From 7a948c5e05febd23ee8e61db95c3dc96737fe17f Mon Sep 17 00:00:00 2001 From: GrĂ©gor Boirie Date: Tue, 1 Mar 2016 11:31:37 +0100 Subject: iio:pressure:ms5611: complete DT support Add device-tree ID tables and document bindings. Signed-off-by: Gregor Boirie Acked-by: Rob Herring Signed-off-by: Jonathan Cameron --- .../devicetree/bindings/iio/pressure/ms5611.txt | 19 +++++++++++++++++++ Documentation/devicetree/bindings/vendor-prefixes.txt | 1 + 2 files changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/pressure/ms5611.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/iio/pressure/ms5611.txt b/Documentation/devicetree/bindings/iio/pressure/ms5611.txt new file mode 100644 index 000000000000..17bca866c084 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/pressure/ms5611.txt @@ -0,0 +1,19 @@ +MEAS ms5611 family pressure sensors + +Pressure sensors from MEAS Switzerland with SPI and I2C bus interfaces. + +Required properties: +- compatible: "meas,ms5611" or "meas,ms5607" +- reg: the I2C address or SPI chip select the device will respond to + +Optional properties: +- vdd-supply: an optional regulator that needs to be on to provide VDD + power to the sensor. + +Example: + +ms5607@77 { + compatible = "meas,ms5607"; + reg = <0x77>; + vdd-supply = <&ldo_3v3_gnss>; +}; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 44ddc980b085..7733f8ca5e7b 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -136,6 +136,7 @@ lsi LSI Corp. (LSI Logic) lltc Linear Technology Corporation marvell Marvell Technology Group Ltd. maxim Maxim Integrated Products +meas Measurement Specialties mediatek MediaTek Inc. melexis Melexis N.V. merrii Merrii Technology Co., Ltd. -- cgit v1.2.3 From 63d5d525cbbc8938d9fa3d6d6fbd4183e784b6e9 Mon Sep 17 00:00:00 2001 From: Gregor Boirie Date: Thu, 3 Mar 2016 11:44:05 +0100 Subject: iio:magnetometer:ak8975: power regulator support Add support for an optional regulator which, if found into device-tree, will power on device at probing time. The regulator is declared into ak8975 DTS entry as a "vdd-supply" property. Signed-off-by: Gregor Boirie Signed-off-by: Jonathan Cameron --- .../devicetree/bindings/iio/magnetometer/ak8975.txt | 2 ++ drivers/iio/magnetometer/ak8975.c | 16 ++++++++++++++++ 2 files changed, 18 insertions(+) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/iio/magnetometer/ak8975.txt b/Documentation/devicetree/bindings/iio/magnetometer/ak8975.txt index 011679f1a425..34a3206eefdf 100644 --- a/Documentation/devicetree/bindings/iio/magnetometer/ak8975.txt +++ b/Documentation/devicetree/bindings/iio/magnetometer/ak8975.txt @@ -8,6 +8,7 @@ Required properties: Optional properties: - gpios : should be device tree identifier of the magnetometer DRDY pin + - vdd-supply: an optional regulator that needs to be on to provide VDD Example: @@ -15,4 +16,5 @@ ak8975@0c { compatible = "asahi-kasei,ak8975"; reg = <0x0c>; gpios = <&gpj0 7 0>; + vdd-supply = <&ldo_3v3_gnss>; }; diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c index 896b13e39dae..72c03d9fbeb2 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -32,6 +32,7 @@ #include #include #include +#include #include #include @@ -379,8 +380,23 @@ static int ak8975_who_i_am(struct i2c_client *client, enum asahi_compass_chipset type) { u8 wia_val[2]; + struct regulator *vdd = devm_regulator_get_optional(&client->dev, + "vdd"); int ret; + /* Enable attached regulator if any. */ + if (!IS_ERR(vdd)) { + ret = regulator_enable(vdd); + if (ret) { + dev_err(&client->dev, "Failed to enable Vdd supply\n"); + return ret; + } + } else { + ret = PTR_ERR(vdd); + if (ret != -ENODEV) + return ret; + } + /* * Signature for each device: * Device | WIA1 | WIA2 -- cgit v1.2.3 From 1e52fefc9b0c481f8ca860e19781720fb5404383 Mon Sep 17 00:00:00 2001 From: Tiberiu Breana Date: Wed, 9 Mar 2016 14:06:14 +0200 Subject: iio: accel: Add support for the h3lis331dl accelerometer This commit adds support for STMicroelectronics h3lis331dl high-g accelerometer. The datasheet for this device can be found here: http://www.st.com/web/en/resource/technical/document/ datasheet/DM00053090.pdf Signed-off-by: Tiberiu Breana Reviewed-by: Denis Ciocca Acked-by: Denis Ciocca Signed-off-by: Jonathan Cameron --- .../devicetree/bindings/iio/st-sensors.txt | 1 + drivers/iio/accel/Kconfig | 2 +- drivers/iio/accel/st_accel.h | 1 + drivers/iio/accel/st_accel_core.c | 92 ++++++++++++++++++++++ drivers/iio/accel/st_accel_i2c.c | 4 + 5 files changed, 99 insertions(+), 1 deletion(-) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/iio/st-sensors.txt b/Documentation/devicetree/bindings/iio/st-sensors.txt index d4b87cc1e446..71b7bdff21cd 100644 --- a/Documentation/devicetree/bindings/iio/st-sensors.txt +++ b/Documentation/devicetree/bindings/iio/st-sensors.txt @@ -37,6 +37,7 @@ Accelerometers: - st,lsm330-accel - st,lsm303agr-accel - st,lis2dh12-accel +- st,h3lis331dl-accel Gyroscopes: - st,l3g4200d-gyro diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig index b0d3ecf3318b..7636eec63ea5 100644 --- a/drivers/iio/accel/Kconfig +++ b/drivers/iio/accel/Kconfig @@ -64,7 +64,7 @@ config IIO_ST_ACCEL_3AXIS help Say yes here to build support for STMicroelectronics accelerometers: LSM303DLH, LSM303DLHC, LIS3DH, LSM330D, LSM330DL, LSM330DLC, - LIS331DLH, LSM303DL, LSM303DLM, LSM330, LIS2DH12. + LIS331DLH, LSM303DL, LSM303DLM, LSM330, LIS2DH12, H3LIS331DL. This driver can also be built as a module. If so, these modules will be created: diff --git a/drivers/iio/accel/st_accel.h b/drivers/iio/accel/st_accel.h index 5d4a1897b293..57f83a67948c 100644 --- a/drivers/iio/accel/st_accel.h +++ b/drivers/iio/accel/st_accel.h @@ -14,6 +14,7 @@ #include #include +#define H3LIS331DL_DRIVER_NAME "h3lis331dl_accel" #define LIS3LV02DL_ACCEL_DEV_NAME "lis3lv02dl_accel" #define LSM303DLHC_ACCEL_DEV_NAME "lsm303dlhc_accel" #define LIS3DH_ACCEL_DEV_NAME "lis3dh" diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c index a03a1417dd63..fee32e3d7a05 100644 --- a/drivers/iio/accel/st_accel_core.c +++ b/drivers/iio/accel/st_accel_core.c @@ -39,6 +39,9 @@ #define ST_ACCEL_FS_AVL_6G 6 #define ST_ACCEL_FS_AVL_8G 8 #define ST_ACCEL_FS_AVL_16G 16 +#define ST_ACCEL_FS_AVL_100G 100 +#define ST_ACCEL_FS_AVL_200G 200 +#define ST_ACCEL_FS_AVL_400G 400 /* CUSTOM VALUES FOR SENSOR 1 */ #define ST_ACCEL_1_WAI_EXP 0x33 @@ -181,6 +184,33 @@ #define ST_ACCEL_5_IG1_EN_MASK 0x08 #define ST_ACCEL_5_MULTIREAD_BIT false +/* CUSTOM VALUES FOR SENSOR 6 */ +#define ST_ACCEL_6_WAI_EXP 0x32 +#define ST_ACCEL_6_ODR_ADDR 0x20 +#define ST_ACCEL_6_ODR_MASK 0x18 +#define ST_ACCEL_6_ODR_AVL_50HZ_VAL 0x00 +#define ST_ACCEL_6_ODR_AVL_100HZ_VAL 0x01 +#define ST_ACCEL_6_ODR_AVL_400HZ_VAL 0x02 +#define ST_ACCEL_6_ODR_AVL_1000HZ_VAL 0x03 +#define ST_ACCEL_6_PW_ADDR 0x20 +#define ST_ACCEL_6_PW_MASK 0x20 +#define ST_ACCEL_6_FS_ADDR 0x23 +#define ST_ACCEL_6_FS_MASK 0x30 +#define ST_ACCEL_6_FS_AVL_100_VAL 0x00 +#define ST_ACCEL_6_FS_AVL_200_VAL 0x01 +#define ST_ACCEL_6_FS_AVL_400_VAL 0x03 +#define ST_ACCEL_6_FS_AVL_100_GAIN IIO_G_TO_M_S_2(49000) +#define ST_ACCEL_6_FS_AVL_200_GAIN IIO_G_TO_M_S_2(98000) +#define ST_ACCEL_6_FS_AVL_400_GAIN IIO_G_TO_M_S_2(195000) +#define ST_ACCEL_6_BDU_ADDR 0x23 +#define ST_ACCEL_6_BDU_MASK 0x80 +#define ST_ACCEL_6_DRDY_IRQ_ADDR 0x22 +#define ST_ACCEL_6_DRDY_IRQ_INT1_MASK 0x02 +#define ST_ACCEL_6_DRDY_IRQ_INT2_MASK 0x10 +#define ST_ACCEL_6_IHL_IRQ_ADDR 0x22 +#define ST_ACCEL_6_IHL_IRQ_MASK 0x80 +#define ST_ACCEL_6_MULTIREAD_BIT true + static const struct iio_chan_spec st_accel_8bit_channels[] = { ST_SENSORS_LSM_CHANNELS(IIO_ACCEL, BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), @@ -557,6 +587,68 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = { .multi_read_bit = ST_ACCEL_5_MULTIREAD_BIT, .bootime = 2, /* guess */ }, + { + .wai = ST_ACCEL_6_WAI_EXP, + .wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS, + .sensors_supported = { + [0] = H3LIS331DL_DRIVER_NAME, + }, + .ch = (struct iio_chan_spec *)st_accel_12bit_channels, + .odr = { + .addr = ST_ACCEL_6_ODR_ADDR, + .mask = ST_ACCEL_6_ODR_MASK, + .odr_avl = { + { 50, ST_ACCEL_6_ODR_AVL_50HZ_VAL }, + { 100, ST_ACCEL_6_ODR_AVL_100HZ_VAL, }, + { 400, ST_ACCEL_6_ODR_AVL_400HZ_VAL, }, + { 1000, ST_ACCEL_6_ODR_AVL_1000HZ_VAL, }, + }, + }, + .pw = { + .addr = ST_ACCEL_6_PW_ADDR, + .mask = ST_ACCEL_6_PW_MASK, + .value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE, + .value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE, + }, + .enable_axis = { + .addr = ST_SENSORS_DEFAULT_AXIS_ADDR, + .mask = ST_SENSORS_DEFAULT_AXIS_MASK, + }, + .fs = { + .addr = ST_ACCEL_6_FS_ADDR, + .mask = ST_ACCEL_6_FS_MASK, + .fs_avl = { + [0] = { + .num = ST_ACCEL_FS_AVL_100G, + .value = ST_ACCEL_6_FS_AVL_100_VAL, + .gain = ST_ACCEL_6_FS_AVL_100_GAIN, + }, + [1] = { + .num = ST_ACCEL_FS_AVL_200G, + .value = ST_ACCEL_6_FS_AVL_200_VAL, + .gain = ST_ACCEL_6_FS_AVL_200_GAIN, + }, + [2] = { + .num = ST_ACCEL_FS_AVL_400G, + .value = ST_ACCEL_6_FS_AVL_400_VAL, + .gain = ST_ACCEL_6_FS_AVL_400_GAIN, + }, + }, + }, + .bdu = { + .addr = ST_ACCEL_6_BDU_ADDR, + .mask = ST_ACCEL_6_BDU_MASK, + }, + .drdy_irq = { + .addr = ST_ACCEL_6_DRDY_IRQ_ADDR, + .mask_int1 = ST_ACCEL_6_DRDY_IRQ_INT1_MASK, + .mask_int2 = ST_ACCEL_6_DRDY_IRQ_INT2_MASK, + .addr_ihl = ST_ACCEL_6_IHL_IRQ_ADDR, + .mask_ihl = ST_ACCEL_6_IHL_IRQ_MASK, + }, + .multi_read_bit = ST_ACCEL_6_MULTIREAD_BIT, + .bootime = 2, + }, }; static int st_accel_read_raw(struct iio_dev *indio_dev, diff --git a/drivers/iio/accel/st_accel_i2c.c b/drivers/iio/accel/st_accel_i2c.c index 294a32f89367..7333ee9fb11b 100644 --- a/drivers/iio/accel/st_accel_i2c.c +++ b/drivers/iio/accel/st_accel_i2c.c @@ -76,6 +76,10 @@ static const struct of_device_id st_accel_of_match[] = { .compatible = "st,lis2dh12-accel", .data = LIS2DH12_ACCEL_DEV_NAME, }, + { + .compatible = "st,h3lis331dl-accel", + .data = H3LIS331DL_DRIVER_NAME, + }, {}, }; MODULE_DEVICE_TABLE(of, st_accel_of_match); -- cgit v1.2.3 From e8731180fbf6fd45351b587d67cdc0685ce99a7a Mon Sep 17 00:00:00 2001 From: Martin Kepplinger Date: Wed, 9 Mar 2016 12:01:29 +0100 Subject: iio: mma8452: add support for FXLS8471Q This adds support for Freescale's (now NXP's) FXLS8471Q accelerometer. We use MMA8451Q's configuration because for what the driver supports, FXLS8471Q is the same. Support for FXLS8471Q's features (fast SPI interface and a larger FIFO, among others) can be added to this driver anytime. See it's datasheet for the details: http://cache.nxp.com/files/sensors/doc/data_sheet/FXLS8471Q.pdf Signed-off-by: Martin Kepplinger Signed-off-by: Jonathan Cameron --- .../devicetree/bindings/iio/accel/mma8452.txt | 3 ++- drivers/iio/accel/Kconfig | 3 ++- drivers/iio/accel/mma8452.c | 22 ++++++++++++++++++++++ 3 files changed, 26 insertions(+), 2 deletions(-) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/iio/accel/mma8452.txt b/Documentation/devicetree/bindings/iio/accel/mma8452.txt index 165937e1ac1c..45f5c5c5929c 100644 --- a/Documentation/devicetree/bindings/iio/accel/mma8452.txt +++ b/Documentation/devicetree/bindings/iio/accel/mma8452.txt @@ -1,4 +1,4 @@ -Freescale MMA8451Q, MMA8452Q, MMA8453Q, MMA8652FC or MMA8653FC +Freescale MMA8451Q, MMA8452Q, MMA8453Q, MMA8652FC, MMA8653FC or FXLS8471Q triaxial accelerometer Required properties: @@ -9,6 +9,7 @@ Required properties: * "fsl,mma8453" * "fsl,mma8652" * "fsl,mma8653" + * "fsl,fxls8471" - reg: the I2C address of the chip diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig index 7636eec63ea5..e4a758cd7d35 100644 --- a/drivers/iio/accel/Kconfig +++ b/drivers/iio/accel/Kconfig @@ -143,7 +143,8 @@ config MMA8452 select IIO_TRIGGERED_BUFFER help Say yes here to build support for the following Freescale 3-axis - accelerometers: MMA8451Q, MMA8452Q, MMA8453Q, MMA8652FC, MMA8653FC. + accelerometers: MMA8451Q, MMA8452Q, MMA8453Q, MMA8652FC, MMA8653FC, + FXLS8471Q. To compile this driver as a module, choose M here: the module will be called mma8452. diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c index 5ca0d169f912..305ed0e37dfb 100644 --- a/drivers/iio/accel/mma8452.c +++ b/drivers/iio/accel/mma8452.c @@ -6,6 +6,7 @@ * MMA8453Q (10 bit) * MMA8652FC (12 bit) * MMA8653FC (10 bit) + * FXLS8471Q (14 bit) * * Copyright 2015 Martin Kepplinger * Copyright 2014 Peter Meerwald @@ -92,6 +93,7 @@ #define MMA8453_DEVICE_ID 0x3a #define MMA8652_DEVICE_ID 0x4a #define MMA8653_DEVICE_ID 0x5a +#define FXLS8471_DEVICE_ID 0x6a #define MMA8452_AUTO_SUSPEND_DELAY_MS 2000 @@ -1055,6 +1057,7 @@ enum { mma8453, mma8652, mma8653, + fxls8471, }; static const struct mma_chip_info mma_chip_info_table[] = { @@ -1146,6 +1149,22 @@ static const struct mma_chip_info mma_chip_info_table[] = { .ev_ths_mask = MMA8452_FF_MT_THS_MASK, .ev_count = MMA8452_FF_MT_COUNT, }, + [fxls8471] = { + .chip_id = FXLS8471_DEVICE_ID, + .channels = mma8451_channels, + .num_channels = ARRAY_SIZE(mma8451_channels), + .mma_scales = { {0, 2394}, {0, 4788}, {0, 9577} }, + .ev_cfg = MMA8452_TRANSIENT_CFG, + .ev_cfg_ele = MMA8452_TRANSIENT_CFG_ELE, + .ev_cfg_chan_shift = 1, + .ev_src = MMA8452_TRANSIENT_SRC, + .ev_src_xe = MMA8452_TRANSIENT_SRC_XTRANSE, + .ev_src_ye = MMA8452_TRANSIENT_SRC_YTRANSE, + .ev_src_ze = MMA8452_TRANSIENT_SRC_ZTRANSE, + .ev_ths = MMA8452_TRANSIENT_THS, + .ev_ths_mask = MMA8452_TRANSIENT_THS_MASK, + .ev_count = MMA8452_TRANSIENT_COUNT, + }, }; static struct attribute *mma8452_attributes[] = { @@ -1275,6 +1294,7 @@ static const struct of_device_id mma8452_dt_ids[] = { { .compatible = "fsl,mma8453", .data = &mma_chip_info_table[mma8453] }, { .compatible = "fsl,mma8652", .data = &mma_chip_info_table[mma8652] }, { .compatible = "fsl,mma8653", .data = &mma_chip_info_table[mma8653] }, + { .compatible = "fsl,fxls8471", .data = &mma_chip_info_table[fxls8471] }, { } }; MODULE_DEVICE_TABLE(of, mma8452_dt_ids); @@ -1312,6 +1332,7 @@ static int mma8452_probe(struct i2c_client *client, case MMA8453_DEVICE_ID: case MMA8652_DEVICE_ID: case MMA8653_DEVICE_ID: + case FXLS8471_DEVICE_ID: if (ret == data->chip_info->chip_id) break; default: @@ -1518,6 +1539,7 @@ static const struct i2c_device_id mma8452_id[] = { { "mma8453", mma8453 }, { "mma8652", mma8652 }, { "mma8653", mma8653 }, + { "fxls8471", fxls8471 }, { } }; MODULE_DEVICE_TABLE(i2c, mma8452_id); -- cgit v1.2.3 From edcb2d26c10206b35a5736139f5dce02fc4bbdc9 Mon Sep 17 00:00:00 2001 From: Joachim Eastwood Date: Sat, 12 Mar 2016 13:30:15 +0100 Subject: dt: document NXP LPC1850 ADC driver bindings Signed-off-by: Joachim Eastwood Signed-off-by: Jonathan Cameron --- .../devicetree/bindings/iio/adc/lpc1850-adc.txt | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/lpc1850-adc.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/iio/adc/lpc1850-adc.txt b/Documentation/devicetree/bindings/iio/adc/lpc1850-adc.txt new file mode 100644 index 000000000000..0bcae5140bc5 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/lpc1850-adc.txt @@ -0,0 +1,21 @@ +NXP LPC1850 ADC bindings + +Required properties: +- compatible: Should be "nxp,lpc1850-adc" +- reg: Offset and length of the register set for the ADC device +- interrupts: The interrupt number for the ADC device +- clocks: The root clock of the ADC controller +- vref-supply: The regulator supply ADC reference voltage +- resets: phandle to reset controller and line specifier + +Example: + +adc0: adc@400e3000 { + compatible = "nxp,lpc1850-adc"; + reg = <0x400e3000 0x1000>; + interrupts = <17>; + clocks = <&ccu1 CLK_APB3_ADC0>; + vref-supply = <®_vdda>; + resets = <&rgu 40>; + status = "disabled"; +}; -- cgit v1.2.3 From d03b65967c902f4e8c0bd139542a9e4a7cc9a10d Mon Sep 17 00:00:00 2001 From: Joachim Eastwood Date: Sat, 12 Mar 2016 13:30:17 +0100 Subject: dt: document NXP LPC1850 DAC driver bindings Signed-off-by: Joachim Eastwood Acked-by: Rob Herring Signed-off-by: Jonathan Cameron --- .../devicetree/bindings/iio/dac/lpc1850-dac.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/dac/lpc1850-dac.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/iio/dac/lpc1850-dac.txt b/Documentation/devicetree/bindings/iio/dac/lpc1850-dac.txt new file mode 100644 index 000000000000..7d6647d4af5e --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dac/lpc1850-dac.txt @@ -0,0 +1,20 @@ +NXP LPC1850 DAC bindings + +Required properties: +- compatible: Should be "nxp,lpc1850-dac" +- reg: Offset and length of the register set for the ADC device +- interrupts: The interrupt number for the ADC device +- clocks: The root clock of the ADC controller +- vref-supply: The regulator supply ADC reference voltage +- resets: phandle to reset controller and line specifier + +Example: +dac: dac@400e1000 { + compatible = "nxp,lpc1850-dac"; + reg = <0x400e1000 0x1000>; + interrupts = <0>; + clocks = <&ccu1 CLK_APB3_DAC>; + vref-supply = <®_vdda>; + resets = <&rgu 42>; + status = "disabled"; +}; -- cgit v1.2.3 From 4fbcfa09f9e7b8b51af23bacf6e9adc45b6d0f3b Mon Sep 17 00:00:00 2001 From: Peter Meerwald Date: Sun, 13 Mar 2016 16:02:22 +0100 Subject: iio: ABI: Fix typo in in_proximity_raw description Signed-off-by: Peter Meerwald Signed-off-by: Jonathan Cameron --- Documentation/ABI/testing/sysfs-bus-iio | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'Documentation') diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index 3c6624881375..17a9210fa6b5 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -1233,7 +1233,7 @@ KernelVersion: 3.4 Contact: linux-iio@vger.kernel.org Description: Proximity measurement indicating that some - object is near the sensor, usually be observing + object is near the sensor, usually by observing reflectivity of infrared or ultrasound emitted. Often these sensors are unit less and as such conversion to SI units is not possible. Higher proximity measurements -- cgit v1.2.3 From ae549a72212c94c757fa3ecbcaa986cc9d2e2b96 Mon Sep 17 00:00:00 2001 From: David Wu Date: Wed, 16 Mar 2016 01:44:15 +0800 Subject: iio: adc: rockchip_saradc: add saradc support for rk3399 The ADC is a 6-channel signal-ended 10-bit Successive Approximation Register (SAR) A/D Converter. Signed-off-by: David Wu Signed-off-by: Jonathan Cameron --- .../devicetree/bindings/iio/adc/rockchip-saradc.txt | 6 +++++- drivers/iio/adc/rockchip_saradc.c | 19 +++++++++++++++++++ 2 files changed, 24 insertions(+), 1 deletion(-) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt b/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt index a9a5fe19ff2a..bf99e2f24788 100644 --- a/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt +++ b/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt @@ -1,7 +1,11 @@ Rockchip Successive Approximation Register (SAR) A/D Converter bindings Required properties: -- compatible: Should be "rockchip,saradc" or "rockchip,rk3066-tsadc" +- compatible: should be "rockchip,-saradc" or "rockchip,rk3066-tsadc" + - "rockchip,saradc": for rk3188, rk3288 + - "rockchip,rk3066-tsadc": for rk3036 + - "rockchip,rk3399-saradc": for rk3399 + - reg: physical base address of the controller and length of memory mapped region. - interrupts: The interrupt number to the cpu. The interrupt specifier format diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c index 9c311c1e1ac7..f9ad6c2d6821 100644 --- a/drivers/iio/adc/rockchip_saradc.c +++ b/drivers/iio/adc/rockchip_saradc.c @@ -159,6 +159,22 @@ static const struct rockchip_saradc_data rk3066_tsadc_data = { .clk_rate = 50000, }; +static const struct iio_chan_spec rockchip_rk3399_saradc_iio_channels[] = { + ADC_CHANNEL(0, "adc0"), + ADC_CHANNEL(1, "adc1"), + ADC_CHANNEL(2, "adc2"), + ADC_CHANNEL(3, "adc3"), + ADC_CHANNEL(4, "adc4"), + ADC_CHANNEL(5, "adc5"), +}; + +static const struct rockchip_saradc_data rk3399_saradc_data = { + .num_bits = 10, + .channels = rockchip_rk3399_saradc_iio_channels, + .num_channels = ARRAY_SIZE(rockchip_rk3399_saradc_iio_channels), + .clk_rate = 1000000, +}; + static const struct of_device_id rockchip_saradc_match[] = { { .compatible = "rockchip,saradc", @@ -166,6 +182,9 @@ static const struct of_device_id rockchip_saradc_match[] = { }, { .compatible = "rockchip,rk3066-tsadc", .data = &rk3066_tsadc_data, + }, { + .compatible = "rockchip,rk3399-saradc", + .data = &rk3399_saradc_data, }, {}, }; -- cgit v1.2.3 From 22d199a53910e2b1666bf873f10779a66844c126 Mon Sep 17 00:00:00 2001 From: Slawomir Stepien Date: Wed, 23 Mar 2016 09:57:20 +0100 Subject: iio: potentiometer: add driver for Microchip MCP413X/414X/415X/416X/423X/424X/425X/426X The following functionalities are supported: - write, read from volatile memory Datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/22060b.pdf Signed-off-by: Slawomir Stepien Reviewed-by: Joachim Eastwood Signed-off-by: Jonathan Cameron --- .../bindings/iio/potentiometer/mcp4131.txt | 84 ++++ drivers/iio/potentiometer/Kconfig | 18 + drivers/iio/potentiometer/Makefile | 1 + drivers/iio/potentiometer/mcp4131.c | 494 +++++++++++++++++++++ 4 files changed, 597 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/potentiometer/mcp4131.txt create mode 100644 drivers/iio/potentiometer/mcp4131.c (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/iio/potentiometer/mcp4131.txt b/Documentation/devicetree/bindings/iio/potentiometer/mcp4131.txt new file mode 100644 index 000000000000..3ccba16f7035 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/potentiometer/mcp4131.txt @@ -0,0 +1,84 @@ +* Microchip MCP413X/414X/415X/416X/423X/424X/425X/426X Digital Potentiometer + driver + +The node for this driver must be a child node of a SPI controller, hence +all mandatory properties described in + + Documentation/devicetree/bindings/spi/spi-bus.txt + +must be specified. + +Required properties: + - compatible: Must be one of the following, depending on the + model: + "microchip,mcp4131-502" + "microchip,mcp4131-103" + "microchip,mcp4131-503" + "microchip,mcp4131-104" + "microchip,mcp4132-502" + "microchip,mcp4132-103" + "microchip,mcp4132-503" + "microchip,mcp4132-104" + "microchip,mcp4141-502" + "microchip,mcp4141-103" + "microchip,mcp4141-503" + "microchip,mcp4141-104" + "microchip,mcp4142-502" + "microchip,mcp4142-103" + "microchip,mcp4142-503" + "microchip,mcp4142-104" + "microchip,mcp4151-502" + "microchip,mcp4151-103" + "microchip,mcp4151-503" + "microchip,mcp4151-104" + "microchip,mcp4152-502" + "microchip,mcp4152-103" + "microchip,mcp4152-503" + "microchip,mcp4152-104" + "microchip,mcp4161-502" + "microchip,mcp4161-103" + "microchip,mcp4161-503" + "microchip,mcp4161-104" + "microchip,mcp4162-502" + "microchip,mcp4162-103" + "microchip,mcp4162-503" + "microchip,mcp4162-104" + "microchip,mcp4231-502" + "microchip,mcp4231-103" + "microchip,mcp4231-503" + "microchip,mcp4231-104" + "microchip,mcp4232-502" + "microchip,mcp4232-103" + "microchip,mcp4232-503" + "microchip,mcp4232-104" + "microchip,mcp4241-502" + "microchip,mcp4241-103" + "microchip,mcp4241-503" + "microchip,mcp4241-104" + "microchip,mcp4242-502" + "microchip,mcp4242-103" + "microchip,mcp4242-503" + "microchip,mcp4242-104" + "microchip,mcp4251-502" + "microchip,mcp4251-103" + "microchip,mcp4251-503" + "microchip,mcp4251-104" + "microchip,mcp4252-502" + "microchip,mcp4252-103" + "microchip,mcp4252-503" + "microchip,mcp4252-104" + "microchip,mcp4261-502" + "microchip,mcp4261-103" + "microchip,mcp4261-503" + "microchip,mcp4261-104" + "microchip,mcp4262-502" + "microchip,mcp4262-103" + "microchip,mcp4262-503" + "microchip,mcp4262-104" + +Example: +mcp4131: mcp4131@0 { + compatible = "mcp4131-502"; + reg = <0>; + spi-max-frequency = <500000>; +}; diff --git a/drivers/iio/potentiometer/Kconfig b/drivers/iio/potentiometer/Kconfig index ffc735c168fb..7ea069bbca2d 100644 --- a/drivers/iio/potentiometer/Kconfig +++ b/drivers/iio/potentiometer/Kconfig @@ -5,6 +5,24 @@ menu "Digital potentiometers" +config MCP4131 + tristate "Microchip MCP413X/414X/415X/416X/423X/424X/425X/426X Digital Potentiometer driver" + depends on SPI + help + Say yes here to build support for the Microchip + MCP4131, MCP4132, + MCP4141, MCP4142, + MCP4151, MCP4152, + MCP4161, MCP4162, + MCP4231, MCP4232, + MCP4241, MCP4242, + MCP4251, MCP4252, + MCP4261, MCP4262, + digital potentiomenter chips. + + To compile this driver as a module, choose M here: the + module will be called mcp4131. + config MCP4531 tristate "Microchip MCP45xx/MCP46xx Digital Potentiometer driver" depends on I2C diff --git a/drivers/iio/potentiometer/Makefile b/drivers/iio/potentiometer/Makefile index b563b492b486..91a80f8db24d 100644 --- a/drivers/iio/potentiometer/Makefile +++ b/drivers/iio/potentiometer/Makefile @@ -3,5 +3,6 @@ # # When adding new entries keep the list in alphabetical order +obj-$(CONFIG_MCP4131) += mcp4131.o obj-$(CONFIG_MCP4531) += mcp4531.o obj-$(CONFIG_TPL0102) += tpl0102.o diff --git a/drivers/iio/potentiometer/mcp4131.c b/drivers/iio/potentiometer/mcp4131.c new file mode 100644 index 000000000000..4e7e2c6c522c --- /dev/null +++ b/drivers/iio/potentiometer/mcp4131.c @@ -0,0 +1,494 @@ +/* + * Industrial I/O driver for Microchip digital potentiometers + * + * Copyright (c) 2016 Slawomir Stepien + * Based on: Peter Rosin's code from mcp4531.c + * + * Datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/22060b.pdf + * + * DEVID #Wipers #Positions Resistor Opts (kOhm) + * mcp4131 1 129 5, 10, 50, 100 + * mcp4132 1 129 5, 10, 50, 100 + * mcp4141 1 129 5, 10, 50, 100 + * mcp4142 1 129 5, 10, 50, 100 + * mcp4151 1 257 5, 10, 50, 100 + * mcp4152 1 257 5, 10, 50, 100 + * mcp4161 1 257 5, 10, 50, 100 + * mcp4162 1 257 5, 10, 50, 100 + * mcp4231 2 129 5, 10, 50, 100 + * mcp4232 2 129 5, 10, 50, 100 + * mcp4241 2 129 5, 10, 50, 100 + * mcp4242 2 129 5, 10, 50, 100 + * mcp4251 2 257 5, 10, 50, 100 + * mcp4252 2 257 5, 10, 50, 100 + * mcp4261 2 257 5, 10, 50, 100 + * mcp4262 2 257 5, 10, 50, 100 + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + */ + +/* + * TODO: + * 1. Write wiper setting to EEPROM for EEPROM capable models. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define MCP4131_WRITE (0x00 << 2) +#define MCP4131_READ (0x03 << 2) + +#define MCP4131_WIPER_SHIFT 4 +#define MCP4131_CMDERR(r) ((r[0]) & 0x02) +#define MCP4131_RAW(r) ((r[0]) == 0xff ? 0x100 : (r[1])) + +struct mcp4131_cfg { + int wipers; + int max_pos; + int kohms; +}; + +enum mcp4131_type { + MCP413x_502 = 0, + MCP413x_103, + MCP413x_503, + MCP413x_104, + MCP414x_502, + MCP414x_103, + MCP414x_503, + MCP414x_104, + MCP415x_502, + MCP415x_103, + MCP415x_503, + MCP415x_104, + MCP416x_502, + MCP416x_103, + MCP416x_503, + MCP416x_104, + MCP423x_502, + MCP423x_103, + MCP423x_503, + MCP423x_104, + MCP424x_502, + MCP424x_103, + MCP424x_503, + MCP424x_104, + MCP425x_502, + MCP425x_103, + MCP425x_503, + MCP425x_104, + MCP426x_502, + MCP426x_103, + MCP426x_503, + MCP426x_104, +}; + +static const struct mcp4131_cfg mcp4131_cfg[] = { + [MCP413x_502] = { .wipers = 1, .max_pos = 128, .kohms = 5, }, + [MCP413x_103] = { .wipers = 1, .max_pos = 128, .kohms = 10, }, + [MCP413x_503] = { .wipers = 1, .max_pos = 128, .kohms = 50, }, + [MCP413x_104] = { .wipers = 1, .max_pos = 128, .kohms = 100, }, + [MCP414x_502] = { .wipers = 1, .max_pos = 128, .kohms = 5, }, + [MCP414x_103] = { .wipers = 1, .max_pos = 128, .kohms = 10, }, + [MCP414x_503] = { .wipers = 1, .max_pos = 128, .kohms = 50, }, + [MCP414x_104] = { .wipers = 1, .max_pos = 128, .kohms = 100, }, + [MCP415x_502] = { .wipers = 1, .max_pos = 256, .kohms = 5, }, + [MCP415x_103] = { .wipers = 1, .max_pos = 256, .kohms = 10, }, + [MCP415x_503] = { .wipers = 1, .max_pos = 256, .kohms = 50, }, + [MCP415x_104] = { .wipers = 1, .max_pos = 256, .kohms = 100, }, + [MCP416x_502] = { .wipers = 1, .max_pos = 256, .kohms = 5, }, + [MCP416x_103] = { .wipers = 1, .max_pos = 256, .kohms = 10, }, + [MCP416x_503] = { .wipers = 1, .max_pos = 256, .kohms = 50, }, + [MCP416x_104] = { .wipers = 1, .max_pos = 256, .kohms = 100, }, + [MCP423x_502] = { .wipers = 2, .max_pos = 128, .kohms = 5, }, + [MCP423x_103] = { .wipers = 2, .max_pos = 128, .kohms = 10, }, + [MCP423x_503] = { .wipers = 2, .max_pos = 128, .kohms = 50, }, + [MCP423x_104] = { .wipers = 2, .max_pos = 128, .kohms = 100, }, + [MCP424x_502] = { .wipers = 2, .max_pos = 128, .kohms = 5, }, + [MCP424x_103] = { .wipers = 2, .max_pos = 128, .kohms = 10, }, + [MCP424x_503] = { .wipers = 2, .max_pos = 128, .kohms = 50, }, + [MCP424x_104] = { .wipers = 2, .max_pos = 128, .kohms = 100, }, + [MCP425x_502] = { .wipers = 2, .max_pos = 256, .kohms = 5, }, + [MCP425x_103] = { .wipers = 2, .max_pos = 256, .kohms = 10, }, + [MCP425x_503] = { .wipers = 2, .max_pos = 256, .kohms = 50, }, + [MCP425x_104] = { .wipers = 2, .max_pos = 256, .kohms = 100, }, + [MCP426x_502] = { .wipers = 2, .max_pos = 256, .kohms = 5, }, + [MCP426x_103] = { .wipers = 2, .max_pos = 256, .kohms = 10, }, + [MCP426x_503] = { .wipers = 2, .max_pos = 256, .kohms = 50, }, + [MCP426x_104] = { .wipers = 2, .max_pos = 256, .kohms = 100, }, +}; + +struct mcp4131_data { + struct spi_device *spi; + const struct mcp4131_cfg *cfg; + struct mutex lock; + u8 buf[2] ____cacheline_aligned; +}; + +#define MCP4131_CHANNEL(ch) { \ + .type = IIO_RESISTANCE, \ + .indexed = 1, \ + .output = 1, \ + .channel = (ch), \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ +} + +static const struct iio_chan_spec mcp4131_channels[] = { + MCP4131_CHANNEL(0), + MCP4131_CHANNEL(1), +}; + +static int mcp4131_read(struct spi_device *spi, void *buf, size_t len) +{ + struct spi_transfer t = { + .tx_buf = buf, /* We need to send addr, cmd and 12 bits */ + .rx_buf = buf, + .len = len, + }; + struct spi_message m; + + spi_message_init(&m); + spi_message_add_tail(&t, &m); + + return spi_sync(spi, &m); +} + +static int mcp4131_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, int *val2, long mask) +{ + int err; + struct mcp4131_data *data = iio_priv(indio_dev); + int address = chan->channel; + + switch (mask) { + case IIO_CHAN_INFO_RAW: + mutex_lock(&data->lock); + + data->buf[0] = (address << MCP4131_WIPER_SHIFT) | MCP4131_READ; + data->buf[1] = 0; + + err = mcp4131_read(data->spi, data->buf, 2); + if (err) { + mutex_unlock(&data->lock); + return err; + } + + /* Error, bad address/command combination */ + if (!MCP4131_CMDERR(data->buf)) { + mutex_unlock(&data->lock); + return -EIO; + } + + *val = MCP4131_RAW(data->buf); + mutex_unlock(&data->lock); + + return IIO_VAL_INT; + + case IIO_CHAN_INFO_SCALE: + *val = 1000 * data->cfg->kohms; + *val2 = data->cfg->max_pos; + return IIO_VAL_FRACTIONAL; + } + + return -EINVAL; +} + +static int mcp4131_write_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int val, int val2, long mask) +{ + int err; + struct mcp4131_data *data = iio_priv(indio_dev); + int address = chan->channel << MCP4131_WIPER_SHIFT; + + switch (mask) { + case IIO_CHAN_INFO_RAW: + if (val > data->cfg->max_pos || val < 0) + return -EINVAL; + break; + + default: + return -EINVAL; + } + + mutex_lock(&data->lock); + + data->buf[0] = address << MCP4131_WIPER_SHIFT; + data->buf[0] |= MCP4131_WRITE | (val >> 8); + data->buf[1] = val & 0xFF; /* 8 bits here */ + + err = spi_write(data->spi, data->buf, 2); + mutex_unlock(&data->lock); + + return err; +} + +static const struct iio_info mcp4131_info = { + .read_raw = mcp4131_read_raw, + .write_raw = mcp4131_write_raw, + .driver_module = THIS_MODULE, +}; + +static int mcp4131_probe(struct spi_device *spi) +{ + int err; + struct device *dev = &spi->dev; + unsigned long devid = spi_get_device_id(spi)->driver_data; + struct mcp4131_data *data; + struct iio_dev *indio_dev; + + indio_dev = devm_iio_device_alloc(dev, sizeof(*data)); + if (!indio_dev) + return -ENOMEM; + + data = iio_priv(indio_dev); + spi_set_drvdata(spi, indio_dev); + data->spi = spi; + data->cfg = &mcp4131_cfg[devid]; + + mutex_init(&data->lock); + + indio_dev->dev.parent = dev; + indio_dev->info = &mcp4131_info; + indio_dev->channels = mcp4131_channels; + indio_dev->num_channels = data->cfg->wipers; + indio_dev->name = spi_get_device_id(spi)->name; + + err = devm_iio_device_register(dev, indio_dev); + if (err) { + dev_info(&spi->dev, "Unable to register %s\n", indio_dev->name); + return err; + } + + return 0; +} + +#if defined(CONFIG_OF) +static const struct of_device_id mcp4131_dt_ids[] = { + { .compatible = "microchip,mcp4131-502", + .data = &mcp4131_cfg[MCP413x_502] }, + { .compatible = "microchip,mcp4131-103", + .data = &mcp4131_cfg[MCP413x_103] }, + { .compatible = "microchip,mcp4131-503", + .data = &mcp4131_cfg[MCP413x_503] }, + { .compatible = "microchip,mcp4131-104", + .data = &mcp4131_cfg[MCP413x_104] }, + { .compatible = "microchip,mcp4132-502", + .data = &mcp4131_cfg[MCP413x_502] }, + { .compatible = "microchip,mcp4132-103", + .data = &mcp4131_cfg[MCP413x_103] }, + { .compatible = "microchip,mcp4132-503", + .data = &mcp4131_cfg[MCP413x_503] }, + { .compatible = "microchip,mcp4132-104", + .data = &mcp4131_cfg[MCP413x_104] }, + { .compatible = "microchip,mcp4141-502", + .data = &mcp4131_cfg[MCP414x_502] }, + { .compatible = "microchip,mcp4141-103", + .data = &mcp4131_cfg[MCP414x_103] }, + { .compatible = "microchip,mcp4141-503", + .data = &mcp4131_cfg[MCP414x_503] }, + { .compatible = "microchip,mcp4141-104", + .data = &mcp4131_cfg[MCP414x_104] }, + { .compatible = "microchip,mcp4142-502", + .data = &mcp4131_cfg[MCP414x_502] }, + { .compatible = "microchip,mcp4142-103", + .data = &mcp4131_cfg[MCP414x_103] }, + { .compatible = "microchip,mcp4142-503", + .data = &mcp4131_cfg[MCP414x_503] }, + { .compatible = "microchip,mcp4142-104", + .data = &mcp4131_cfg[MCP414x_104] }, + { .compatible = "microchip,mcp4151-502", + .data = &mcp4131_cfg[MCP415x_502] }, + { .compatible = "microchip,mcp4151-103", + .data = &mcp4131_cfg[MCP415x_103] }, + { .compatible = "microchip,mcp4151-503", + .data = &mcp4131_cfg[MCP415x_503] }, + { .compatible = "microchip,mcp4151-104", + .data = &mcp4131_cfg[MCP415x_104] }, + { .compatible = "microchip,mcp4152-502", + .data = &mcp4131_cfg[MCP415x_502] }, + { .compatible = "microchip,mcp4152-103", + .data = &mcp4131_cfg[MCP415x_103] }, + { .compatible = "microchip,mcp4152-503", + .data = &mcp4131_cfg[MCP415x_503] }, + { .compatible = "microchip,mcp4152-104", + .data = &mcp4131_cfg[MCP415x_104] }, + { .compatible = "microchip,mcp4161-502", + .data = &mcp4131_cfg[MCP416x_502] }, + { .compatible = "microchip,mcp4161-103", + .data = &mcp4131_cfg[MCP416x_103] }, + { .compatible = "microchip,mcp4161-503", + .data = &mcp4131_cfg[MCP416x_503] }, + { .compatible = "microchip,mcp4161-104", + .data = &mcp4131_cfg[MCP416x_104] }, + { .compatible = "microchip,mcp4162-502", + .data = &mcp4131_cfg[MCP416x_502] }, + { .compatible = "microchip,mcp4162-103", + .data = &mcp4131_cfg[MCP416x_103] }, + { .compatible = "microchip,mcp4162-503", + .data = &mcp4131_cfg[MCP416x_503] }, + { .compatible = "microchip,mcp4162-104", + .data = &mcp4131_cfg[MCP416x_104] }, + { .compatible = "microchip,mcp4231-502", + .data = &mcp4131_cfg[MCP423x_502] }, + { .compatible = "microchip,mcp4231-103", + .data = &mcp4131_cfg[MCP423x_103] }, + { .compatible = "microchip,mcp4231-503", + .data = &mcp4131_cfg[MCP423x_503] }, + { .compatible = "microchip,mcp4231-104", + .data = &mcp4131_cfg[MCP423x_104] }, + { .compatible = "microchip,mcp4232-502", + .data = &mcp4131_cfg[MCP423x_502] }, + { .compatible = "microchip,mcp4232-103", + .data = &mcp4131_cfg[MCP423x_103] }, + { .compatible = "microchip,mcp4232-503", + .data = &mcp4131_cfg[MCP423x_503] }, + { .compatible = "microchip,mcp4232-104", + .data = &mcp4131_cfg[MCP423x_104] }, + { .compatible = "microchip,mcp4241-502", + .data = &mcp4131_cfg[MCP424x_502] }, + { .compatible = "microchip,mcp4241-103", + .data = &mcp4131_cfg[MCP424x_103] }, + { .compatible = "microchip,mcp4241-503", + .data = &mcp4131_cfg[MCP424x_503] }, + { .compatible = "microchip,mcp4241-104", + .data = &mcp4131_cfg[MCP424x_104] }, + { .compatible = "microchip,mcp4242-502", + .data = &mcp4131_cfg[MCP424x_502] }, + { .compatible = "microchip,mcp4242-103", + .data = &mcp4131_cfg[MCP424x_103] }, + { .compatible = "microchip,mcp4242-503", + .data = &mcp4131_cfg[MCP424x_503] }, + { .compatible = "microchip,mcp4242-104", + .data = &mcp4131_cfg[MCP424x_104] }, + { .compatible = "microchip,mcp4251-502", + .data = &mcp4131_cfg[MCP425x_502] }, + { .compatible = "microchip,mcp4251-103", + .data = &mcp4131_cfg[MCP425x_103] }, + { .compatible = "microchip,mcp4251-503", + .data = &mcp4131_cfg[MCP425x_503] }, + { .compatible = "microchip,mcp4251-104", + .data = &mcp4131_cfg[MCP425x_104] }, + { .compatible = "microchip,mcp4252-502", + .data = &mcp4131_cfg[MCP425x_502] }, + { .compatible = "microchip,mcp4252-103", + .data = &mcp4131_cfg[MCP425x_103] }, + { .compatible = "microchip,mcp4252-503", + .data = &mcp4131_cfg[MCP425x_503] }, + { .compatible = "microchip,mcp4252-104", + .data = &mcp4131_cfg[MCP425x_104] }, + { .compatible = "microchip,mcp4261-502", + .data = &mcp4131_cfg[MCP426x_502] }, + { .compatible = "microchip,mcp4261-103", + .data = &mcp4131_cfg[MCP426x_103] }, + { .compatible = "microchip,mcp4261-503", + .data = &mcp4131_cfg[MCP426x_503] }, + { .compatible = "microchip,mcp4261-104", + .data = &mcp4131_cfg[MCP426x_104] }, + { .compatible = "microchip,mcp4262-502", + .data = &mcp4131_cfg[MCP426x_502] }, + { .compatible = "microchip,mcp4262-103", + .data = &mcp4131_cfg[MCP426x_103] }, + { .compatible = "microchip,mcp4262-503", + .data = &mcp4131_cfg[MCP426x_503] }, + { .compatible = "microchip,mcp4262-104", + .data = &mcp4131_cfg[MCP426x_104] }, + {} +}; +MODULE_DEVICE_TABLE(of, mcp4131_dt_ids); +#endif /* CONFIG_OF */ + +static const struct spi_device_id mcp4131_id[] = { + { "mcp4131-502", MCP413x_502 }, + { "mcp4131-103", MCP413x_103 }, + { "mcp4131-503", MCP413x_503 }, + { "mcp4131-104", MCP413x_104 }, + { "mcp4132-502", MCP413x_502 }, + { "mcp4132-103", MCP413x_103 }, + { "mcp4132-503", MCP413x_503 }, + { "mcp4132-104", MCP413x_104 }, + { "mcp4141-502", MCP414x_502 }, + { "mcp4141-103", MCP414x_103 }, + { "mcp4141-503", MCP414x_503 }, + { "mcp4141-104", MCP414x_104 }, + { "mcp4142-502", MCP414x_502 }, + { "mcp4142-103", MCP414x_103 }, + { "mcp4142-503", MCP414x_503 }, + { "mcp4142-104", MCP414x_104 }, + { "mcp4151-502", MCP415x_502 }, + { "mcp4151-103", MCP415x_103 }, + { "mcp4151-503", MCP415x_503 }, + { "mcp4151-104", MCP415x_104 }, + { "mcp4152-502", MCP415x_502 }, + { "mcp4152-103", MCP415x_103 }, + { "mcp4152-503", MCP415x_503 }, + { "mcp4152-104", MCP415x_104 }, + { "mcp4161-502", MCP416x_502 }, + { "mcp4161-103", MCP416x_103 }, + { "mcp4161-503", MCP416x_503 }, + { "mcp4161-104", MCP416x_104 }, + { "mcp4162-502", MCP416x_502 }, + { "mcp4162-103", MCP416x_103 }, + { "mcp4162-503", MCP416x_503 }, + { "mcp4162-104", MCP416x_104 }, + { "mcp4231-502", MCP423x_502 }, + { "mcp4231-103", MCP423x_103 }, + { "mcp4231-503", MCP423x_503 }, + { "mcp4231-104", MCP423x_104 }, + { "mcp4232-502", MCP423x_502 }, + { "mcp4232-103", MCP423x_103 }, + { "mcp4232-503", MCP423x_503 }, + { "mcp4232-104", MCP423x_104 }, + { "mcp4241-502", MCP424x_502 }, + { "mcp4241-103", MCP424x_103 }, + { "mcp4241-503", MCP424x_503 }, + { "mcp4241-104", MCP424x_104 }, + { "mcp4242-502", MCP424x_502 }, + { "mcp4242-103", MCP424x_103 }, + { "mcp4242-503", MCP424x_503 }, + { "mcp4242-104", MCP424x_104 }, + { "mcp4251-502", MCP425x_502 }, + { "mcp4251-103", MCP425x_103 }, + { "mcp4251-503", MCP425x_503 }, + { "mcp4251-104", MCP425x_104 }, + { "mcp4252-502", MCP425x_502 }, + { "mcp4252-103", MCP425x_103 }, + { "mcp4252-503", MCP425x_503 }, + { "mcp4252-104", MCP425x_104 }, + { "mcp4261-502", MCP426x_502 }, + { "mcp4261-103", MCP426x_103 }, + { "mcp4261-503", MCP426x_503 }, + { "mcp4261-104", MCP426x_104 }, + { "mcp4262-502", MCP426x_502 }, + { "mcp4262-103", MCP426x_103 }, + { "mcp4262-503", MCP426x_503 }, + { "mcp4262-104", MCP426x_104 }, + {} +}; +MODULE_DEVICE_TABLE(spi, mcp4131_id); + +static struct spi_driver mcp4131_driver = { + .driver = { + .name = "mcp4131", + .of_match_table = of_match_ptr(mcp4131_dt_ids), + }, + .probe = mcp4131_probe, + .id_table = mcp4131_id, +}; + +module_spi_driver(mcp4131_driver); + +MODULE_AUTHOR("Slawomir