From bc2b7dab629a51e8beb5fda4222c62a23b729f26 Mon Sep 17 00:00:00 2001 From: Gregor Boirie Date: Wed, 9 Mar 2016 19:05:49 +0100 Subject: iio:core: timestamping clock selection support Adds a new per-device sysfs attribute "current_timestamp_clock" to allow userspace to select a particular POSIX clock for buffered samples and events timestamping. Following clocks, as listed in clock_gettime(2), are supported: CLOCK_REALTIME, CLOCK_MONOTONIC, CLOCK_MONOTONIC_RAW, CLOCK_REALTIME_COARSE, CLOCK_MONOTONIC_COARSE, CLOCK_BOOTTIME and CLOCK_TAI. Signed-off-by: Gregor Boirie Acked-by: Sanchayan Maity Signed-off-by: Jonathan Cameron --- Documentation/ABI/testing/sysfs-bus-iio | 7 +++++++ Documentation/DocBook/iio.tmpl | 2 +- 2 files changed, 8 insertions(+), 1 deletion(-) (limited to 'Documentation') diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index e7f590c6ef8e..fee35c00cc4e 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -32,6 +32,13 @@ Description: Description of the physical chip / device for device X. Typically a part number. +What: /sys/bus/iio/devices/iio:deviceX/timestamp_clock +KernelVersion: 4.5 +Contact: linux-iio@vger.kernel.org +Description: + String identifying current posix clock used to timestamp + buffered samples and events for device X. + What: /sys/bus/iio/devices/iio:deviceX/sampling_frequency What: /sys/bus/iio/devices/iio:deviceX/buffer/sampling_frequency What: /sys/bus/iio/devices/triggerX/sampling_frequency diff --git a/Documentation/DocBook/iio.tmpl b/Documentation/DocBook/iio.tmpl index f525bf56d1dd..e2ab6a1f223e 100644 --- a/Documentation/DocBook/iio.tmpl +++ b/Documentation/DocBook/iio.tmpl @@ -594,7 +594,7 @@ irqreturn_t sensor_iio_pollfunc(int irq, void *p) { - pf->timestamp = iio_get_time_ns(); + pf->timestamp = iio_get_time_ns((struct indio_dev *)p); return IRQ_WAKE_THREAD; } -- cgit v1.2.3 From 8d2c7ef80bc8a66b8c6d657a857403f93952604f Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Thu, 30 Jun 2016 03:48:45 +0200 Subject: iio: pressure: bmp280: augment DT bindings This adds standard device tree bindings for a reset GPIO line, and the VDDD and VDDA power regulators. Cc: devicetree@vger.kernel.org Acked-by: Rob Herring Signed-off-by: Linus Walleij Signed-off-by: Jonathan Cameron --- Documentation/devicetree/bindings/iio/pressure/bmp085.txt | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/iio/pressure/bmp085.txt b/Documentation/devicetree/bindings/iio/pressure/bmp085.txt index d7a6deb6b21e..c7198a03c906 100644 --- a/Documentation/devicetree/bindings/iio/pressure/bmp085.txt +++ b/Documentation/devicetree/bindings/iio/pressure/bmp085.txt @@ -1,7 +1,11 @@ -BMP085/BMP18x digital pressure sensors +BMP085/BMP18x/BMP28x digital pressure sensors Required properties: -- compatible: bosch,bmp085 +- compatible: must be one of: + "bosch,bmp085" + "bosch,bmp180" + "bosch,bmp280" + "bosch,bme280" Optional properties: - chip-id: configurable chip id for non-default chip revisions @@ -10,6 +14,10 @@ Optional properties: value range is 0-3 with rising sensitivity. - interrupt-parent: should be the phandle for the interrupt controller - interrupts: interrupt mapping for IRQ +- reset-gpios: a GPIO line handling reset of the sensor: as the line is + active low, it should be marked GPIO_ACTIVE_LOW (see gpio/gpio.txt) +- vddd-supply: digital voltage regulator (see regulator/regulator.txt) +- vdda-supply: analog voltage regulator (see regulator/regulator.txt) Example: @@ -21,4 +29,7 @@ pressure@77 { default-oversampling = <2>; interrupt-parent = <&gpio0>; interrupts = <25 IRQ_TYPE_EDGE_RISING>; + reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>; + vddd-supply = <&foo>; + vdda-supply = <&bar>; }; -- cgit v1.2.3 From d3c4d0ab3b4e7cdfe5a209ba4d58bf5787e7c47f Mon Sep 17 00:00:00 2001 From: Raveendra Padasalagi Date: Tue, 28 Jun 2016 13:10:34 +0530 Subject: Documentation: DT: Add iproc-static-adc binding The patch adds devicetree binding document for broadcom's iproc-static-adc controller driver. Signed-off-by: Raveendra Padasalagi Reviewed-by: Ray Jui Reviewed-by: Scott Branden Acked-by: Rob Herring Signed-off-by: Jonathan Cameron --- .../bindings/iio/adc/brcm,iproc-static-adc.txt | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/brcm,iproc-static-adc.