Audio System + Drivers (#562)
This commit is contained in:
Shadowtrance
@@ -3,5 +3,5 @@ file(GLOB_RECURSE SOURCE_FILES Source/*.c*)
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idf_component_register(
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SRCS ${SOURCE_FILES}
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INCLUDE_DIRS "Source"
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REQUIRES Tactility esp_lvgl_port esp_lcd EspLcdCompat esp_lcd_ili9881c esp_lcd_st7123 esp_lcd_touch_st7123 GT911 PwmBacklight driver esp_driver_i2c vfs fatfs ina226-module sc2356-module
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REQUIRES Tactility esp_lvgl_port esp_lcd EspLcdCompat esp_lcd_ili9881c esp_lcd_st7123 esp_lcd_touch_st7123 GT911 PwmBacklight driver esp_driver_i2c vfs fatfs ina226-module
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)
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@@ -140,57 +140,14 @@ static void initExpander1(::Device* io_expander1) {
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gpio_descriptor_release(ip2326_charge_enable_pin);
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}
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static error_t initSound(::Device* i2c_controller, ::Device* io_expander0 = nullptr) {
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// Init data from M5Unified:
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// https://github.com/m5stack/M5Unified/blob/master/src/M5Unified.cpp
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static constexpr uint8_t ES8388_I2C_ADDR = 0x10;
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static constexpr uint8_t ENABLED_BULK_DATA[] = {
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0, 0x80, // RESET/ CSM POWER ON
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0, 0x00,
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0, 0x00,
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0, 0x0E,
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1, 0x00,
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2, 0x0A, // CHIP POWER: power up all
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3, 0xFF, // ADC POWER: power down all
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4, 0x3C, // DAC POWER: power up and LOUT1/ROUT1/LOUT2/ROUT2 enable
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5, 0x00, // ChipLowPower1
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6, 0x00, // ChipLowPower2
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7, 0x7C, // VSEL
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8, 0x00, // set I2S slave mode
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// reg9-22 == adc
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23, 0x18, // I2S format (16bit)
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24, 0x00, // I2S MCLK ratio (128)
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25, 0x20, // DAC unmute
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26, 0x00, // LDACVOL 0x00~0xC0
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27, 0x00, // RDACVOL 0x00~0xC0
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28, 0x08, // enable digital click free power up and down
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29, 0x00,
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38, 0x00, // DAC CTRL16
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39, 0xB8, // LEFT Ch MIX
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42, 0xB8, // RIGHTCh MIX
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43, 0x08, // ADC and DAC separate
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45, 0x00, // 0x00=1.5k VREF analog output / 0x10=40kVREF analog output
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46, 0x21,
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47, 0x21,
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48, 0x21,
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49, 0x21
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};
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error_t error = i2c_controller_write_register_array(
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i2c_controller,
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ES8388_I2C_ADDR,
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ENABLED_BULK_DATA,
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sizeof(ENABLED_BULK_DATA),
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pdMS_TO_TICKS(1000)
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);
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if (error != ERROR_NONE) {
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LOG_E(TAG, "Failed to enable ES8388: %s", error_to_string(error));
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return error;
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}
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// Audio codec register programming is owned by the es8388-module/es7210-module drivers
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// (registered as AUDIO_CODEC_TYPE devices, see m5stack,tab5.dts). This board still needs
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// to drive the external speaker amplifier's enable line via io_expander0, which is board
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// wiring glue rather than codec configuration, so it stays here.
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static error_t enableSpeakerAmplifier(::Device* io_expander0) {
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auto* speaker_enable_pin = gpio_descriptor_acquire(io_expander0, GPIO_EXP0_PIN_SPEAKER_ENABLE, GPIO_OWNER_GPIO);
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check(speaker_enable_pin, "Failed to acquire speaker enable pin");
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error = gpio_descriptor_set_level(speaker_enable_pin, true);
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error_t error = gpio_descriptor_set_level(speaker_enable_pin, true);
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gpio_descriptor_release(speaker_enable_pin);
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if (error != ERROR_NONE) {
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LOG_E(TAG, "Failed to enable amplifier: %s", error_to_string(error));
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@@ -200,56 +157,6 @@ static error_t initSound(::Device* i2c_controller, ::Device* io_expander0 = null
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return ERROR_NONE;
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}
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static error_t initMicrophone(::Device* i2c_controller) {
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// ES7210 quad-channel microphone ADC at 0x40.
