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Diffstat (limited to 'arch/arm/boot/dts/am43x-epos-evm.dts')
-rw-r--r--arch/arm/boot/dts/am43x-epos-evm.dts130
1 files changed, 118 insertions, 12 deletions
diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts
index 795d68af6..86c2dfbe8 100644
--- a/arch/arm/boot/dts/am43x-epos-evm.dts
+++ b/arch/arm/boot/dts/am43x-epos-evm.dts
@@ -14,6 +14,7 @@
#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";
@@ -31,21 +32,18 @@
enable-active-high;
};
+ vbat: fixedregulator@0 {
+ compatible = "regulator-fixed";
+ regulator-name = "vbat";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-boot-on;
+ };
+
lcd0: display {
compatible = "osddisplays,osd057T0559-34ts", "panel-dpi";
label = "lcd";
- pinctrl-names = "default";
- pinctrl-0 = <&lcd_pins>;
-
- /*
- * SelLCDorHDMI, LOW to select HDMI. This is not really the
- * panel's enable GPIO, but we don't have HDMI driver support nor
- * support to switch between two displays, so using this gpio as
- * panel's enable should be safe.
- */
- enable-gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>;
-
panel-timing {
clock-frequency = <33000000>;
hactive = <800>;
@@ -108,6 +106,38 @@
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 {
@@ -278,7 +308,7 @@
>;
};
- lcd_pins: lcd_pins {
+ display_mux_pins: display_mux_pins {
pinctrl-single,pins = <
/* GPMC CLK -> GPIO 2_1 to select LCD / HDMI */
0x08C (PIN_OUTPUT_PULLUP | MUX_MODE7)
@@ -320,6 +350,24 @@
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 {
@@ -399,6 +447,15 @@
regulator-always-on;
};
+ dcdc4: regulator-dcdc4 {
+ compatible = "ti,tps65218-dcdc4";
+ regulator-name = "vdcdc4";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
dcdc5: regulator-dcdc5 {
compatible = "ti,tps65218-dcdc5";
regulator-name = "v1_0bat";
@@ -441,6 +498,23 @@
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 {
@@ -458,7 +532,21 @@
};
&gpio2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&display_mux_pins>;
status = "okay";
+
+ p1 {
+ /*
+ * SelLCDorHDMI selects between display and audio paths:
+ * Low: HDMI display with audio via HDMI
+ * High: LCD display with analog audio via aic3111 codec
+ */
+ gpio-hog;
+ gpios = <1 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "SelLCDorHDMI";
+ };
};
&gpio3 {
@@ -686,3 +774,21 @@
};
};
};
+
+&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>;
+};