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/iio/adc/brcm,iproc-static-adc.txt b/Documentation/devicetree/bindings/iio/adc/brcm,iproc-static-adc.txt new file mode 100644 index 000000000000..caaaed765ce4 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/brcm,iproc-static-adc.txt @@ -0,0 +1,41 @@ +* Broadcom's IPROC Static ADC controller + +Broadcom iProc ADC controller has 8 channels 10bit ADC. +Allows user to convert analog input voltage values to digital. + +Required properties: + +- compatible: Must be "brcm,iproc-static-adc" + +- adc-syscon: Handler of syscon node defining physical base address of the + controller and length of memory mapped region. + +- #io-channel-cells = <1>; As ADC has multiple outputs + refer to Documentation/devicetree/bindings/iio/iio-bindings.txt for details. + +- io-channel-ranges: + refer to Documentation/devicetree/bindings/iio/iio-bindings.txt for details. + +- clocks: Clock used for this block. + +- clock-names: Clock name should be given as tsc_clk. + +- interrupts: interrupt line number. + +For example: + + ts_adc_syscon: ts_adc_syscon@180a6000 { + compatible = "brcm,iproc-ts-adc-syscon","syscon"; + reg = <0x180a6000 0xc30>; + }; + + adc: adc@180a6000 { + compatible = "brcm,iproc-static-adc"; + adc-syscon = <&ts_adc_syscon>; + #io-channel-cells = <1>; + io-channel-ranges; + clocks = <&asiu_clks BCM_CYGNUS_ASIU_ADC_CLK>; + clock-names = "tsc_clk"; + interrupts = ; + status = "disabled"; + }; -- cgit v1.2.3 From 55389e8bc5dce8931d9c46d83c534c4997565e97 Mon Sep 17 00:00:00 2001 From: Florian Vaussard Date: Thu, 30 Jun 2016 09:43:05 +0200 Subject: iio: adc: max1363: Add device tree binding documentation Add the device tree documentation for all the supported parts. Mandatory binding is the compatible string and the slave I2C address. Optional properties can be used to specify the Vcc / Vref regulators, as well as the IRQ line if available. Acked-by: Rob Herring Signed-off-by: Florian Vaussard Signed-off-by: Jonathan Cameron --- .../devicetree/bindings/iio/adc/max1363.txt | 63 ++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/max1363.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/iio/adc/max1363.txt b/Documentation/devicetree/bindings/iio/adc/max1363.txt new file mode 100644 index 000000000000..94a9011dd860 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/max1363.txt @@ -0,0 +1,63 @@ +* Maxim 1x3x/136x/116xx Analog to Digital Converter (ADC) + +The node for this driver must be a child node of a I2C controller, hence +all mandatory properties for your controller must be specified. See directory: + + Documentation/devicetree/bindings/i2c + +for more details. + +Required properties: + - compatible: Should be one of + "maxim,max1361" + "maxim,max1362" + "maxim,max1363" + "maxim,max1364" + "maxim,max1036" + "maxim,max1037" + "maxim,max1038" + "maxim,max1039" + "maxim,max1136" + "maxim,max1137" + "maxim,max1138" + "maxim,max1139" + "maxim,max1236" + "maxim,max1237" + "maxim,max1238" + "maxim,max1239" + "maxim,max11600" + "maxim,max11601" + "maxim,max11602" + "maxim,max11603" + "maxim,max11604" + "maxim,max11605" + "maxim,max11606" + "maxim,max11607" + "maxim,max11608" + "maxim,max11609" + "maxim,max11610" + "maxim,max11611" + "maxim,max11612" + "maxim,max11613" + "maxim,max11614" + "maxim,max11615" + "maxim,max11616" + "maxim,max11617" + "maxim,max11644" + "maxim,max11645" + "maxim,max11646" + "maxim,max11647" + - reg: Should contain the ADC I2C address + +Optional properties: + - vcc-supply: phandle to the regulator that provides power to the ADC. + - vref-supply: phandle to the regulator for ADC reference voltage. + - interrupts: IRQ line for the ADC. If not used the driver will use + polling. + +Example: +adc: max11644@36 { + compatible = "maxim,max11644"; + reg = <0x36>; + vref-supply = <&adc_vref>; +}; -- cgit v1.2.3 From deec2fadff6aa6a26e96cc12c7c8bacdc145b5af Mon Sep 17 00:00:00 2001 From: Florian Vaussard Date: Thu, 30 Jun 2016 09:34:49 +0200 Subject: iio: potentiometer: mcp4531: Add device tree binding documentation Add the device tree documentation for all the supported parts. Apart the compatible string and standard I2C binding, no other binding is currently needed. Signed-off-by: Florian Vaussard Acked-by: Rob Herring Signed-off-by: Jonathan Cameron --- .../devicetree/bindings/i2c/trivial-devices.txt | 64 ++++++++++++++++++++++ 1 file changed, 64 insertions(+) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/i2c/trivial-devices.txt b/Documentation/devicetree/bindings/i2c/trivial-devices.txt index 539874490492..acc5cd64711c 100644 --- a/Documentation/devicetree/bindings/i2c/trivial-devices.txt +++ b/Documentation/devicetree/bindings/i2c/trivial-devices.txt @@ -56,6 +56,70 @@ maxim,ds1050 5 Bit Programmable, Pulse-Width Modulator maxim,max1237 Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs maxim,max6625 9-Bit/12-Bit Temperature Sensors with I²C-Compatible Serial Interface mc,rv3029c2 Real Time Clock Module with I2C-Bus +microchip,mcp4531-502 Microchip 7-bit Single I2C Digital Potentiometer (5k) +microchip,mcp4531-103 Microchip 7-bit Single I2C Digital Potentiometer (10k) +microchip,mcp4531-503 Microchip 7-bit Single I2C Digital Potentiometer (50k) +microchip,mcp4531-104 Microchip 7-bit Single I2C Digital Potentiometer (100k) +microchip,mcp4532-502 Microchip 7-bit Single I2C Digital Potentiometer (5k) +microchip,mcp4532-103 Microchip 7-bit Single I2C Digital Potentiometer (10k) +microchip,mcp4532-503 Microchip 7-bit Single I2C Digital Potentiometer (50k) +microchip,mcp4532-104 Microchip 7-bit Single I2C Digital Potentiometer (100k) +microchip,mcp4541-502 Microchip 7-bit Single I2C Digital Potentiometer with NV Memory (5k) +microchip,mcp4541-103 Microchip 7-bit Single I2C Digital Potentiometer with NV Memory (10k) +microchip,mcp4541-503 Microchip 7-bit Single I2C Digital Potentiometer with NV Memory (50k) +microchip,mcp4541-104 Microchip 7-bit Single I2C Digital Potentiometer with NV Memory (100k) +microchip,mcp4542-502 Microchip 7-bit Single I2C Digital Potentiometer with NV Memory (5k) +microchip,mcp4542-103 Microchip 7-bit Single I2C Digital Potentiometer with NV Memory (10k) +microchip,mcp4542-503 Microchip 7-bit Single I2C Digital Potentiometer with NV Memory (50k) +microchip,mcp4542-104 Microchip 7-bit Single I2C Digital Potentiometer with NV Memory (100k) +microchip,mcp4551-502 Microchip 8-bit Single I2C Digital Potentiometer (5k) +microchip,mcp4551-103 Microchip 8-bit Single I2C Digital Potentiometer (10k) +microchip,mcp4551-503 Microchip 8-bit Single I2C Digital Potentiometer (50k) +microchip,mcp4551-104 Microchip 8-bit Single I2C Digital Potentiometer (100k) +microchip,mcp4552-502 Microchip 8-bit Single I2C Digital Potentiometer (5k) +microchip,mcp4552-103 Microchip 8-bit Single I2C Digital Potentiometer (10k) +microchip,mcp4552-503 Microchip 8-bit Single I2C