zynqmp-zcu102-rev10-ad9208.dts

// SPDX-License-Identifier: GPL-2.0
/*
 * Analog Devices AD9208 / AD9689 ANALOG-TO-DIGITAL CONVERTER
 * https://wiki.analog.com/resources/eval/ad9208-3000ebz
 * https://wiki.analog.com/resources/tools-software/linux-drivers/iio-adc/ad9208
 *
 * hdl_project: <ad9208/zcu102>
 * board_revision: <>
 *
 * Copyright (C) 2019-2020 Analog Devices Inc.
 */

#include "zynqmp-zcu102-rev1.0.dts"
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/iio/adc/adi,ad9208.h>
#include <dt-bindings/jesd204/adxcvr.h>

&i2c1 {
	i2c-mux@75 {
		i2c@0 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <0>;

			eeprom@50 {
				compatible = "at24,24c02";
				reg = <0x50>;
			};
		};
	};
};

/ {
	fpga_axi: fpga-axi@0 {
		interrupt-parent = <&gic>;
		compatible = "simple-bus";
		#address-cells = <0x1>;
		#size-cells = <0x1>;
		ranges = <0 0 0 0xffffffff>;

		ad9208_clkin: clock@0 {
			#clock-cells = <0>;
			compatible = "adjustable-clock";
			clock-frequency = <3000000000>;
			clock-accuracy = <1000000000>; /* 0 ... 6 Ghz */
			clock-output-names = "ad9208_clk";
		};

		rx_dma: rx-dmac@9c420000 {
			#dma-cells = <1>;
			compatible = "adi,axi-dmac-1.00.a";
			reg = <0x9c420000 0x10000>;
			interrupts = <0 109 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&zynqmp_clk 71>;

			adi,channels {
				#size-cells = <0>;
				#address-cells = <1>;

				dma-channel@0 {
					reg = <0>;
					adi,source-bus-width = <128>;
					adi,source-bus-type = <1>;
					adi,destination-bus-width = <128>;
					adi,destination-bus-type = <0>;
				};
			};
		};

		axi_ad9208_core: axi-ad9208-hpc@84a10000 {
			compatible = "adi,axi-ad9208-1.0";
			reg = <0x84a10000 0x10000>;
			dmas = <&rx_dma 0>;
			dma-names = "rx";
			spibus-connected = <&adc0_ad9208>;
		};

		axi_ad9208_jesd: axi-jesd204-rx@84aa0000 {
			compatible = "adi,axi-jesd204-rx-1.0";
			reg = <0x84aa0000 0x4000>;
			interrupts = <0 108 IRQ_TYPE_LEVEL_HIGH>;

			clocks = <&zynqmp_clk 71>, <&axi_ad9208_adxcvr 1>, <&axi_ad9208_adxcvr 0>;
			clock-names = "s_axi_aclk", "device_clk", "lane_clk";

			adi,octets-per-frame = <1>;
			adi,frames-per-multiframe = <32>;
			adi,subclass = <0>;

			#clock-cells = <0>;
			clock-output-names = "jesd_adc_lane_clk";
		};

		axi_ad9208_adxcvr: axi-adxcvr-rx@84a60000 {
			compatible = "adi,axi-adxcvr-1.0";
			reg = <0x84a60000 0x1000>;

			clocks = <&si570_2>, <&si570_2>;
			clock-names = "conv", "div40";

			adi,sys-clk-select = <XCVR_QPLL>;
			adi,out-clk-select = <XCVR_REFCLK>;
			adi,use-lpm-enable;

			#clock-cells = <1>;
			clock-output-names = "adc_gt_clk", "rx_out_clk";
		};

		axi_sysid_0: axi-sysid-0@85000000 {
			compatible = "adi,axi-sysid-1.00.a";
			reg = <0x85000000 0x10000>;
		};
	};
};

&spi0 {
	status = "okay";

	adc0_ad9208: ad9208@0 {
		compatible = "adi,ad9208";

		powerdown-gpios = <&gpio 116 0>;
		fastdetect-a-gpios = <&gpio 113 0>;
		fastdetect-b-gpios = <&gpio 114 0>;

		spi-cpol;
		spi-cpha;
		spi-max-frequency = <10000000>;
		reg = <0>;

		clocks = <&axi_ad9208_jesd>, <&ad9208_clkin>;
		clock-names = "jesd_adc_clk", "adc_clk";

		adi,powerdown-mode = <AD9208_PDN_MODE_POWERDOWN>;

		adi,sampling-frequency = /bits/ 64 <2600000000>;
		adi,input-clock-divider-ratio = <1>;
		adi,duty-cycle-stabilizer-enable;

		adi,analog-input-neg-buffer-current = <AD9208_BUFF_CURR_600_UA>;
		adi,analog-input-pos-buffer-current = <AD9208_BUFF_CURR_600_UA>;

		adi,sysref-lmfc-offset = <0>;
		adi,sysref-pos-window-skew = <0>;
		adi,sysref-neg-window-skew = <0>;
		adi,sysref-mode = <AD9208_SYSREF_CONT>;
		adi,sysref-nshot-ignore-count = <0>;

		/* JESD204 parameters */

		adi,octets-per-frame = <1>;
		adi,frames-per-multiframe = <32>;
		adi,converter-resolution = <16>;
		adi,bits-per-sample = <16>;
		adi,converters-per-device = <2>;
		adi,control-bits-per-sample = <0>;
		adi,lanes-per-device = <8>;
		adi,subclass = <0>;

		/* DDC setup */

		adi,ddc-channel-number = <AD9208_FULL_BANDWIDTH_MODE>;

		#address-cells = <1>;
		#size-cells = <0>;

		ad9208_ddc0: channel@0 {
			reg = <0>;
			adi,decimation = <2>;
			adi,nco-mixer-mode-select = <AD9208_NCO_MODE_VIF>;
			adi,nco-channel-carrier-frequency-hz = /bits/ 64 <70000000>;
			adi,nco-channel-phase-offset = /bits/ 64 <0>;
			adi,ddc-gain-6dB-enable;
		};
	};

	ad7940: ad7940@1 {
		compatible = "adi,ad7940";
		spi-max-frequency = <1000000>;
		reg = <1>;

	};

	adt7320: adt7320@2 {
		compatible = "adi,adt7320";
		spi-max-frequency = <1000000>;
		reg = <2>;

	};
};