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// Register sequence from M5Unified (M5Unified.cpp, _microphone_enabled_cb_tab5).
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// Configures 4-slot TDM output at 48kHz/16-bit with MIC1+MIC2 active and MICBIAS enabled.
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static constexpr uint8_t ES7210_I2C_ADDR = 0x40;
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static constexpr uint8_t INIT_DATA[] = {
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0x00, 0xFF, // RESET_CTL: full reset
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0x00, 0x41, // RESET_CTL: release reset, keep CSM active
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0x01, 0x1F, // CLK_ON_OFF: enable all clocks
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0x06, 0x00, // DIGITAL_PDN: power up all digital blocks
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0x07, 0x20, // ADC_OSR: OSR=256
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0x08, 0x10, // MODE_CFG: I2S slave, TDM mode
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0x09, 0x30, // TCT0_CHPINI: chopper init period
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0x0A, 0x30, // TCT1_CHPINI
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0x20, 0x0A, // ADC34_HPF2
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0x21, 0x2A, // ADC34_HPF1
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0x22, 0x0A, // ADC12_HPF2
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0x23, 0x2A, // ADC12_HPF1
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0x02, 0xC1, // CLK_CTRL: MCLK from I2S, PLL off
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0x04, 0x01, // SDPOUT_CTL1: TDM output enable
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0x05, 0x00, // SDPOUT_CTL0
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0x11, 0x60, // DBIAS: adjust reference voltage for P4
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0x40, 0x42, // ANALOG_SYS: enable analog supply
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0x41, 0x70, // MICBIAS12: enable MICBIAS for MIC1+MIC2
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0x42, 0x70, // MICBIAS34: enable MICBIAS for MIC3+MIC4
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0x43, 0x1B, // MIC1_GAIN: +30 dB
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0x44, 0x1B, // MIC2_GAIN: +30 dB
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0x45, 0x00, // MIC3_GAIN: AEC ref, no gain
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0x46, 0x00, // MIC4_GAIN: AEC ref, no gain
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0x47, 0x00, // MIC1_LP
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0x48, 0x00, // MIC2_LP
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0x49, 0x00, // MIC3_LP
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0x4A, 0x00, // MIC4_LP
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0x4B, 0x00, // MIC12_PDN: power up MIC1+MIC2
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0x4C, 0xFF, // MIC34_PDN: keep MIC3+MIC4 in power-down (AEC ref not needed)
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0x01, 0x14, // CLK_ON_OFF: final clock config
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};
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error_t error = i2c_controller_write_register_array(
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i2c_controller,
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ES7210_I2C_ADDR,
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INIT_DATA,
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sizeof(INIT_DATA),
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pdMS_TO_TICKS(1000)
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);
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if (error != ERROR_NONE) {
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LOG_E(TAG, "Failed to init ES7210: %s", error_to_string(error));
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}
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return error;
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}
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static esp_clock_output_mapping_handle_t camera_osc_handle = nullptr;
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@@ -275,9 +182,6 @@ static void initCameraOsc() {
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}
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static bool initBoot() {
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auto* i2c0 = device_find_by_name("i2c0");
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check(i2c0, "i2c0 not found");
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auto* io_expander0 = device_find_by_name("io_expander0");
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check(io_expander0, "io_expander0 not found");
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auto* io_expander1 = device_find_by_name("io_expander1");
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@@ -287,14 +191,9 @@ static bool initBoot() {
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initExpander0(io_expander0);
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initExpander1(io_expander1);
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error_t error = initSound(i2c0, io_expander0);
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error_t error = enableSpeakerAmplifier(io_expander0);
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if (error != ERROR_NONE) {
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LOG_E(TAG, "Failed to enable ES8388");
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}
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error = initMicrophone(i2c0);
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if (error != ERROR_NONE) {
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LOG_E(TAG, "Failed to init ES7210");
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LOG_E(TAG, "Failed to enable speaker amplifier");
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}
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return true;
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@@ -1,8 +1,11 @@
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dependencies:
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- Platforms/platform-esp32
