iio: frequency: adf4377: add support for ADF4377

The ADF4377 is a high performance, ultralow jitter, dual output integer-N
phased locked loop (PLL) with integrated voltage controlled oscillator
(VCO) ideally suited for data converter and mixed signal front end (MxFE)
clock applications.

Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/adf4377.pdfSigned-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20221115110041.71495-2-antoniu.miclaus@analog.comSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/frequency/Kconfig

@@ -50,6 +50,16 @@ config ADF4371
 	  To compile this driver as a module, choose M here: the
 	  module will be called adf4371.
 
+config ADF4377
+	tristate "Analog Devices ADF4377 Microwave Wideband Synthesizer"
+	depends on SPI && COMMON_CLK
+	help
+	  Say yes here to build support for Analog Devices ADF4377 Microwave
+	  Wideband Synthesizer.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called adf4377.
+
 config ADMV1013
 	tristate "Analog Devices ADMV1013 Microwave Upconverter"
 	depends on SPI && COMMON_CLK

drivers/iio/frequency/Makefile

@@ -7,6 +7,7 @@
 obj-$(CONFIG_AD9523) += ad9523.o
 obj-$(CONFIG_ADF4350) += adf4350.o
 obj-$(CONFIG_ADF4371) += adf4371.o
+obj-$(CONFIG_ADF4377) += adf4377.o
 obj-$(CONFIG_ADMV1013) += admv1013.o
 obj-$(CONFIG_ADMV1014) += admv1014.o
 obj-$(CONFIG_ADMV4420) += admv4420.o