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Sun, 13 Sep 2026 01:54:04 -0700 (PDT) From: Shehryar Ahmad To: jic23@kernel.org Cc: nuno.sa@analog.com, Michael.Hennerich@analog.com, dlechner@baylibre.com, andy@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, gregkh@linuxfoundation.org, linux@analog.com, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev, devicetree@vger.kernel.org, Shehryar Ahmad Subject: [PATCH v2 4/6] iio: accel: adis16201: add ADIS16203 support Date: Sun, 13 Sep 2026 13:53:05 +0500 Message-ID: <20260913085307.13846-5-shehryar.amd@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260913085307.13846-1-shehryar.amd@gmail.com> References: <20260913085307.13846-1-shehryar.amd@gmail.com> Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add ADIS16203 from staging to mainline ADIS16201. ADIS16203 shares same SPI protocol and register addresses. Differing parameters are handled by adis16201_chip_info structure. ADIS16203 specific support includes DIAG_STAT_SELFTEST_FAIL_BIT, which is supported only on ADIS16203, and a separate channel array. Kconfig is updated accordingly. Signed-off-by: Shehryar Ahmad --- drivers/iio/accel/Kconfig | 6 +++--- drivers/iio/accel/adis16201.c | 32 ++++++++++++++++++++++++++++++-- 2 files changed, 33 insertions(+), 5 deletions(-) diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig index 4094299e2..f884ec66f 100644 --- a/drivers/iio/accel/Kconfig +++ b/drivers/iio/accel/Kconfig @@ -7,13 +7,13 @@ menu "Accelerometers" config ADIS16201 - tristate "Analog Devices ADIS16201 Dual-Axis Digital Inclinometer and Accelerometer" + tristate "ADIS16201 Digital Inclinometer and similar" depends on SPI select IIO_ADIS_LIB select IIO_ADIS_LIB_BUFFER if IIO_BUFFER help - Say Y here to build support for Analog Devices adis16201 dual-axis - digital inclinometer and accelerometer. + Say Y here to build support for Analog Devices adis16201 Digital + Inclinometer and similar To compile this driver as a module, say M here: the module will be called adis16201. diff --git a/drivers/iio/accel/adis16201.c b/drivers/iio/accel/adis16201.c index e0bf7df50..8e8e612fd 100644 --- a/drivers/iio/accel/adis16201.c +++ b/drivers/iio/accel/adis16201.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-or-later /* - * ADIS16201 Dual-Axis Digital Inclinometer and Accelerometer + * ADIS16201 Digital Inclinometer and similar * * Copyright 2010 Analog Devices Inc. */ @@ -63,6 +63,7 @@ #define ADIS16201_DIAG_STAT_REG 0x3C #define ADIS16201_DIAG_STAT_ALARM2 BIT(9) #define ADIS16201_DIAG_STAT_ALARM1 BIT(8) +#define ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT 5 /* ADIS16203 only */ #define ADIS16201_DIAG_STAT_SPI_FAIL_BIT 3 #define ADIS16201_DIAG_STAT_FLASH_UPT_FAIL_BIT 2 /* Power supply above 3.625 V */ @@ -232,6 +233,15 @@ static const struct iio_chan_spec adis16201_channels[] = { IIO_CHAN_SOFT_TIMESTAMP(7) }; +static const struct iio_chan_spec adis16203_channels[] = { + ADIS_SUPPLY_CHAN(ADIS16201_SUPPLY_OUT_REG, ADIS16201_SCAN_SUPPLY, 0, 12), + ADIS_TEMP_CHAN(ADIS16201_TEMP_OUT_REG, ADIS16201_SCAN_TEMP, 0, 12), + ADIS_AUX_ADC_CHAN(ADIS16201_AUX_ADC_REG, ADIS16201_SCAN_AUX_ADC, 0, 12), + ADIS_INCLI_CHAN(X, ADIS16201_XINCL_OUT_REG, ADIS16201_SCAN_INCLI_X, + BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14), + IIO_CHAN_SOFT_TIMESTAMP(7), +}; + static const struct adis16201_chip_info adis16201_chip_data = { .arr_channels = adis16201_channels, .incli_scale_val2 = 100000, @@ -246,6 +256,21 @@ static const struct adis16201_chip_info adis16201_chip_data = { .name = "adis16201", }; +static const struct adis16201_chip_info adis16203_chip_data = { + .arr_channels = adis16203_channels, + .incli_scale_val2 = 25000, + .write_mask_incli = GENMASK(13, 0), + .diag_stat_mask = + BIT(ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT) | + BIT(ADIS16201_DIAG_STAT_SPI_FAIL_BIT) | + BIT(ADIS16201_DIAG_STAT_FLASH_UPT_FAIL_BIT) | + BIT(ADIS16201_DIAG_STAT_POWER_HIGH_BIT) | + BIT(ADIS16201_DIAG_STAT_POWER_LOW_BIT), + .read_bits_incli = 14, + .num_channels = ARRAY_SIZE(adis16203_channels), + .name = "adis16203", +}; + static const struct iio_info adis16201_info = { .read_raw = adis16201_read_raw, .write_raw = adis16201_write_raw, @@ -253,6 +278,7 @@ static const struct iio_info adis16201_info = { }; static const char * const adis16201_status_error_msgs[] = { + [ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT] = "Self test failure", [ADIS16201_DIAG_STAT_SPI_FAIL_BIT] = "SPI failure", [ADIS16201_DIAG_STAT_FLASH_UPT_FAIL_BIT] = "Flash update failed", [ADIS16201_DIAG_STAT_POWER_HIGH_BIT] = "Power supply above 3.625V", @@ -322,6 +348,7 @@ static int adis16201_probe(struct spi_device *spi) static const struct of_device_id adis16201_of_match[] = { { .compatible = "adi,adis16201", .data = &adis16201_chip_data }, + { .compatible = "adi,adis16203", .data = &adis16203_chip_data }, { }, }; @@ -329,6 +356,7 @@ MODULE_DEVICE_TABLE(of, adis16201_of_match); static const struct spi_device_id adis16201_ids[] = { { .name = "adis16201", .driver_data = (kernel_ulong_t)&adis16201_chip_data }, + { .name = "adis16203", .driver_data = (kernel_ulong_t)&adis16203_chip_data }, { }, }; @@ -345,6 +373,6 @@ static struct spi_driver adis16201_driver = { module_spi_driver(adis16201_driver); MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>"); -MODULE_DESCRIPTION("Analog Devices ADIS16201 Dual-Axis Digital Inclinometer and Accelerometer"); +MODULE_DESCRIPTION("Analog Devices ADIS16201 Inclinometer and similar"); MODULE_LICENSE("GPL v2"); MODULE_IMPORT_NS("IIO_ADISLIB"); -- 2.43.0