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Thu, 14 May 2020 20:49:49 +0000 From: Jonathan Bakker To: jic23@kernel.org, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, robh+dt@kernel.org, linus.walleij@linaro.org, kstewart@linuxfoundation.org, tglx@linutronix.de, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Jonathan Bakker Subject: [PATCH v2 7/7] iio: accel: Add bma150/smb380 support to bma180 Date: Thu, 14 May 2020 13:49:01 -0700 Message-ID: X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200514204901.3199-1-xc-racer2@live.ca> References: <20200514204901.3199-1-xc-racer2@live.ca> Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-ClientProxiedBy: MWHPR1701CA0009.namprd17.prod.outlook.com (2603:10b6:301:14::19) To BN6PR04MB0660.namprd04.prod.outlook.com (2603:10b6:404:d9::21) X-Microsoft-Original-Message-ID: <20200514204901.3199-8-xc-racer2@live.ca> MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from jon-hp-6570b.telus (2001:569:fb68:9c00:8067:f823:1e15:7520) by MWHPR1701CA0009.namprd17.prod.outlook.com (2603:10b6:301:14::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3000.25 via Frontend Transport; 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Signed-off-by: Jonathan Bakker --- drivers/iio/accel/Kconfig | 6 ++-- drivers/iio/accel/bma180.c | 71 +++++++++++++++++++++++++++++++++++--- 2 files changed, 70 insertions(+), 7 deletions(-) diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig index 60d1be99f93b..109ae0c8b35d 100644 --- a/drivers/iio/accel/Kconfig +++ b/drivers/iio/accel/Kconfig @@ -89,13 +89,13 @@ config ADXL372_I2C module will be called adxl372_i2c. config BMA180 - tristate "Bosch BMA023/BMA180/BMA25x 3-Axis Accelerometer Driver" + tristate "Bosch BMA023/BMA1x0/BMA25x 3-Axis Accelerometer Driver" depends on I2C && INPUT_BMA150=n select IIO_BUFFER select IIO_TRIGGERED_BUFFER help - Say Y here if you want to build a driver for the Bosch BMA023, BMA180 - or BMA25x triaxial acceleration sensor. + Say Y here if you want to build a driver for the Bosch BMA023, BMA150 + BMA180, SMB380, or BMA25x triaxial acceleration sensor. To compile this driver as a module, choose M here: the module will be called bma180. diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c index 23da0a79b0c4..265722e4b13f 100644 --- a/drivers/iio/accel/bma180.c +++ b/drivers/iio/accel/bma180.c @@ -7,7 +7,7 @@ * Support for BMA250 (c) Peter Meerwald * * SPI is not supported by driver - * BMA023: 7-bit I2C slave address 0x38 + * BMA023/BMA150/SMB380: 7-bit I2C slave address 0x38 * BMA180: 7-bit I2C slave address 0x40 or 0x41 * BMA250: 7-bit I2C slave address 0x18 or 0x19 * BMA254: 7-bit I2C slave address 0x18 or 0x19 @@ -35,6 +35,7 @@ enum chip_ids { BMA023, + BMA150, BMA180, BMA250, BMA254, @@ -565,8 +566,12 @@ static int bma180_read_raw(struct iio_dev *indio_dev, iio_device_release_direct_mode(indio_dev); if (ret < 0) return ret; - *val = sign_extend32(ret >> chan->scan_type.shift, - chan->scan_type.realbits - 1); + if (chan->scan_type.sign == 's') { + *val = sign_extend32(ret >> chan->scan_type.shift, + chan->scan_type.realbits - 1); + } else { + *val = ret; + } return IIO_VAL_INT; case IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY: *val = data->bw; @@ -691,6 +696,18 @@ static const struct iio_chan_spec_ext_info bma180_ext_info[] = { .ext_info = bma023_ext_info, \ } +#define BMA150_TEMP_CHANNEL { \ + .type = IIO_TEMP, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_SCALE) | BIT(IIO_CHAN_INFO_OFFSET), \ + .scan_index = TEMP, \ + .scan_type = { \ + .sign = 'u', \ + .realbits = 8, \ + .storagebits = 16, \ + }, \ +} + #define BMA180_ACC_CHANNEL(_axis, _bits) { \ .type = IIO_ACCEL, \ .modified = 1, \ @@ -727,6 +744,14 @@ static const struct iio_chan_spec bma023_channels[] = { IIO_CHAN_SOFT_TIMESTAMP(4), }; +static const struct iio_chan_spec bma150_channels[] = { + BMA023_ACC_CHANNEL(X, 10), + BMA023_ACC_CHANNEL(Y, 10), + BMA023_ACC_CHANNEL(Z, 10), + BMA150_TEMP_CHANNEL, + IIO_CHAN_SOFT_TIMESTAMP(4), +}; + static const struct iio_chan_spec bma180_channels[] = { BMA180_ACC_CHANNEL(X, 14), BMA180_ACC_CHANNEL(Y, 14), @@ -781,6 +806,34 @@ static const struct bma180_part_info bma180_part_info[] = { .chip_config = bma023_chip_config, .chip_disable = bma023_chip_disable, }, + [BMA150] = { + .chip_id = BMA023_ID_REG_VAL, + .channels = bma150_channels, + .num_channels = ARRAY_SIZE(bma150_channels), + .scale_table = bma023_scale_table, + .num_scales = ARRAY_SIZE(bma023_scale_table), + .bw_table = bma023_bw_table, + .num_bw = ARRAY_SIZE(bma023_bw_table), + .temp_offset = -60, /* 0 LSB @ -30 degree C */ + .int_reset_reg = BMA023_CTRL_REG0, + .int_reset_mask = BMA023_INT_RESET_MASK, + .sleep_reg = BMA023_CTRL_REG0, + .sleep_mask = BMA023_SLEEP, + .bw_reg = BMA023_CTRL_REG2, + .bw_mask = BMA023_BW_MASK, + .scale_reg = BMA023_CTRL_REG2, + .scale_mask = BMA023_RANGE_MASK, + /* No power mode on bma150 */ + .power_reg = 0, + .power_mask = 0, + .lowpower_val = 0, + .int_enable_reg = BMA023_CTRL_REG3, + .int_enable_mask = BMA023_NEW_DATA_INT, + .softreset_reg = BMA023_CTRL_REG0, + .softreset_val = BMA023_RESET_VAL, + .chip_config = bma023_chip_config, + .chip_disable = bma023_chip_disable, + }, [BMA180] = { .chip_id = BMA180_ID_REG_VAL, .channels = bma180_channels, @@ -1105,9 +1158,11 @@ static SIMPLE_DEV_PM_OPS(bma180_pm_ops, bma180_suspend, bma180_resume); static const struct i2c_device_id bma180_ids[] = { { "bma023", BMA023 }, + { "bma150", BMA150 }, { "bma180", BMA180 }, { "bma250", BMA250 }, { "bma254", BMA254 }, + { "smb380", BMA150 }, { } }; @@ -1118,6 +1173,10 @@ static const struct of_device_id bma180_of_match[] = { .compatible = "bosch,bma023", .data = (void *)BMA023 }, + { + .compatible = "bosch,bma150", + .data = (void *)BMA150 + }, { .compatible = "bosch,bma180", .data = (void *)BMA180 @@ -1130,6 +1189,10 @@ static const struct of_device_id bma180_of_match[] = { .compatible = "bosch,bma254", .data = (void *)BMA254 }, + { + .compatible = "bosch,smb380", + .data = (void *)BMA150 + }, { } }; MODULE_DEVICE_TABLE(of, bma180_of_match); @@ -1149,5 +1212,5 @@ module_i2c_driver(bma180_driver); MODULE_AUTHOR("Kravchenko Oleksandr "); MODULE_AUTHOR("Texas Instruments, Inc."); -MODULE_DESCRIPTION("Bosch BMA023/BMA180/BMA25x triaxial acceleration sensor"); +MODULE_DESCRIPTION("Bosch BMA023/BMA1x0/BMA25x triaxial acceleration sensor"); MODULE_LICENSE("GPL"); -- 2.20.1