diff options
Diffstat (limited to 'arch/arm/boot/dts/am43x-epos-evm.dts')
| -rw-r--r-- | arch/arm/boot/dts/am43x-epos-evm.dts | 130 |
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>; +}; |