Device migrations and driver improvements (#576)

This commit is contained in:
Ken Van Hoeylandt
2026-07-22 21:11:12 +02:00
committed by GitHub
parent 2fbc44466a
commit a3fda9ad8f
100 changed files with 707 additions and 3838 deletions
+72 -45
View File
@@ -9,15 +9,16 @@
#include <tactility/bindings/esp32_i2s.h>
#include <tactility/bindings/esp32_spi.h>
#include <tactility/bindings/esp32_uart.h>
#include <bindings/bmi270.h>
#include <bindings/bm8563.h>
#include <tactility/bindings/gpio_hog.h>
#include <bindings/aw88298.h>
#include <bindings/aw9523b.h>
#include <bindings/axp2101.h>
#include <bindings/axp2101_backlight.h>
#include <bindings/aw9523b.h>
#include <bindings/bmi270.h>
#include <bindings/bm8563.h>
#include <bindings/es7210.h>
#include <bindings/ft5x06.h>
#include <bindings/ili9341.h>
#include <tactility/bindings/esp32_sdspi.h>
#include <tactility/bindings/gpio_hog.h>
// SD card is not supported because of a hardware problem:
// The display uses pin 35 as input (MISO), but the SPI bus (and SD card) uses the same pin as DC (output).
@@ -42,6 +43,18 @@
gpio-count = <49>;
};
i2s0 {
// Note: M5Unified sets the following for speaker: magnification = 2, oversampling = 1
// Note: M5Unified sets the following for microphone: magnification = 4
compatible = "espressif,esp32-i2s";
port = <I2S_NUM_0>;
pin-bclk = <&gpio0 34 GPIO_FLAG_NONE>;
pin-ws = <&gpio0 33 GPIO_FLAG_NONE>;
pin-data-out = <&gpio0 13 GPIO_FLAG_NONE>;
pin-data-in = <&gpio0 14 GPIO_FLAG_NONE>;
pin-mclk = <&gpio0 0 GPIO_FLAG_NONE>;
};
i2c_internal {
compatible = "espressif,esp32-i2c";
port = <I2C_NUM_0>;
@@ -61,18 +74,55 @@
// P0_0 = touch reset, P0_1 = bus-out enable, P0_2 = AW88298 reset,
// P0_4 = SD card switch, P1_1 = LCD reset, P1_7 = boost enable (SY7088)
aw9523b: aw9523b {
aw9523b {
compatible = "awinic,aw9523b";
reg = <0x58>;
// Bus-out enable, AW88298 (audio amp) reset, SD card power switch and boost enable
// (SY7088) are AW9523B pins with no owning peripheral driver yet.
aw9523_bus_out_enable {
compatible = "gpio-hog";
pin = <&aw9523b 1 GPIO_FLAG_NONE>;
mode = <GPIO_HOG_MODE_OUTPUT_HIGH>;
};
aw9523_sdcard_switch {
compatible = "gpio-hog";
pin = <&aw9523b 4 GPIO_FLAG_NONE>;
mode = <GPIO_HOG_MODE_INPUT>;
};
aw9523_boost_enable {
compatible = "gpio-hog";
pin = <&aw9523b 15 GPIO_FLAG_NONE>;
mode = <GPIO_HOG_MODE_OUTPUT_HIGH>;
};
};
aw88298 {
compatible = "awinic,aw88298";
reg = <0x36>;
i2s = <&i2s0>;
pin-reset = <&aw9523b 2 GPIO_FLAG_NONE>;
};
axp2101: axp2101 {
compatible = "x-powers,axp2101";
reg = <0x34>;
aldo1-millivolt = <1800>;
aldo1-enabled;
aldo2-millivolt = <3300>;
aldo2-enabled;
aldo3-millivolt = <3300>;
aldo3-enabled;
aldo4-millivolt = <3300>;
aldo4-enabled;
bldo1-enabled;
bldo2-enabled;
// LCD backlight (DLDO1). Raw register codes [20,28] map to [2500,3300]mV;
// below 2500mV the backlight was considered "too dark" to be useful.
backlight {
display_backlight {
compatible = "axp2101-backlight";
ldo = <AXP2101_DLDO1>;
min-millivolt = <2500>;
@@ -87,32 +137,21 @@
y-max = <240>;
pin-reset = <&aw9523b 0 GPIO_FLAG_NONE>;
};
};
// Bus-out enable, AW88298 (audio amp) reset, SD card power switch and boost enable
// (SY7088) are AW9523B pins with no owning peripheral driver yet.
aw9523_bus_out_enable {
compatible = "gpio-hog";
pin = <&aw9523b 1 GPIO_FLAG_NONE>;
mode = <GPIO_HOG_MODE_OUTPUT_HIGH>;
};
aw9523_aw88298_reset {
compatible = "gpio-hog";
pin = <&aw9523b 2 GPIO_FLAG_NONE>;
mode = <GPIO_HOG_MODE_OUTPUT_HIGH>;
};
aw9523_sdcard_switch {
compatible = "gpio-hog";
pin = <&aw9523b 4 GPIO_FLAG_NONE>;
mode = <GPIO_HOG_MODE_OUTPUT_HIGH>;
};
aw9523_boost_enable {
compatible = "gpio-hog";
pin = <&aw9523b 15 GPIO_FLAG_NONE>;
mode = <GPIO_HOG_MODE_OUTPUT_HIGH>;
es7210 {
compatible = "everest,es7210";
reg = <0x40>;
i2s = <&i2s0>;
// Only MIC1/MIC2 are wired to real capsules (see schematic); MIC3/MIC4
// slots carry AEC_P/AEC_N reference signal, not microphone audio.
mic-mask = <3>;
// M5Unified applies a 4x post-gain "magnification" for this exact mic
// wiring (see M5Unified.cpp _mic_data_cb_cores3): the ES7210's own
// hardware ADC gain (already near-max via the default 90% input volume
// setting, ~34dB of its 0-37.5dB range) still isn't enough for these
// capsules on their own.
input-gain-percent = <400>;
};
};
port_a: grove0 {
@@ -163,20 +202,8 @@
pixel-clock-hz = <40000000>;
pin-dc = <&gpio0 35 GPIO_FLAG_NONE>;
pin-reset = <&aw9523b 9 GPIO_FLAG_NONE>;
backlight = <&display_backlight>;
};
};
// TODO: Enable speaker via ES7210 I2C: https://github.com/m5stack/M5Unified/blob/a6256725481f1bc366655fa48cf03b6095e30ad1/src/M5Unified.cpp#L417
// TODO: Enable microphone via ES7210 I2C: https://github.com/m5stack/M5Unified/blob/a6256725481f1bc366655fa48cf03b6095e30ad1/src/M5Unified.cpp#L616
i2s0 {
// Note: M5Unified sets the following for speaker: magnification = 2, oversampling = 1
// Note: M5Unified sets the following for microphone: magnification = 4
compatible = "espressif,esp32-i2s";
port = <I2S_NUM_0>;
pin-bclk = <&gpio0 34 GPIO_FLAG_NONE>;
pin-ws = <&gpio0 33 GPIO_FLAG_NONE>;
pin-data-out = <&gpio0 13 GPIO_FLAG_NONE>;
pin-data-in = <&gpio0 14 GPIO_FLAG_NONE>;
pin-mclk = <&gpio0 0 GPIO_FLAG_NONE>;
};
};