AD9213 driver

Documentation/devicetree/bindings/iio/adc/adi,ad9213.yaml

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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2025 Analog Devices Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/adi,ad9213.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices AD9213 device driver
+
+maintainers:
+  - George Mois <george.mois@analog.com>
+
+description: |
+  Bindings for the Analog Devices AD9213 ADC device. Datasheet can be found
+  here:
+    https://www.analog.com/media/en/technical-documentation/data-sheets/ad9213.pdf
+
+properties:
+  compatible:
+    enum:
+      - adi,ad9213
+
+  reg:
+    maxItems: 1
+    description: Chip select number on the SPI bus.
+
+  spi-max-frequency:
+    const: 10000000
+    description: SPI clock frequency in Hz.
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 0
+
+  jesd204-device:
+    description: Device is added to the jesd204-fsm framework
+    type: boolean
+
+  '#jesd204-cells':
+    const: 2
+
+  jesd204-top-device:
+    const: 0
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: Indicates this is the top-level device in the JESD204 link.
+
+  jesd204-link-ids:
+    const: 0
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+
+  jesd204-inputs:
+    description: JESD204-fsm devices phandles and specifiers (used to build the link topology)
+    $ref: /schemas/types.yaml#/definitions/phandle
+
+  adi,adc-frequency-hz:
+    description: ADC Sampling frequency of the device
+    minimum: 6000000000
+    maximum: 10250000000
+
+  adi,octets-per-frame:
+    description: Number of octets per frame (F)
+    $ref: /schemas/types.yaml#/definitions/uint8
+
+  adi,frames-per-multiframe:
+    description: Number of frames per multi-frame (K)
+    $ref: /schemas/types.yaml#/definitions/uint16
+
+  adi,converter-resolution:
+    description: Converter resolution (N)
+    $ref: /schemas/types.yaml#/definitions/uint8
+
+  adi,bits-per-sample:
+    description: Number of bits per sample (N')
+    $ref: /schemas/types.yaml#/definitions/uint8
+
+  adi,converters-per-device:
+    description: Number of converter per device (M)
+    $ref: /schemas/types.yaml#/definitions/uint8
+
+  adi,control-bits-per-sample:
+    description: Number of control bits per conversion sample (CS)
+    $ref: /schemas/types.yaml#/definitions/uint8
+
+  adi,lanes-per-device:
+    description: Number of lanes per link (L)
+    $ref: /schemas/types.yaml#/definitions/uint8
+
+  adi,subclass:
+    description: The JESD204B sublcass
+    $ref: /schemas/types.yaml#/definitions/uint8
+
+  io-backends:
+    description:
+      The AXI ADC IP block connected to the output lines of the
+      ADC. An example backend can be found at
+      http://analogdevicesinc.github.io/hdl/projects/pulsar_lvds/index.html.
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - jesd204-device
+  - '#jesd-cells'
+  - jesd204-top-device
+  - jesd204-link-ids
+  - jesd204-inputs
+  - io-backends
+
+additionalProperties: false
+
+examples:
+  - |
+    spi {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      adc_ad9213: ad9213@0 {
+        compatible = "adi,ad9213";
+        reg = <0>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+        spi-max-frequency = <10000000>;
+
+        jesd204-device;
+        #jesd204-cells = <2>;
+        jesd204-top-device = <0>; /* This is the TOP device */
+        jesd204-link-ids = <0>;
+        jesd204-inputs = <&axi_ad9213_jesd_rx 0 0>;
+
+        adi,adc-frequency-hz = /bits/ 64 <10000000000>;
+        adi,octets-per-frame = <2>;
+        adi,frames-per-multiframe = <32>;
+        adi,converter-resolution = <16>;
+        adi,bits-per-sample = <16>;
+        adi,converters-per-device = <1>;
+        adi,control-bits-per-sample = <0>;
+        adi,lanes-per-device = <16>;
+        adi,subclass = <1>;
+
+        io-backends = <&iio_backend>;
+      };
+    };

