Adolfo Reyna
144 lines
3.7 KiB
Devicetree
144 lines
3.7 KiB
Devicetree
/dts-v1/;
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#include <tactility/bindings/root.h>
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#include <tactility/bindings/esp32_adc_oneshot.h>
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#include <tactility/bindings/esp32_ble.h>
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#include <tactility/bindings/esp32_gpio.h>
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#include <tactility/bindings/esp32_i2c.h>
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#include <tactility/bindings/esp32_i2s.h>
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#include <tactility/bindings/esp32_pwm_ledc.h>
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#include <tactility/bindings/esp32_sdmmc.h>
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#include <tactility/bindings/esp32_spi.h>
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#include <tactility/bindings/esp32_wifi_pinned.h>
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#include <tactility/bindings/battery_sense.h>
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#include <tactility/bindings/gpio_hog.h>
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#include <tactility/bindings/pwm_backlight.h>
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#include <bindings/st77922.h>
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#include <bindings/st77922_touch.h>
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#include <bindings/es8311.h>
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/ {
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compatible = "root";
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model = "LCDWIKI/Hosyond ES3C35P";
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wifi0 {
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compatible = "espressif,esp32-wifi-pinned";
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status = "disabled";
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};
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ble0 {
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compatible = "espressif,esp32-ble";
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status = "disabled";
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};
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gpio0 {
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compatible = "espressif,esp32-gpio";
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gpio-count = <49>;
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};
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/* FM8002E speaker amplifier enable, active-low on GPIO1. */
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amp_enable {
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compatible = "gpio-hog";
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pin = <&gpio0 1 GPIO_FLAG_NONE>;
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mode = <GPIO_HOG_MODE_OUTPUT_LOW>;
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};
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adc0 {
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compatible = "espressif,esp32-adc-oneshot";
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unit-id = <ADC_UNIT_1>;
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clk-src = <ADC_RTC_CLK_SRC_DEFAULT>;
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channels = <ADC_CHANNEL_7 ADC_ATTEN_DB_12 ADC_BITWIDTH_DEFAULT>;
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};
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/* BAT+ through a 200K/200K divider into GPIO8 / ADC1_CH7. */
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battery-sense {
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compatible = "battery-sense";
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io-channel = <&adc0 0>;
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reference-voltage-mv = <3300>;
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multiplier = <2000>;
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};
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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 18 GPIO_FLAG_NONE>;
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pin-ws = <&gpio0 21 GPIO_FLAG_NONE>;
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pin-data-out = <&gpio0 15 GPIO_FLAG_NONE>;
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pin-data-in = <&gpio0 16 GPIO_FLAG_NONE>;
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pin-mclk = <&gpio0 17 GPIO_FLAG_NONE>;
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};
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i2c0 {
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compatible = "espressif,esp32-i2c";
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port = <I2C_NUM_0>;
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clock-frequency = <400000>;
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pin-sda = <&gpio0 38 GPIO_FLAG_NONE>;
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pin-scl = <&gpio0 39 GPIO_FLAG_NONE>;
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touch@55 {
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compatible = "sitronix,st77922-touch";
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reg = <0x55>;
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x-max = <320>;
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y-max = <480>;
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pin-reset = <&gpio0 48 GPIO_FLAG_NONE>;
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pin-interrupt = <&gpio0 47 GPIO_FLAG_NONE>;
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};
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es8311: es8311@18 {
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compatible = "everest,es8311";
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reg = <0x18>;
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i2s = <&i2s0>;
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};
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};
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display_backlight_pwm {
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compatible = "espressif,esp32-pwm-ledc";
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pin = <&gpio0 41 GPIO_FLAG_NONE>;
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period-ns = <200000>;
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ledc-timer = <0>;
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ledc-channel = <0>;
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};
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display_backlight {
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compatible = "pwm-backlight";
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status = "disabled";
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pwm = <&display_backlight_pwm>;
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};
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spi0 {
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compatible = "espressif,esp32-spi";
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host = <SPI2_HOST>;
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pin-sclk = <&gpio0 12 GPIO_FLAG_NONE>;
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pin-mosi = <&gpio0 11 GPIO_FLAG_NONE>;
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pin-miso = <&gpio0 13 GPIO_FLAG_NONE>;
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pin-wp = <&gpio0 14 GPIO_FLAG_NONE>;
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pin-hd = <&gpio0 9 GPIO_FLAG_NONE>;
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cs-gpios = <&gpio0 10 GPIO_FLAG_NONE>;
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/* Accommodate the driver's 1/10-frame DMA staging transfers, matching
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* the vendor LVGL port's full-frame refresh path. */
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max-transfer-size = <65536>;
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display@0 {
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compatible = "sitronix,st77922";
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horizontal-resolution = <320>;
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vertical-resolution = <480>;
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/* 80 MHz works in the vendor demo, but produces visible QSPI corruption on
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* some modules/cables. The component's 40 MHz default is reliably clean. */
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pixel-clock-hz = <40000000>;
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backlight = <&display_backlight>;
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};
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};
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sdmmc0 {
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compatible = "espressif,esp32-sdmmc";
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pin-clk = <&gpio0 5 GPIO_FLAG_NONE>;
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pin-cmd = <&gpio0 4 GPIO_FLAG_NONE>;
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pin-d0 = <&gpio0 6 GPIO_FLAG_NONE>;
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pin-d1 = <&gpio0 7 GPIO_FLAG_NONE>;
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pin-d2 = <&gpio0 2 GPIO_FLAG_NONE>;
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pin-d3 = <&gpio0 3 GPIO_FLAG_NONE>;
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slot = <SDMMC_HOST_SLOT_1>;
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bus-width = <4>;
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};
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};
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