diff options
| author | Mao Li <maol@codeaurora.org> | 2016-02-24 14:04:18 +0800 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-25 16:02:35 -0700 |
| commit | 954d86462266ec5e3fb1122cf01b9a339947cb00 (patch) | |
| tree | a916d181f736e947e8bead19ef44b4243c2a5d43 /Documentation | |
| parent | 07ceb38173c00cc36d74500ed1742a8daf2d66a0 (diff) | |
input: synaptics_dsx_2.6: update driver to enable touch S332U
Synaptics reference driver V2.6 is being cleaned up to enable touch
controller S332U. Add Kconfig and Makefile changes to enable Synaptics dsx
V2.6 driver's compilation.
CRs-Fixed: 943896
Change-Id: I7e79e9ee321b7a7c90d27f065281dc73cee65391
Signed-off-by: Mao Li <maol@codeaurora.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/synaptics_dsxv26_i2c.txt | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/touchscreen/synaptics_dsxv26_i2c.txt b/Documentation/devicetree/bindings/input/touchscreen/synaptics_dsxv26_i2c.txt new file mode 100644 index 000000000000..7dece8e06240 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/synaptics_dsxv26_i2c.txt @@ -0,0 +1,50 @@ +Synaptics DSXV26 touch controller + +Please add this description here: The Synaptics Touch controller is connected to the +host processor via I2C. The controller generates interrupts when the user touches +the panel. The host controller is expected to read the touch coordinates over I2C and +pass the coordinates to the rest of the system. + +Required properties: + + - compatible : should be "synaptics,dsx-i2c". + - reg : i2c slave address of the device. + - interrupt-parent : parent of interrupt. + - synaptics,irq-gpio : irq gpio. + - synaptics,irq-flags : irq flags. + +Optional property: + - vdd_ana-supply : digital voltage power supply needed to power device. + - vcc_i2c-supply : analog voltage power supply needed to power device. + - synaptics,pwr-reg-name : power reg name of digital voltage. + - synaptics,bus-reg-name : bus reg name of analog voltage. + - synaptics,irq-on-state : status of irq gpio. + - synaptics,cap-button-codes : virtual key code mappings to be used. + - synaptics,vir-button-codes : virtual key code and the response region on panel. + - synaptics,x-flip : modify orientation of the x axis. + - synaptics,y-flip : modify orientation of the y axis. + - synaptics,reset-delay-ms : reset delay for controller (ms), default 100. + - synaptics,max-y-for-2d : maximal y value of the panel. + +Example: + i2c@78b7000 { + status = "ok"; + synaptics@4b { + compatible = "synaptics,dsx-i2c"; + reg = <0x4b>; + interrupt-parent = <&tlmm>; + interrupts = <65 0x2008>; + vdd_ana-supply = <&pmtitanium_l17>; + vcc_i2c-supply = <&pmtitanium_l6>; + synaptics,pwr-reg-name = "vdd_ana"; + synaptics,bus-reg-name = "vcc_i2c"; + synaptics,irq-gpio = <&tlmm 65 0x2008>; + synaptics,irq-on-state = <0>; + synaptics,irq-flags = <0x2008>; /* IRQF_ONESHOT | IRQF_TRIGGER_LOW */ + synaptics,power-delay-ms = <200>; + synaptics,reset-delay-ms = <200>; + synaptics,max-y-for-2d = <1919>; /* remove if no virtual buttons */ + synaptics,cap-button-codes = <139 172 158>; + synaptics,vir-button-codes = <139 180 2000 320 160 172 540 2000 320 160 158 900 2000 320 160>; + }; + }; |