#include <dt-bindings/pinctrl/am43xx.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pwm/pwm.h>
+#include <dt-bindings/sound/tlv320aic31xx-micbias.h>
/ {
model = "TI AM43x EPOS EVM";
brightness-levels = <0 51 53 56 62 75 101 152 255>;
default-brightness-level = <8>;
};
+
+ sound0: sound@0 {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "AM43-EPOS-EVM";
+ simple-audio-card,widgets =
+ "Microphone", "Microphone Jack",
+ "Headphone", "Headphone Jack",
+ "Speaker", "Speaker";
+ simple-audio-card,routing =
+ "MIC1LP", "Microphone Jack",
+ "MIC1RP", "Microphone Jack",
+ "MIC1LP", "MICBIAS",
+ "MIC1RP", "MICBIAS",
+ "Headphone Jack", "HPL",
+ "Headphone Jack", "HPR",
+ "Speaker", "SPL",
+ "Speaker", "SPR";
+ simple-audio-card,format = "dsp_b";
+ simple-audio-card,bitclock-master = <&sound0_master>;
+ simple-audio-card,frame-master = <&sound0_master>;
+ simple-audio-card,bitclock-inversion;
+
+ simple-audio-card,cpu {
+ sound-dai = <&mcasp1>;
+ system-clock-frequency = <12000000>;
+ };
+
+ sound0_master: simple-audio-card,codec {
+ sound-dai = <&tlv320aic3111>;
+ system-clock-frequency = <12000000>;
+ };
+ };
};
&am43xx_pinmux {
0x204 (DS0_PULL_UP_DOWN_EN | INPUT_EN | MUX_MODE7)
>;
};
+
+ mcasp1_pins: mcasp1_pins {
+ pinctrl-single,pins = <
+ 0x1a0 (PIN_INPUT_PULLDOWN | MUX_MODE3) /* MCASP0_ACLKR/MCASP1_ACLKX */
+ 0x1a4 (PIN_INPUT_PULLDOWN | MUX_MODE3) /* MCASP0_FSR/MCASP1_FSX */
+ 0x1a8 (PIN_OUTPUT_PULLDOWN | MUX_MODE3)/* MCASP0_AXR1/MCASP1_AXR0 */
+ 0x1ac (PIN_INPUT_PULLDOWN | MUX_MODE3) /* MCASP0_AHCLKX/MCASP1_AXR1 */
+ >;
+ };
+
+ mcasp1_sleep_pins: mcasp1_sleep_pins {
+ pinctrl-single,pins = <
+ 0x1a0 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x1a4 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x1a8 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x1ac (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ >;
+ };
};
&mmc1 {
touchscreen-size-x = <1024>;
touchscreen-size-y = <600>;
};
+
+ tlv320aic3111: tlv320aic3111@18 {
+ #sound-dai-cells = <0>;
+ compatible = "ti,tlv320aic3111";
+ reg = <0x18>;
+ status = "okay";
+
+ ai31xx-micbias-vg = <MICBIAS_2_0V>;
+
+ /* Regulators */
+ HPVDD-supply = <&dcdc4>; /* v3_3AUD -> V3_3D -> DCDC4 */
+ SPRVDD-supply = <&vbat>; /* vbat */
+ SPLVDD-supply = <&vbat>; /* vbat */
+ AVDD-supply = <&dcdc4>; /* v3_3AUD -> V3_3D -> DCDC4 */
+ IOVDD-supply = <&dcdc4>; /* V3_3D -> DCDC4 */
+ DVDD-supply = <&ldo1>; /* V1_8AUD -> V1_8D -> LDO1 */
+ };
};
&i2c2 {
};
};
};
+
+&mcasp1 {
+ #sound-dai-cells = <0>;
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&mcasp1_pins>;
+ pinctrl-1 = <&mcasp1_sleep_pins>;
+
+ status = "okay";
+
+ op-mode = <0>; /* MCASP_IIS_MODE */
+ tdm-slots = <2>;
+ /* 4 serializer */
+ serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */
+ 1 2 0 0
+ >;
+ tx-num-evt = <32>;
+ rx-num-evt = <32>;
+};