pinctrl-0 = <&mcasp1_pins>; + + status = "okay"; + + op-mode = <0>; /* MCASP_IIS_MODE */ + tdm-slots = <2>; + /* 4 serializers */ + serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */ + 0 0 1 2 + >; + tx-num-evt = <1>; + rx-num-evt = <1>; +};