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Merge "dt-bindings: input: touchscren: add description for synaptics_tcm"
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71
bindings/input/touchscreen/synaptics_tcm_i2c.txt
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71
bindings/input/touchscreen/synaptics_tcm_i2c.txt
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Synaptics TCM I2C touchscreen controller
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Required properties:
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- compatible:
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should be "synaptics,tcm-i2c"
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- reg:
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i2c slave address of device
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- interrupt-parent:
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hardware controller of interrupt signal
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- interrupts:
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gpio number and flags of interrupt signal
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- vdd-supply:
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digital power source
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- avdd-supply:
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analog power source
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- pinctrl-names:
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- pinctrl-0:
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- pinctrl-1:
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should be defined if using pinctrl framework
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"pmx_ts_active": active configuration of pins
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"pmx_ts_suspend": disabled configuration of pins
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- synaptics,bus-reg-name:
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name of digital power source regulator
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- synaptics,pwr-reg-name:
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name of analog power source regulator
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- synaptics,irq-gpio:
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interrupt hardware controller, gpio number, and flags
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- synaptics,irq-on-state:
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active state of interrupt signal
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Optional properties:
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- synaptics,power-gpio:
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hardware controller and gpio number of power control signal
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- synaptics,power-delay-ms:
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delay time in ms after powering on device
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- synaptics,reset-gpio:
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hardware controller and gpio number of reset signal
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- synaptics,reset-delay-ms:
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delay time in ms after issuing reset to device
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- synaptics,reset-on-state:
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active state of reset signal
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- synaptics,reset-active-ms:
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active duration in ms of reset signal
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- synaptics,x-flip:
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flip x axis
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- synaptics,y-flip:
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flip y axis
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- synaptics,swap-axes:
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swap x and y axes
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- synaptics,ubl-i2c-addr:
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i2c slave address of device in microbootloader mode
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Example:
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synaptics_tcm@2c {
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compatible = "synaptics,tcm-i2c";
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reg = <0x2c>;
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interrupt-parent = <&msm_gpio>;
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interrupts = <65 0x2008>;
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vdd-supply = <&pm8994_lvs2>;
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avdd-supply = <&pm8994_l22>;
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pinctrl-names = "pmx_ts_active", "pmx_ts_suspend";
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pinctrl-0 = <&ts_active>;
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pinctrl-1 = <&ts_suspend>;
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synaptics,pwr-reg-name = "avdd";
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synaptics,bus-reg-name = "vdd";
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synaptics,irq-gpio = <&msm_gpio 65 0x2008>;
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synaptics,irq-on-state = <0>;
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synaptics,power-delay-ms = <200>;
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synaptics,reset-delay-ms = <200>;
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synaptics,ubl-i2c-addr = <0x2c>;
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};
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86
bindings/input/touchscreen/synaptics_tcm_spi.txt
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86
bindings/input/touchscreen/synaptics_tcm_spi.txt
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Synaptics TCM SPI touchscreen controller
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Required properties:
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- compatible:
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should be "synaptics,tcm-spi"
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- reg:
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should be 0
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- spi-max-frequency:
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maximum spi clock frequency
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- interrupt-parent:
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hardware controller of interrupt signal
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- interrupts:
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gpio number and flags of interrupt signal
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- vdd-supply:
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digital power source
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- avdd-supply:
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analog power source
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- pinctrl-names:
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- pinctrl-0:
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- pinctrl-1:
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should be defined if using pinctrl framework
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"pmx_ts_active": active configuration of pins
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"pmx_ts_suspend": disabled configuration of pins
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- synaptics,bus-reg-name:
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name of digital power source regulator
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- synaptics,pwr-reg-name:
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name of analog power source regulator
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- synaptics,irq-gpio:
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interrupt hardware controller, gpio number, and flags
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- synaptics,irq-on-state:
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active state of interrupt signal
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Optional properties:
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- synaptics,spi-mode:
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spi mode
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- synaptics,byte-delay-us:
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inter-byte delay time in us
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- synaptics,block-delay-us:
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inter-block delay time in us
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- synaptics,power-gpio:
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hardware controller and gpio number of power control signal
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- synaptics,power-delay-ms:
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delay time in ms after powering on device
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- synaptics,reset-gpio:
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hardware controller and gpio number of reset signal
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- synaptics,reset-delay-ms:
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delay time in ms after issuing reset to device
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- synaptics,reset-on-state:
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active state of reset signal
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- synaptics,reset-active-ms:
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active duration in ms of reset signal
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- synaptics,x-flip:
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flip x axis
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- synaptics,y-flip:
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flip y axis
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- synaptics,swap-axes:
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swap x and y axes
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- synaptics,ubl-max-freq:
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maximum spi clock frequency for microbootloader mode
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- synaptics,ubl-byte-delay-us:
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inter-byte delay time in us for microbootloader mode
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Example:
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synaptics_tcm@0 {
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compatible = "synaptics,tcm-spi";
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reg = <0>;
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spi-max-frequency = <10000000>;
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interrupt-parent = <&msm_gpio>;
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interrupts = <65 0x2008>;
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vdd-supply = <&pm8994_lvs2>;
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avdd-supply = <&pm8994_l22>;
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pinctrl-names = "pmx_ts_active", "pmx_ts_suspend";
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pinctrl-0 = <&ts_active>;
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pinctrl-1 = <&ts_suspend>;
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synaptics,bus-reg-name = "vdd";
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synaptics,pwr-reg-name = "avdd";
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synaptics,irq-gpio = <&msm_gpio 65 0x2008>;
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synaptics,irq-on-state = <0>;
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synaptics,spi-mode = <3>;
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synaptics,byte-delay-us = <0>;
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synaptics,block-delay-us = <0>;
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synaptics,power-delay-ms = <200>;
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synaptics,reset-delay-ms = <200>;
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synaptics,ubl-max-freq = <5000000>;
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synaptics,ubl-byte-delay-us = <20>;
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};
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