Digital Potentiometer (50k) +microchip,mcp4552-104 Microchip 8-bit Single I2C Digital Potentiometer (100k) +microchip,mcp4561-502 Microchip 8-bit Single I2C Digital Potentiometer with NV Memory (5k) +microchip,mcp4561-103 Microchip 8-bit Single I2C Digital Potentiometer with NV Memory (10k) +microchip,mcp4561-503 Microchip 8-bit Single I2C Digital Potentiometer with NV Memory (50k) +microchip,mcp4561-104 Microchip 8-bit Single I2C Digital Potentiometer with NV Memory (100k) +microchip,mcp4562-502 Microchip 8-bit Single I2C Digital Potentiometer with NV Memory (5k) +microchip,mcp4562-103 Microchip 8-bit Single I2C Digital Potentiometer with NV Memory (10k) +microchip,mcp4562-503 Microchip 8-bit Single I2C Digital Potentiometer with NV Memory (50k) +microchip,mcp4562-104 Microchip 8-bit Single I2C Digital Potentiometer with NV Memory (100k) +microchip,mcp4631-502 Microchip 7-bit Dual I2C Digital Potentiometer (5k) +microchip,mcp4631-103 Microchip 7-bit Dual I2C Digital Potentiometer (10k) +microchip,mcp4631-503 Microchip 7-bit Dual I2C Digital Potentiometer (50k) +microchip,mcp4631-104 Microchip 7-bit Dual I2C Digital Potentiometer (100k) +microchip,mcp4632-502 Microchip 7-bit Dual I2C Digital Potentiometer (5k) +microchip,mcp4632-103 Microchip 7-bit Dual I2C Digital Potentiometer (10k) +microchip,mcp4632-503 Microchip 7-bit Dual I2C Digital Potentiometer (50k) +microchip,mcp4632-104 Microchip 7-bit Dual I2C Digital Potentiometer (100k) +microchip,mcp4641-502 Microchip 7-bit Dual I2C Digital Potentiometer with NV Memory (5k) +microchip,mcp4641-103 Microchip 7-bit Dual I2C Digital Potentiometer with NV Memory (10k) +microchip,mcp4641-503 Microchip 7-bit Dual I2C Digital Potentiometer with NV Memory (50k) +microchip,mcp4641-104 Microchip 7-bit Dual I2C Digital Potentiometer with NV Memory (100k) +microchip,mcp4642-502 Microchip 7-bit Dual I2C Digital Potentiometer with NV Memory (5k) +microchip,mcp4642-103 Microchip 7-bit Dual I2C Digital Potentiometer with NV Memory (10k) +microchip,mcp4642-503 Microchip 7-bit Dual I2C Digital Potentiometer with NV Memory (50k) +microchip,mcp4642-104 Microchip 7-bit Dual I2C Digital Potentiometer with NV Memory (100k) +microchip,mcp4651-502 Microchip 8-bit Dual I2C Digital Potentiometer (5k) +microchip,mcp4651-103 Microchip 8-bit Dual I2C Digital Potentiometer (10k) +microchip,mcp4651-503 Microchip 8-bit Dual I2C Digital Potentiometer (50k) +microchip,mcp4651-104 Microchip 8-bit Dual I2C Digital Potentiometer (100k) +microchip,mcp4652-502 Microchip 8-bit Dual I2C Digital Potentiometer (5k) +microchip,mcp4652-103 Microchip 8-bit Dual I2C Digital Potentiometer (10k) +microchip,mcp4652-503 Microchip 8-bit Dual I2C Digital Potentiometer (50k) +microchip,mcp4652-104 Microchip 8-bit Dual I2C Digital Potentiometer (100k) +microchip,mcp4661-502 Microchip 8-bit Dual I2C Digital Potentiometer with NV Memory (5k) +microchip,mcp4661-103 Microchip 8-bit Dual I2C Digital Potentiometer with NV Memory (10k) +microchip,mcp4661-503 Microchip 8-bit Dual I2C Digital Potentiometer with NV Memory (50k) +microchip,mcp4661-104 Microchip 8-bit Dual I2C Digital Potentiometer with NV Memory (100k) +microchip,mcp4662-502 Microchip 8-bit Dual I2C Digital Potentiometer with NV Memory (5k) +microchip,mcp4662-103 Microchip 8-bit Dual I2C Digital Potentiometer with NV Memory (10k) +microchip,mcp4662-503 Microchip 8-bit Dual I2C Digital Potentiometer with NV Memory (50k) +microchip,mcp4662-104 Microchip 8-bit Dual I2C Digital Potentiometer with NV Memory (100k) national,lm63 Temperature sensor with integrated fan control national,lm75 I2C TEMP SENSOR national,lm80 Serial Interface ACPI-Compatible Microprocessor System Hardware Monitor -- cgit v1.2.3