meta-rpi-diya/recipes-bsp/waveshare-2.8-lcd/files/dts/ads1115-i2c-gpio.dts

/*
 * TI ADS1115 multi-channel ADC overlay
 */

/dts-v1/;
/plugin/;

/ {
	compatible = "brcm,bcm2835";

	fragment@0 {
		target = <&i2c_gpio>;
		__overlay__ {
			#address-cells = <1>;
			#size-cells = <0>;
			status = "okay";

			ads1115: ads1115@48 {
				compatible = "ti,ads1115";
				status = "okay";
				#address-cells = <1>;
				#size-cells = <0>;
				reg = <0x48>;
			};
		};
	};

	fragment@1 {
		target = <&ads1115>;
		__dormant__ {
			#address-cells = <1>;
			#size-cells = <0>;

			channel_a: channel_a {
				reg = <4>;
				ti,gain = <1>;
				ti,datarate = <7>;
			};
		};
	};

	fragment@2 {
		target = <&ads1115>;
		__dormant__ {
			#address-cells = <1>;
			#size-cells = <0>;

			channel_b: channel_b {
				reg = <5>;
				ti,gain = <1>;
				ti,datarate = <7>;
			};
		};
	};

	fragment@3 {
		target = <&ads1115>;
		__dormant__ {
			#address-cells = <1>;
			#size-cells = <0>;

			channel_c: channel_c {
				reg = <6>;
				ti,gain = <1>;
				ti,datarate = <7>;
			};
		};
	};

	fragment@4 {
		target = <&ads1115>;
		__dormant__ {
			#address-cells = <1>;
			#size-cells = <0>;

			channel_d: channel_d {
				reg = <7>;
				ti,gain = <1>;
				ti,datarate = <7>;
			};
		};
	};

	__overrides__ {
		addr =            <&ads1115>,"reg:0";
		cha_enable =      <0>,"=1";
		cha_cfg =         <&channel_a>,"reg:0";
		cha_gain =        <&channel_a>,"ti,gain:0";
		cha_datarate =    <&channel_a>,"ti,datarate:0";
		chb_enable =      <0>,"=2";
		chb_cfg =         <&channel_b>,"reg:0";
		chb_gain =        <&channel_b>,"ti,gain:0";
		chb_datarate =    <&channel_b>,"ti,datarate:0";
		chc_enable =      <0>,"=3";
		chc_cfg =         <&channel_c>,"reg:0";
		chc_gain =        <&channel_c>,"ti,gain:0";
		chc_datarate =    <&channel_c>,"ti,datarate:0";
		chd_enable =      <0>,"=4";
		chd_cfg =         <&channel_d>,"reg:0";
		chd_gain =        <&channel_d>,"ti,gain:0";
		chd_datarate =    <&channel_d>,"ti,datarate:0";
	};
};