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Kernel: Xiaomi kernel changes for Xiaomi5/XiaomiNote2/Xiaomi MIX/Xiao…
…mi5s/Xiaomi5sPlus (Android N) The Patch based on QualComm release version: LA.UM.5.5.r1-01800-8x96.0 The kernel config file used is gemini_user_defconfig Change-Id: I50ef4da34c8559696c732a030297932f3f04d13d Signed-off-by: wuzuofu <wuzuofu@xiaomi.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| Fingerprint Cards FPC1020 Swipe Sensor (SPI) | ||
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| Required properties: | ||
| - compatible : Should be "fpc,fpc1020". | ||
| - reg : Offset and length of the register regions for the device | ||
| - spi-max-frequency : Specifies maximum SPI clock frequency, Units - Hz. | ||
| - fpc,gpio_irq : GPIO input for sensor IRQ | ||
| - fpc,gpio_reset : GPIO output for sensor reset signal | ||
| - fpc,gpio_cs : GPIO output for sensor chip select signal | ||
| - vcc_spi-supply : Power supply regulator for SPI core | ||
| - vdd_ana-supply : Power supply regulator for sensor core and analog supply ("VDDA") | ||
| - vdd_io-supply : Power supply regulator sensor I/O ("VDDIO") | ||
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| Optional properties: | ||
| - fpc,vddtx_mv : TxOut, external power supply voltage in millivolt. | ||
| "0", or missing entry, selects internal supply (sourced from VDDA) | ||
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| - fpc,txout_boost_enable : If defined, enable voltage boost for internal TxOut power | ||
| supply. External TxOut power overrides this setting. | ||
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| - fpc,force_hwid : If defined, override chip hardware identifier. | ||
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| - fpc,use_fpc2050 : If defined hwid/sensorid will translate to one with bezel independent imaging | ||
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| Example: | ||
| spi@f9925000 { | ||
| status = "ok"; | ||
| fpc_fpc1020 { | ||
| compatible = "fpc,fpc1020"; | ||
| reg = <2>; | ||
| spi-max-frequency = <16000000>; | ||
| fpc,gpio_irq = <86>; | ||
| fpc,gpio_reset = <64>; | ||
| fpc,gpio_cs = <85>; | ||
| vcc_spi-supply = <&pm8941_s3>; | ||
| vdd_ana-supply = <&pm8941_lvs1>; | ||
| vdd_io-supply = <&pm8941_lvs1>; | ||
| }; | ||
| }; | ||
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Documentation/devicetree/bindings/input/touchscreen/msg21xx-ts.txt
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