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