The wega board has a TLV320AIC3007 connected via McASP0. In the default
configuration, no external crystal is mounted. We run a system clock of
25 MHz, so we use the audio codec PLL for audio clock generation.
Signed-off-by: Stefan Müller-Klieser <s.mueller-klieser@xxxxxxxxx>
---
arch/arm/boot/dts/am335x-wega.dtsi | 62 ++++++++++++++++++++++++++++++++++++++
1 file changed, 62 insertions(+)
diff --git a/arch/arm/boot/dts/am335x-wega.dtsi b/arch/arm/boot/dts/am335x-wega.dtsi
index 282f6d4..7f5f8ed 100644
--- a/arch/arm/boot/dts/am335x-wega.dtsi
+++ b/arch/arm/boot/dts/am335x-wega.dtsi
@@ -11,6 +11,10 @@
model = "Phytec AM335x phyBOARD-WEGA";
compatible = "phytec,am335x-wega", "phytec,am335x-phycore-som", "ti,am33xx";
+ sound: sound_iface {
+ compatible = "ti,da830-evm-audio";
+ };
+
regulators {
compatible = "simple-bus";
@@ -24,6 +28,58 @@
};
};
+/* Audio */
+&am33xx_pinmux {
+ mcasp0_pins: pinmux_mcasp0 {
+ pinctrl-single,pins = <
+ AM33XX_IOPAD(0x9AC, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mcasp0_ahclkx.mcasp0_ahclkx */
+ AM33XX_IOPAD(0x990, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp0_aclkx.mcasp0_aclkx */
+ AM33XX_IOPAD(0x994, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp0_fsx.mcasp0_fsx */
+ AM33XX_IOPAD(0x998, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp0_axr0.mcasp0_axr0 */
+ AM33XX_IOPAD(0x9A8, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mcasp0_axr1.mcasp0_axr1 */
+ >;
+ };
+};
+
+&i2c0 {
+ tlv320aic3007: tlv320aic3007@18 {
+ compatible = "ti,tlv320aic3007";
+ reg = <0x18>;
+ AVDD-supply = <&vcc3v3>;
+ IOVDD-supply = <&vcc3v3>;
+ DRVDD-supply = <&vcc3v3>;
+ DVDD-supply = <&vdig1_reg>;
+ status = "okay";
+ };
+};
+
+&mcasp0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcasp0_pins>;
+ op-mode = <0>; /* DAVINCI_MCASP_IIS_MODE */
+ tdm-slots = <2>;
+ serial-dir = <
+ 2 1 0 0 /* # 0: INACTIVE, 1: TX, 2: RX */
+ >;
+ tx-num-evt = <16>;
+ rt-num-evt = <16>;
+ status = "okay";
+};
+
+&sound {
+ ti,model = "AM335x-Wega";
+ ti,audio-codec = <&tlv320aic3007>;
+ ti,mcasp-controller = <&mcasp0>;
+ ti,audio-routing =
+ "Line Out", "LLOUT",
+ "Line Out", "RLOUT",
+ "LINE1L", "Line In",
+ "LINE1R", "Line In";
+ clocks = <&mcasp0_fck>;
+ clock-names = "mclk";
+ status = "okay";
+};
+
/* CAN Busses */
&am33xx_pinmux {
dcan1_pins: pinmux_dcan1 {
@@ -99,6 +155,12 @@
status = "okay";
};
+/* Power */
+&vdig1_reg {
+ regulator-boot-on;
+ regulator-always-on;
+};
+
/* UARTs */
&am33xx_pinmux {
uart0_pins: pinmux_uart0 {
--
1.9.1
--
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