diff options
Diffstat (limited to 'Documentation/devicetree/bindings/input/touchscreen')
-rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt | 37 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/sis_i2c.txt | 33 |
2 files changed, 70 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt b/Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt new file mode 100644 index 000000000..820fee4b7 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt @@ -0,0 +1,37 @@ +* GSL 1680 touchscreen controller + +Required properties: +- compatible : "silead,gsl1680" +- reg : I2C slave address of the chip (0x40) +- interrupt-parent : a phandle pointing to the interrupt controller + serving the interrupt for this chip +- interrupts : interrupt specification for the gsl1680 interrupt +- power-gpios : Specification for the pin connected to the gsl1680's + shutdown input. This needs to be driven high to take the + gsl1680 out of its low power state +- touchscreen-size-x : See touchscreen.txt +- touchscreen-size-y : See touchscreen.txt + +Optional properties: +- firmware-name : File basename (string) for board specific firmware +- touchscreen-inverted-x : See touchscreen.txt +- touchscreen-inverted-y : See touchscreen.txt +- touchscreen-swapped-x-y : See touchscreen.txt +- silead,max-fingers : maximum number of fingers the touchscreen can detect + +Example: + +i2c@00000000 { + gsl1680: touchscreen@40 { + compatible = "silead,gsl1680"; + reg = <0x40>; + interrupt-parent = <&pio>; + interrupts = <6 11 IRQ_TYPE_EDGE_FALLING>; + power-gpios = <&pio 1 3 GPIO_ACTIVE_HIGH>; + touchscreen-size-x = <480>; + touchscreen-size-y = <800>; + touchscreen-inverted-x; + touchscreen-swapped-x-y; + silead,max-fingers = <5>; + }; +}; diff --git a/Documentation/devicetree/bindings/input/touchscreen/sis_i2c.txt b/Documentation/devicetree/bindings/input/touchscreen/sis_i2c.txt new file mode 100644 index 000000000..d87ad14f1 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/sis_i2c.txt @@ -0,0 +1,33 @@ +* SiS I2C Multiple Touch Controller + +Required properties: +- compatible: must be "sis,9200-ts" +- reg: i2c slave address +- interrupt-parent: the phandle for the interrupt controller + (see interrupt binding [0]) +- interrupts: touch controller interrupt (see interrupt + binding [0]) + +Optional properties: +- pinctrl-names: should be "default" (see pinctrl binding [1]). +- pinctrl-0: a phandle pointing to the pin settings for the + device (see pinctrl binding [1]). +- attn-gpios: the gpio pin used as attention line +- reset-gpios: the gpio pin used to reset the controller +- wakeup-source: touchscreen can be used as a wakeup source + +[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt +[1]: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt + +Example: + + sis9255@5c { + compatible = "sis,9200-ts"; + reg = <0x5c>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sis>; + interrupt-parent = <&gpio3>; + interrupts = <19 IRQ_TYPE_EDGE_FALLING>; + irq-gpios = <&gpio3 19 GPIO_ACTIVE_LOW>; + reset-gpios = <&gpio2 30 GPIO_ACTIVE_LOW>; + }; |