Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
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ADS1015 (I2C)
This device is a 12-bit A-D converter with 4 inputs.
The inputs can be used single ended or in certain differential combinations.
For configuration all possible combinations are mapped to 8 channels:
0: Voltage over AIN0 and AIN1.
1: Voltage over AIN0 and AIN3.
2: Voltage over AIN1 and AIN3.
3: Voltage over AIN2 and AIN3.
4: Voltage over AIN0 and GND.
5: Voltage over AIN1 and GND.
6: Voltage over AIN2 and GND.
7: Voltage over AIN3 and GND.
Each channel can be configured individually:
- pga is the programmable gain amplifier (values are full scale)
0: +/- 6.144 V
1: +/- 4.096 V
2: +/- 2.048 V (default)
3: +/- 1.024 V
4: +/- 0.512 V
5: +/- 0.256 V
- data_rate in samples per second
0: 128
1: 250
2: 490
3: 920
4: 1600 (default)
5: 2400
6: 3300
1) The /ads1015 node
Required properties:
- compatible : must be "ti,ads1015"
- reg : I2C bus address of the device
- #address-cells : must be <1>
- #size-cells : must be <0>
The node contains child nodes for each channel that the platform uses.
Example ADS1015 node:
ads1015@49 {
compatible = "ti,ads1015";
reg = <0x49>;
#address-cells = <1>;
#size-cells = <0>;
[ child node definitions... ]
}
2) channel nodes
Required properties:
- reg : the channel number
Optional properties:
- ti,gain : the programmable gain amplifier setting
- ti,datarate : the converter data rate
Example ADS1015 channel node:
channel@4 {
reg = <4>;
ti,gain = <3>;
ti,datarate = <5>;
};

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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 */
};

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IBM POWERNV platform sensors
----------------------------
Required node properties:
- compatible: must be one of
"ibm,opal-sensor-cooling-fan"
"ibm,opal-sensor-amb-temp"
"ibm,opal-sensor-power-supply"
"ibm,opal-sensor-power"
- sensor-id: an opaque id provided by the firmware to the kernel, identifies a
given sensor and its attribute data
Example sensors node:
cooling-fan#8-data {
sensor-id = <0x7052107>;
compatible = "ibm,opal-sensor-cooling-fan";
};
amb-temp#1-thrs {
sensor-id = <0x5096000>;
compatible = "ibm,opal-sensor-amb-temp";
};

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* LM90 series thermometer.
Required node properties:
- compatible: manufacturer and chip name, one of
"adi,adm1032"
"adi,adt7461"
"adi,adt7461a"
"gmt,g781"
"national,lm90"
"national,lm86"
"national,lm89"
"national,lm99"
"dallas,max6646"
"dallas,max6647"
"dallas,max6649"
"dallas,max6657"
"dallas,max6658"
"dallas,max6659"
"dallas,max6680"
"dallas,max6681"
"dallas,max6695"
"dallas,max6696"
"onnn,nct1008"
"winbond,w83l771"
"nxp,sa56004"
- reg: I2C bus address of the device
- vcc-supply: vcc regulator for the supply voltage.
Optional properties:
- interrupts: Contains a single interrupt specifier which describes the
LM90 "-ALERT" pin output.
See interrupt-controller/interrupts.txt for the format.
Example LM90 node:
temp-sensor {
compatible = "onnn,nct1008";
reg = <0x4c>;
vcc-supply = <&palmas_ldo6_reg>;
interrupt-parent = <&gpio>;
interrupts = <TEGRA_GPIO(O, 4) IRQ_TYPE_LEVEL_LOW>;
}

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NTC Thermistor hwmon sensors
-------------------------------
Requires node properties:
- "compatible" value : one of
"epcos,b57330v2103"
"murata,ncp15wb473"
"murata,ncp18wb473"
"murata,ncp21wb473"
"murata,ncp03wb473"
"murata,ncp15wl333"
/* Usage of vendor name "ntc" is deprecated */
<DEPRECATED> "ntc,ncp15wb473"
<DEPRECATED> "ntc,ncp18wb473"
<DEPRECATED> "ntc,ncp21wb473"
<DEPRECATED> "ntc,ncp03wb473"
<DEPRECATED> "ntc,ncp15wl333"
- "pullup-uv" Pull up voltage in micro volts
- "pullup-ohm" Pull up resistor value in ohms
- "pulldown-ohm" Pull down resistor value in ohms
- "connected-positive" Always ON, If not specified.
Status change is possible.
- "io-channels" Channel node of ADC to be used for
conversion.
Optional node properties:
- "#thermal-sensor-cells" Used to expose itself to thermal fw.
Read more about iio bindings at
Documentation/devicetree/bindings/iio/iio-bindings.txt
Example:
ncp15wb473@0 {
compatible = "murata,ncp15wb473";
pullup-uv = <1800000>;
pullup-ohm = <47000>;
pulldown-ohm = <0>;
io-channels = <&adc 3>;
};

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Bindings for a fan connected to the PWM lines
Required properties:
- compatible : "pwm-fan"
- pwms : the PWM that is used to control the PWM fan
Example:
pwm-fan {
compatible = "pwm-fan";
status = "okay";
pwms = <&pwm 0 10000 0>;
};

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Versatile Express hwmon sensors
-------------------------------
Requires node properties:
- "compatible" value : one of
"arm,vexpress-volt"
"arm,vexpress-amp"
"arm,vexpress-temp"
"arm,vexpress-power"
"arm,vexpress-energy"
- "arm,vexpress-sysreg,func" when controlled via vexpress-sysreg
(see Documentation/devicetree/bindings/arm/vexpress-sysreg.txt
for more details)
Optional node properties:
- label : string describing the monitored value
Example:
energy@0 {
compatible = "arm,vexpress-energy";
arm,vexpress-sysreg,func = <13 0>;
label = "A15 Jcore";
};