diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-03 19:56:35 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-03 19:56:35 -0700 |
commit | ddcf6600b133697adbafd96e080818bdc0dfd028 (patch) | |
tree | f382f8eaca3cc2d298542ae9599ce49884127d0e /Documentation/devicetree | |
parent | c16bfeb264decb964742067f02fdd51494e25e64 (diff) | |
parent | a50d9a4d9ad3c71341788099d733e4151b8a511b (diff) |
Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
- new driver to support GMT G762/G763 pwm fan controllers
- add support for DS1631, DS1721, and DS1731 to ds1621 driver
- remove detect function from ds1621 driver as unreliable
- bug fixes in nct6775, iio_hwmon, and adm1021 drivers
- remove redundant platform_set_drvdata in various drivers
- add device tree support to ina2xx driver
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (ds1621) Fix temperature rounding operations
hwmon: (nct6775) Drop unsupported fan alarm attributes for NCT6775
hwmon: (nct6775) Fix temperature alarm attributes
Add support for GMT G762/G763 PWM fan controllers
hwmon: (ina2xx) Add device tree support to pass the shunt resistor
hwmon: (ds1621) Update documentation
hwmon: (ds1621) Add DS1731 chip support to ds1621 driver
hwmon: (iio_hwmon) add alias table
hwmon: (adm1021) Do not create min sysfs attributes for LM84
hwmon: (ds1621) Remove detect function
hwmon: (ds1621) Add ds1631 chip support to ds1621 driver and documentation
hwmon: (ds1621) Add ds1721 update interval sysfs attribute
hwmon: (ds1621) Add ds1721 chip support
hwmon: (w83627ehf) Remove redundant platform_set_drvdata()
hwmon: (ntc_thermistor) Remove redundant platform_set_drvdata()
hwmon: (i5k_amb) Remove redundant platform_set_drvdata()
hwmon: (coretemp) Remove redundant platform_set_drvdata()
hwmon: (abituguru3) Remove redundant platform_set_drvdata()
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r-- | Documentation/devicetree/bindings/hwmon/g762.txt | 47 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/i2c/ina2xx.txt | 22 |
2 files changed, 69 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/g762.txt b/Documentation/devicetree/bindings/hwmon/g762.txt new file mode 100644 index 00000000000..25cc6d8ee57 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/g762.txt @@ -0,0 +1,47 @@ +GMT G762/G763 PWM Fan controller + +Required node properties: + + - "compatible": must be either "gmt,g762" or "gmt,g763" + - "reg": I2C bus address of the device + - "clocks": a fixed clock providing input clock frequency + on CLK pin of the chip. + +Optional properties: + + - "fan_startv": fan startup voltage. Accepted values are 0, 1, 2 and 3. + The higher the more. + + - "pwm_polarity": pwm polarity. Accepted values are 0 (positive duty) + and 1 (negative duty). + + - "fan_gear_mode": fan gear mode. Supported values are 0, 1 and 2. + +If an optional property is not set in .dts file, then current value is kept +unmodified (e.g. u-boot installed value). + +Additional information on operational parameters for the device is available +in Documentation/hwmon/g762. A detailed datasheet for the device is available +at http://natisbad.org/NAS/refs/GMT_EDS-762_763-080710-0.2.pdf. + +Example g762 node: + + clocks { + #address-cells = <1>; + #size-cells = <0>; + + g762_clk: fixedclk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <8192>; + } + } + + g762: g762@3e { + compatible = "gmt,g762"; + reg = <0x3e>; + clocks = <&g762_clk> + fan_gear_mode = <0>; /* chip default */ + fan_startv = <1>; /* chip default */ + pwm_polarity = <0>; /* chip default */ + }; diff --git a/Documentation/devicetree/bindings/i2c/ina2xx.txt b/Documentation/devicetree/bindings/i2c/ina2xx.txt new file mode 100644 index 00000000000..a2ad85d7e74 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/ina2xx.txt @@ -0,0 +1,22 @@ +ina2xx properties + +Required properties: +- compatible: Must be one of the following: + - "ti,ina219" for ina219 + - "ti,ina220" for ina220 + - "ti,ina226" for ina226 + - "ti,ina230" for ina230 +- reg: I2C address + +Optional properties: + +- shunt-resistor + Shunt resistor value in micro-Ohm + +Example: + +ina220@44 { + compatible = "ti,ina220"; + reg = <0x44>; + shunt-resistor = <1000>; +}; |