boards/shields/m5stack_cardputer/m5stack_cardputer.overlay

/*
 * Copyright (c) 2025 Linaro Limited
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/ {
	zephyr,user {
		io-channels = <&adc0 9>;
	};

	aliases {
		/delete-property/ led-strip;
	};

	chosen {
		zephyr,display = &st7789v;
	};

	mipi_dbi {
		compatible = "zephyr,mipi-dbi-spi";
		spi-dev = <&spi2>;
		dc-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
		reset-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>;
		write-only;
		#address-cells = <1>;
		#size-cells = <0>;

		st7789v: st7789v@0 {
			compatible = "sitronix,st7789v";
			reg = <0>;
			mipi-max-frequency = <20000000>;

			width = <135>;
			height = <240>;
			x-offset = <53>;
			y-offset = <40>;

			vcom = <0x28>;
			gctrl = <0x35>;
			vrhs = <0x10>;
			vdvs = <0x20>;
			mdac = <0x00>;
			gamma = <0x01>;
			colmod = <0x55>;
			lcm = <0x2c>;
			porch-param = [0c 0c 00 33 33];
			cmd2en-param = [5a 69 02 00];
			pwctrl1-param = [a4 a1];
			pvgam-param = [d0 00 02 07 0a 28 32 44 42 06 0e 12 14 17];
			nvgam-param = [d0 00 02 07 0a 28 31 54 47 0e 1c 17 1b 1e];
			ram-param = [00 F0];
			rgb-param = [40 02 14];
			mipi-mode = "MIPI_DBI_MODE_SPI_4WIRE";
		};
	};
};

/delete-node/ &status_rgb_led;

&pinctrl {
	spim2_default: spim2_default {
		group1 {
			pinmux = <SPIM2_SCLK_GPIO36>,
				 <SPIM2_CSEL_GPIO37>;
		};

		group2 {
			pinmux = <SPIM2_MOSI_GPIO35>;
			output-low;
		};
	};

	spim3_default: spim3_default {
		group1 {
			pinmux = <SPIM3_SCLK_GPIO40>,
				 <SPIM3_MISO_GPIO39>;
		};

		group2 {
			pinmux = <SPIM3_MOSI_GPIO14>;
			output-low;
		};
	};

	i2c1_default: i2c1_default {
		group1 {
			pinmux = <I2C1_SDA_GPIO1>,
				 <I2C1_SCL_GPIO2>;
			bias-pull-up;
			drive-open-drain;
			output-high;
		};
	};
};

&adc0 {
	status = "okay";
	#address-cells = <1>;
	#size-cells = <0>;

	channel@9 {
		reg = <9>;
		zephyr,gain = "ADC_GAIN_1_4";
		zephyr,reference = "ADC_REF_INTERNAL";
		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
		zephyr,resolution = <12>;
	};
};

&spi3 {
	status = "okay";
	#address-cells = <1>;
	#size-cells = <0>;
	status = "okay";
	pinctrl-0 = <&spim3_default>;
	pinctrl-names = "default";
	clock-frequency = <25000000>;
	cs-gpios = <&gpio0 12 GPIO_ACTIVE_LOW>; /* TF-CARD */

	sd0: sd@0 {
		compatible = "zephyr,sdhc-spi-slot";
		reg = <0>;
		status = "okay";
		spi-max-frequency = <25000000>;

		mmc {
			compatible = "zephyr,sdmmc-disk";
			disk-name = "SD";
			status = "okay";
		};
	};
};

&gpio1 {
	status = "okay";

	lcd-backlight {
		gpio-hog;
		gpios = <6 GPIO_ACTIVE_HIGH>;
		output-high;
	};
};