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- Drivers/pi4ioe5v6408-module
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- Drivers/bmi270-module
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- Drivers/ina226-module
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- Drivers/rx8130ce-module
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- Drivers/sc2356-module
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- Platforms/platform-esp32
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- Drivers/pi4ioe5v6408-module
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- Drivers/bmi270-module
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- Drivers/es7210-module
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- Drivers/es8388-module
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- Drivers/audio-stream-module
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- Drivers/ina226-module
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- Drivers/rx8130ce-module
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- Drivers/sc2356-module
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dts: m5stack,tab5.dts
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@@ -11,6 +11,8 @@
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#include <tactility/bindings/esp32_usbhost.h>
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#include <tactility/bindings/esp32_wifi.h>
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#include <bindings/bmi270.h>
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#include <bindings/es7210.h>
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#include <bindings/es8388.h>
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#include <bindings/ina226.h>
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#include <bindings/pi4ioe5v6408.h>
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#include <bindings/rx8130ce.h>
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@@ -35,6 +37,17 @@
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gpio-count = <57>;
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};
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// Declared before i2c0 so it starts before the es8388/es7210 codecs that reference it
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i2s0 {
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compatible = "espressif,esp32-i2s";
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port = <I2S_NUM_0>;
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pin-bclk = <&gpio0 27 GPIO_FLAG_NONE>;
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pin-ws = <&gpio0 29 GPIO_FLAG_NONE>;
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pin-data-out = <&gpio0 26 GPIO_FLAG_NONE>;
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pin-data-in = <&gpio0 28 GPIO_FLAG_NONE>;
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pin-mclk = <&gpio0 30 GPIO_FLAG_NONE>;
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};
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i2c_internal: i2c0 {
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compatible = "espressif,esp32-i2c-master";
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port = <I2C_NUM_0>;
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@@ -57,6 +70,25 @@
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reg = <0x68>;
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};
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es8388 {
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compatible = "everest,es8388";
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reg = <0x10>;
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i2s = <&i2s0>;
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};
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es7210 {
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compatible = "everest,es7210";
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reg = <0x40>;
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i2s = <&i2s0>;
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// Per schematic: MIC1/MIC2 are the two onboard capsules (U17/U16).
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// MIC3 is not a microphone -- MIC3P is tapped from HPOUT_L (AEC_P) as an
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// acoustic-echo-cancellation reference, MIC3N goes to AGND. MIC4 is the
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// external headset-mic jack input (HPMIC), also not onboard. Select only
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// the two real capsules; MIC3/MIC4 would otherwise show up as silent (or
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// speaker-echoing) extra channels.
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mic-mask = <3>;
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};
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rx8130ce {
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compatible = "epson,rx8130ce";
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reg = <0x32>;
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@@ -107,17 +139,6 @@
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on-chip-ldo-chan = <4>;
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};
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// ES8388 and ES7210
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i2s0 {
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compatible = "espressif,esp32-i2s";
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port = <I2S_NUM_0>;
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pin-bclk = <&gpio0 27 GPIO_FLAG_NONE>;
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pin-ws = <&gpio0 29 GPIO_FLAG_NONE>;
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pin-data-out = <&gpio0 26 GPIO_FLAG_NONE>;
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pin-data-in = <&gpio0 28 GPIO_FLAG_NONE>;
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pin-mclk = <&gpio0 30 GPIO_FLAG_NONE>;
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};
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usbhost0 {
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compatible = "espressif,esp32-usbhost";
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peripheral-map = <0>;
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