Files
tactility/Devices/es3c28p/es3c28p.dts
T
Adolfo Reyna 340953b1f6 feat(es8311): add digital input gain and restore 42dB HW max for ES3C28P/35P
- Add input-gain-percent property (0..2000, default 100) to everest,es8311 binding
- Extend Es8311Config with input_gain_percent, Es8311Data with input_gain float
- Implement get_input_gain_multiplier() so audio-stream can apply digital boost on top of HW gain
- Change HW gain mapping 100% -> 42dB (was 24dB) to restore +30dB behavior remembered from pre audio-stream driver (ES8311 supports 0/6/12/18/24/30/36/42 per vendor)
- Validate percent <=2000 in start_device()
- Set ES3C28P (2.8" color) and ES3C35P (3.5" color) DTS to input-gain-percent = <100> (no extra digital, pure HW 42dB max, software volume can lower)
- Fixes quiet mic even at 100% and allows tunable digital boost via devicetree for boards with quiet MEMS capsules
2026-07-31 12:11:09 -04:00

144 lines
3.4 KiB
Devicetree

/dts-v1/;
#include <tactility/bindings/root.h>
#include <tactility/bindings/esp32_adc_oneshot.h>
#include <tactility/bindings/esp32_ble.h>
#include <tactility/bindings/esp32_gpio.h>
#include <tactility/bindings/esp32_i2c.h>
#include <tactility/bindings/esp32_i2s.h>
#include <tactility/bindings/esp32_pwm_ledc.h>
#include <tactility/bindings/esp32_sdmmc.h>
#include <tactility/bindings/esp32_spi.h>
#include <tactility/bindings/esp32_wifi_pinned.h>
#include <tactility/bindings/battery_sense.h>
#include <tactility/bindings/gpio_hog.h>
#include <tactility/bindings/pwm_backlight.h>
#include <bindings/ili9341.h>
#include <bindings/ft5x06.h>
#include <bindings/es8311.h>
/ {
compatible = "root";
model = "LCDWIKI ES3C28P";
wifi0 {
compatible = "espressif,esp32-wifi-pinned";
status = "disabled";
};
ble0 {
compatible = "espressif,esp32-ble";
status = "disabled";
};
gpio0 {
compatible = "espressif,esp32-gpio";
gpio-count = <49>;
};
/* FM8002E speaker amp enable, active-low on GPIO1 */
amp_enable {
compatible = "gpio-hog";
pin = <&gpio0 1 GPIO_FLAG_NONE>;
mode = <GPIO_HOG_MODE_OUTPUT_LOW>;
};
adc0 {
compatible = "espressif,esp32-adc-oneshot";
unit-id = <ADC_UNIT_1>;
clk-src = <ADC_RTC_CLK_SRC_DEFAULT>;
channels = <ADC_CHANNEL_8 ADC_ATTEN_DB_12 ADC_BITWIDTH_DEFAULT>;
};
/* BAT+ through 200K/200K divider into GPIO9 ADC1_CH8 */
battery-sense {
compatible = "battery-sense";
io-channel = <&adc0 0>;
reference-voltage-mv = <3300>;
multiplier = <2000>;
};
/* i2s0 must be before i2c0 so codec can reference it */
i2s0 {
compatible = "espressif,esp32-i2s";
port = <I2S_NUM_0>;
pin-bclk = <&gpio0 5 GPIO_FLAG_NONE>;
pin-ws = <&gpio0 7 GPIO_FLAG_NONE>;
pin-data-out = <&gpio0 8 GPIO_FLAG_NONE>;
pin-data-in = <&gpio0 6 GPIO_FLAG_NONE>;
pin-mclk = <&gpio0 4 GPIO_FLAG_NONE>;
};
i2c0 {
compatible = "espressif,esp32-i2c";
port = <I2C_NUM_0>;
clock-frequency = <100000>;
pin-sda = <&gpio0 16 GPIO_FLAG_NONE>;
pin-scl = <&gpio0 15 GPIO_FLAG_NONE>;
ft5x06@38 {
compatible = "focaltech,ft5x06";
reg = <0x38>;
x-max = <240>;
y-max = <320>;
swap-xy;
mirror-x;
pin-reset = <&gpio0 18 GPIO_FLAG_NONE>;
pin-interrupt = <&gpio0 17 GPIO_FLAG_NONE>;
};
es8311: es8311@18 {
compatible = "everest,es8311";
reg = <0x18>;
i2s = <&i2s0>;
input-gain-percent = <100>;
};
};
display_backlight_pwm {
compatible = "espressif,esp32-pwm-ledc";
pin = <&gpio0 45 GPIO_FLAG_NONE>;
period-ns = <500000>;
ledc-timer = <0>;
ledc-channel = <0>;
};
display_backlight {
compatible = "pwm-backlight";
status = "disabled";
pwm = <&display_backlight_pwm>;
};
spi0 {
compatible = "espressif,esp32-spi";
host = <SPI2_HOST>;
pin-mosi = <&gpio0 11 GPIO_FLAG_NONE>;
pin-sclk = <&gpio0 12 GPIO_FLAG_NONE>;
cs-gpios = <&gpio0 10 GPIO_FLAG_NONE>;
display@0 {
compatible = "ilitek,ili9341";
horizontal-resolution = <320>;
vertical-resolution = <240>;
swap-xy;
invert-color;
bgr-order;
pixel-clock-hz = <40000000>;
pin-dc = <&gpio0 46 GPIO_FLAG_NONE>;
backlight = <&display_backlight>;
};
};
sdmmc0 {
compatible = "espressif,esp32-sdmmc";
pin-clk = <&gpio0 38 GPIO_FLAG_NONE>;
pin-cmd = <&gpio0 40 GPIO_FLAG_NONE>;
pin-d0 = <&gpio0 39 GPIO_FLAG_NONE>;
pin-d1 = <&gpio0 41 GPIO_FLAG_NONE>;
pin-d2 = <&gpio0 48 GPIO_FLAG_NONE>;
pin-d3 = <&gpio0 47 GPIO_FLAG_NONE>;
slot = <SDMMC_HOST_SLOT_1>;
bus-width = <4>;
};
};