From: Philippe Schenker <[email protected]> Add atmel mxt multitouch controller and TouchRevolution multitouch controller which are connected over an I2C bus.
Signed-off-by: Philippe Schenker <[email protected]> --- arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi | 37 +++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi b/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi index d4dbc4fc1adf..f6cbbe876532 100644 --- a/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi +++ b/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi @@ -145,6 +145,34 @@ &i2c4 { status = "okay"; + /* + * the PCAPs use SODIMM 28/30, also used for PWM<B>, PWM<C>, aka pwm2, + * pwm3. so if you enable one of the PCAP controllers disable the pwms + */ + atmel_mxt_ts: atmel_mxt_ts@4a { + compatible = "atmel,maxtouch"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_gpiotouch>; + reg = <0x4a>; + interrupt-parent = <&gpio1>; + interrupts = <9 IRQ_TYPE_EDGE_FALLING>; /* SODIMM 28 */ + reset-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>; /* SODIMM 30 */ + status = "disabled"; + }; + + touch: touchrevf0710a@10 { + compatible = "touchrevolution,fusion-f0710a"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_gpiotouch>; + reg = <0x10>; + /* SODIMM 28, Pen down interrupt */ + gpios = <&gpio1 9 GPIO_ACTIVE_HIGH + /* SODIMM 30, Reset interrupt */ + &gpio1 10 GPIO_ACTIVE_LOW + >; + status = "disabled"; + }; + /* M41T0M6 real time clock on carrier board */ rtc: m41t0m6@68 { compatible = "st,m41t0"; @@ -200,3 +228,12 @@ vmmc-supply = <®_3v3>; status = "okay"; }; + +&iomuxc { + pinctrl_gpiotouch: touchgpios { + fsl,pins = < + MX7D_PAD_GPIO1_IO09__GPIO1_IO9 0x74 + MX7D_PAD_GPIO1_IO10__GPIO1_IO10 0x14 + >; + }; +}; -- 2.22.0
