From: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
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@xxxxxx>
Signed-off-by: Jyri Sarha <jsarha@xxxxxx>
---
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>;
+};
--
1.7.9.5
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