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Mon, 24 Jun 2019 08:12:15 -0700 Received: from linux.ad.analog.com (10.32.226.41) by NWD2HUBCAS7.ad.analog.com (10.64.69.107) with Microsoft SMTP Server id 14.3.408.0; Mon, 24 Jun 2019 11:12:15 -0400 From: Stefan Popa To: CC: , , , , , , , Subject: [PATCH 2/4] iio: frequency: adf4371: Add support for ADF4372 PLL Date: Mon, 24 Jun 2019 18:12:12 +0300 Message-ID: <1561389132-26182-1-git-send-email-stefan.popa@analog.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain X-ADIRoutedOnPrem: True X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:137.71.25.57;IPV:NLI;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(39860400002)(136003)(346002)(376002)(396003)(2980300002)(199004)(189003)(2351001)(70586007)(7636002)(305945005)(5660300002)(70206006)(47776003)(8936002)(6916009)(7696005)(478600001)(51416003)(50226002)(6306002)(6666004)(356004)(186003)(48376002)(966005)(72206003)(2906002)(50466002)(14444005)(316002)(26005)(106002)(54906003)(8676002)(336012)(77096007)(16586007)(126002)(476003)(2616005)(44832011)(246002)(36756003)(426003)(486006)(4326008)(107886003);DIR:OUT;SFP:1101;SCL:1;SRVR:DM5PR03MB3129;H:nwd2mta2.analog.com;FPR:;SPF:Pass;LANG:en;PTR:nwd2mail11.analog.com;A:1;MX:1; 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As a result, the ADF4372 allows frequencies from 62.5 MHz to 16 GHz to be generated. Datasheet: Link: https://www.analog.com/media/en/technical-documentation/data-sheets/adf4372.pdf Signed-off-by: Stefan Popa --- drivers/iio/frequency/Kconfig | 6 +++--- drivers/iio/frequency/adf4371.c | 31 ++++++++++++++++++++++++++++--- 2 files changed, 31 insertions(+), 6 deletions(-) diff --git a/drivers/iio/frequency/Kconfig b/drivers/iio/frequency/Kconfig index e4a921f..353914b 100644 --- a/drivers/iio/frequency/Kconfig +++ b/drivers/iio/frequency/Kconfig @@ -39,12 +39,12 @@ config ADF4350 module will be called adf4350. config ADF4371 - tristate "Analog Devices ADF4371 Wideband Synthesizer" + tristate "Analog Devices ADF4371/ADF4372 Wideband Synthesizers" depends on SPI select REGMAP_SPI help - Say yes here to build support for Analog Devices ADF4371 - Wideband Synthesizer. The driver provides direct access via sysfs. + Say yes here to build support for Analog Devices ADF4371 and ADF4372 + Wideband Synthesizers. The driver provides direct access via sysfs. To compile this driver as a module, choose M here: the module will be called adf4371. diff --git a/drivers/iio/frequency/adf4371.c b/drivers/iio/frequency/adf4371.c index d8c414b..f874219 100644 --- a/drivers/iio/frequency/adf4371.c +++ b/drivers/iio/frequency/adf4371.c @@ -87,6 +87,11 @@ enum { ADF4371_CH_RF32 }; +enum adf4371_variant { + ADF4371, + ADF4372 +}; + struct adf4371_pwrdown { unsigned int reg; unsigned int bit; @@ -140,6 +145,11 @@ static const struct regmap_config adf4371_regmap_config = { .read_flag_mask = BIT(7), }; +struct adf4371_chip_info { + unsigned int num_channels; + const struct iio_chan_spec *channels; +}; + struct adf4371_state { struct spi_device *spi; struct regmap *regmap; @@ -152,6 +162,7 @@ struct adf4371_state { * writes. */ struct mutex lock; + const struct adf4371_chip_info *chip_info; unsigned long clkin_freq; unsigned long fpfd; unsigned int integer; @@ -429,6 +440,17 @@ static const struct iio_chan_spec adf4371_chan[] = { ADF4371_CHANNEL(ADF4371_CH_RF32), }; +static const struct adf4371_chip_info adf4371_chip_info[] = { + [ADF4371] = { + .channels = adf4371_chan, + .num_channels = 4, + }, + [ADF4372] = { + .channels = adf4371_chan, + .num_channels = 3, + } +}; + static int adf4371_reg_access(struct iio_dev *indio_dev, unsigned int reg, unsigned int writeval, @@ -537,12 +559,13 @@ static int adf4371_probe(struct spi_device *spi) st->regmap = regmap; mutex_init(&st->lock); + st->chip_info = &adf4371_chip_info[id->driver_data]; indio_dev->dev.parent = &spi->dev; indio_dev->name = id->name; indio_dev->info = &adf4371_info; indio_dev->modes = INDIO_DIRECT_MODE; - indio_dev->channels = adf4371_chan; - indio_dev->num_channels = ARRAY_SIZE(adf4371_chan); + indio_dev->channels = st->chip_info->channels; + indio_dev->num_channels = st->chip_info->num_channels; st->clkin = devm_clk_get(&spi->dev, "clkin"); if (IS_ERR(st->clkin)) @@ -568,13 +591,15 @@ static int adf4371_probe(struct spi_device *spi) } static const struct spi_device_id adf4371_id_table[] = { - { "adf4371", 0 }, + { "adf4371", ADF4371 }, + { "adf4372", ADF4372 }, {} }; MODULE_DEVICE_TABLE(spi, adf4371_id_table); static const struct of_device_id adf4371_of_match[] = { { .compatible = "adi,adf4371" }, + { .compatible = "adi,adf4372" }, { }, }; MODULE_DEVICE_TABLE(of, adf4371_of_match); -- 2.7.4