arch/microblaze/boot/dts/adi-ad9213-evb.dtsi

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+// SPDX-License-Identifier: GPL-2.0
+#include <dt-bindings/iio/frequency/hmc7044.h>
+
+&amba_pl {
+	hmc7044_spi: spi@44a71000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		bits-per-word = <8>;
+		compatible = "xlnx,axi-quad-spi-3.2", "xlnx,xps-spi-2.00.a";
+		fifo-size = <16>;
+		interrupt-names = "ip2intc_irpt";
+		interrupt-parent = <&axi_intc>;
+		interrupts = <7 0>;
+		num-cs = <0x2>;
+		reg = <0x44a71000 0x1000>;
+		xlnx,num-ss-bits = <0x2>;
+		xlnx,spi-mode = <0>;
+
+		status = "okay";
+
+		hmc7044: hmc7044@0 {
+			reg = <0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			#clock-cells = <1>;
+			compatible = "adi,hmc7044";
+			spi-max-frequency = <10000000>;
+
+			jesd204-device;
+			#jesd204-cells = <2>;
+			jesd204-sysref-provider;
+			adi,jesd204-max-sysref-frequency-hz = <20000000>;
+
+			adi,pll1-clkin-frequencies = <0 0 0 125000000>;
+			adi,vcxo-frequency = <125000000>;
+
+			adi,pll1-loop-bandwidth-hz = <200>;
+
+			adi,pll2-output-frequency = <2500000000>;
+
+			adi,sysref-timer-divider = <1024>;
+			adi,pulse-generator-mode = <0>;
+
+			adi,clkin3-buffer-mode  = <0x15>;
+			adi,oscin-buffer-mode = <0x15>;
+
+			adi,gpi-controls = <0x00 0x00 0x00 0x00>;
+			adi,gpo-controls = <0x1f 0x2b 0x33 0x37>;
+
+			adi,oscillator-output-path-enable;
+
+			adi,oscillator-output1-driver-enable;
+
+			clock-output-names =
+				"hmc7044_out0", "hmc7044_out1", "hmc7044_out2",
+				"hmc7044_out3", "hmc7044_out4", "hmc7044_out5",
+				"hmc7044_out6", "hmc7044_out7", "hmc7044_out8",
+				"hmc7044_out9", "hmc7044_out10", "hmc7044_out11",
+				"hmc7044_out12", "hmc7044_out13", "hmc7044_oscout1";
+
+			hmc7044_c1: channel@1 {
+				reg = <1>;
+				adi,extended-name = "ADC_SYSREF";
+				adi,divider = <128>;
+				adi,driver-mode = <HMC7044_DRIVER_MODE_LVDS>;
+				adi,jesd204-sysref-chan;
+			};
+			hmc7044_c3: channel@3 {
+				reg = <3>;
+				adi,extended-name = "FMC_SYSREF";
+				adi,divider = <128>;
+				adi,driver-mode = <HMC7044_DRIVER_MODE_LVDS>;
+				adi,jesd204-sysref-chan;
+			};
+			hmc7044_c4: channel@4 {
+				reg = <4>;
+				adi,extended-name = "CLKOUT_MMCX";
+				adi,divider = <8>;
+				adi,driver-mode = <HMC7044_DRIVER_MODE_LVDS>;
+			};
+			hmc7044_c5: channel@5 {
+				reg = <5>;
+				adi,extended-name = "FMC_CLK_COPY";
+				adi,divider = <8>;
+				adi,driver-mode = <HMC7044_DRIVER_MODE_LVDS>;
+			};
+			hmc7044_c7: channel@7 {
+				reg = <7>;
+				adi,extended-name = "FMC_REFCLK";
+				adi,divider = <4>;
+				adi,driver-mode = <HMC7044_DRIVER_MODE_LVDS>;
+			};
+			hmc7044_c9: channel@9 {
+				reg = <9>;
+				adi,extended-name = "FMC_REFCLK_COPY";
+				adi,divider = <4>;
+				adi,driver-mode = <HMC7044_DRIVER_MODE_LVDS>;
+			};
+			hmc7044_c11: channel@11 {
+				reg = <11>;
+				adi,extended-name = "CORE_CLK";
+				adi,divider = <8>;
+				adi,driver-mode = <HMC7044_DRIVER_MODE_LVDS>;
+			};
+			hmc7044_c14: channel@14 {
+				reg = <14>;
+				adi,extended-name = "ADF_CLK";
+				adi,divider = <1>;
+				adi,driver-mode = <HMC7044_DRIVER_MODE_CMOS>;
+				adi,driver-impedance-mode = <HMC7044_DRIVER_IMPEDANCE_100_OHM>;
+			};
+		};
+
+		adf4371: adf4371@1 {
+			compatible = "adi,adf4371";
+			reg = <1>;
+
+			#address-cells = <1>;
+			#clock-cells = <1>;
+			#size-cells = <0>;
+
+			jesd204-device;
+			#jesd204-cells = <2>;
+			jesd204-inputs = <&adc_ad9213 0 0>;
+
+			spi-max-frequency = <10000000>;
+			adi,spi-3wire-enable;
+			adi,muxout-select = <1>;
+			clocks = <&hmc7044 14>;
+			clock-names = "clkin";
+			clock-output-names = "pll0-clk-rf8", "pll0-clk-rfaux8",
+				"pll0-clk-rf16", "pll0-clk-rf32";
+
+			channel@2 {
+				reg = <2>;
+				adi,output-enable;
+				adi,power-up-frequency = /bits/ 64 <10000000000>;
+			};
+		};
+	};
+
+	axi_spi: spi@44a70000 {
+		status = "okay";
+
+		adc_ad9213: ad9213@0 {
+			compatible = "adi,ad9213";
+			reg = <0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			spi-max-frequency = <10000000>;
+
+			jesd204-device;
+			#jesd204-cells = <2>;
+			jesd204-top-device = <0>; /* This is the TOP device */
+			jesd204-link-ids = <0>;
+			jesd204-inputs = <&axi_ad9213_jesd_rx 0 0>;
+
+			adi,adc-frequency-hz = /bits/ 64 <10000000000>;
+			adi,octets-per-frame = <2>;
+			adi,frames-per-multiframe = <32>;
+			adi,converter-resolution = <16>;
+			adi,bits-per-sample = <16>;
+			adi,converters-per-device = <1>;
+			adi,control-bits-per-sample = <0>;
+			adi,lanes-per-device = <16>;
+			adi,subclass = <1>;
+
+			io-backends = <&iio_backend>;
+		};
+	};
+};