Stepien "); +MODULE_DESCRIPTION("MCP4131 digital potentiometer"); +MODULE_LICENSE("GPL v2"); -- cgit v1.2.3 From 2c5ff1f9a6240d7d2d0928021cb76e421d6aacaf Mon Sep 17 00:00:00 2001 From: Peter Meerwald-Stadler Date: Sun, 20 Mar 2016 16:20:22 +0100 Subject: iio: Add modifier for UV light Signed-off-by: Peter Meerwald-Stadler Signed-off-by: Jonathan Cameron --- Documentation/ABI/testing/sysfs-bus-iio | 4 +++- drivers/iio/industrialio-core.c | 1 + include/uapi/linux/iio/types.h | 1 + tools/iio/iio_event_monitor.c | 2 ++ 4 files changed, 7 insertions(+), 1 deletion(-) (limited to 'Documentation') diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index 17a9210fa6b5..6fb9180e7661 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -1255,12 +1255,14 @@ Description: What: /sys/.../iio:deviceX/in_intensityY_raw What: /sys/.../iio:deviceX/in_intensityY_ir_raw What: /sys/.../iio:deviceX/in_intensityY_both_raw +What: /sys/.../iio:deviceX/in_intensityY_uv_raw KernelVersion: 3.4 Contact: linux-iio@vger.kernel.org Description: Unit-less light intensity. Modifiers both and ir indicate that measurements contains visible and infrared light - components or just infrared light, respectively. + components or just infrared light, respectively. Modifier uv indicates + that measurements contain ultraviolet light components. What: /sys/.../iio:deviceX/in_intensity_red_integration_time What: /sys/.../iio:deviceX/in_intensity_green_integration_time diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index 2e768bc99f05..88353ae0ec07 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -101,6 +101,7 @@ static const char * const iio_modifier_names[] = { [IIO_MOD_LIGHT_RED] = "red", [IIO_MOD_LIGHT_GREEN] = "green", [IIO_MOD_LIGHT_BLUE] = "blue", + [IIO_MOD_LIGHT_UV] = "uv", [IIO_MOD_QUATERNION] = "quaternion", [IIO_MOD_TEMP_AMBIENT] = "ambient", [IIO_MOD_TEMP_OBJECT] = "object", diff --git a/include/uapi/linux/iio/types.h b/include/uapi/linux/iio/types.h index c077617f3304..9337eceb9f9d 100644 --- a/include/uapi/linux/iio/types.h +++ b/include/uapi/linux/iio/types.h @@ -77,6 +77,7 @@ enum iio_modifier { IIO_MOD_Q, IIO_MOD_CO2, IIO_MOD_VOC, + IIO_MOD_LIGHT_UV, }; enum iio_event_type { diff --git a/tools/iio/iio_event_monitor.c b/tools/iio/iio_event_monitor.c index 90980f586f7a..8d7d9797480b 100644 --- a/tools/iio/iio_event_monitor.c +++ b/tools/iio/iio_event_monitor.c @@ -93,6 +93,7 @@ static const char * const iio_modifier_names[] = { [IIO_MOD_LIGHT_RED] = "red", [IIO_MOD_LIGHT_GREEN] = "green", [IIO_MOD_LIGHT_BLUE] = "blue", + [IIO_MOD_LIGHT_UV] = "uv", [IIO_MOD_QUATERNION] = "quaternion", [IIO_MOD_TEMP_AMBIENT] = "ambient", [IIO_MOD_TEMP_OBJECT] = "object", @@ -172,6 +173,7 @@ static bool event_is_known(struct iio_event_data *event) case IIO_MOD_LIGHT_RED: case IIO_MOD_LIGHT_GREEN: case IIO_MOD_LIGHT_BLUE: + case IIO_MOD_LIGHT_UV: case IIO_MOD_QUATERNION: case IIO_MOD_TEMP_AMBIENT: case IIO_MOD_TEMP_OBJECT: -- cgit v1.2.3 From d409404cf6e201c2980c7148484c350f33a7912e Mon Sep 17 00:00:00 2001 From: Peter Meerwald-Stadler Date: Sun, 20 Mar 2016 16:20:23 +0100 Subject: iio: Add channel for UV index UV index indicating strength of sunburn-producing ultraviolet (UV) radiation Signed-off-by: Peter Meerwald-Stadler Signed-off-by: Jonathan Cameron --- Documentation/ABI/testing/sysfs-bus-iio | 9 +++++++++ drivers/iio/industrialio-core.c | 1 + include/uapi/linux/iio/types.h | 1 + tools/iio/iio_event_monitor.c | 2 ++ 4 files changed, 13 insertions(+) (limited to 'Documentation') diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index 6fb9180e7661..f155eff910f9 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -1264,6 +1264,15 @@ Description: components or just infrared light, respectively. Modifier uv indicates that measurements contain ultraviolet light components. +What: /sys/.../iio:deviceX/in_uvindex_input +KernelVersion: 4.6 +Contact: linux-iio@vger.kernel.org +Description: + UV light intensity index measuring the human skin's response to + different wavelength of sunlight weighted according to the + standardised CIE Erythemal Action Spectrum. UV index values range + from 0 (low) to >=11 (extreme). + What: /sys/.../iio:deviceX/in_intensity_red_integration_time What: /sys/.../iio:deviceX/in_intensity_green_integration_time What: /sys/.../iio:deviceX/in_intensity_blue_integration_time diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index 88353ae0ec07..190a5939fd8c 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -79,6 +79,7 @@ static const char * const iio_chan_type_name_spec[] = { [IIO_CONCENTRATION] = "concentration", [IIO_RESISTANCE] = "resistance", [IIO_PH] = "ph", + [IIO_UVINDEX] = "uvindex", }; static const char * const iio_modifier_names[] = { diff --git a/include/uapi/linux/iio/types.h b/include/uapi/linux/iio/types.h index 9337eceb9f9d..b0916fc72cce 100644 --- a/include/uapi/linux/iio/types.h +++ b/include/uapi/linux/iio/types.h @@ -38,6 +38,7 @@ enum iio_chan_type { IIO_CONCENTRATION, IIO_RESISTANCE, IIO_PH, + IIO_UVINDEX, }; enum iio_modifier { diff --git a/tools/iio/iio_event_monitor.c b/tools/iio/iio_event_monitor.c index 8d7d9797480b..d9b7e0f306c6 100644 --- a/tools/iio/iio_event_monitor.c +++ b/tools/iio/iio_event_monitor.c @@ -56,6 +56,7 @@ static const char * const iio_chan_type_name_spec[] = { [IIO_CONCENTRATION] = "concentration", [IIO_RESISTANCE] = "resistance", [IIO_PH] = "ph", + [IIO_UVINDEX] = "uvindex", }; static const char * const iio_ev_type_text[] = { @@ -147,6 +148,7 @@ static bool event_is_known(struct iio_event_data *event) case IIO_CONCENTRATION: case IIO_RESISTANCE: case IIO_PH: + case IIO_UVINDEX: break; default: return false; -- cgit v1.2.3