diff options
Diffstat (limited to 'arch/arm/boot/dts/imx6dl-prtvt7.dts')
| -rw-r--r-- | arch/arm/boot/dts/imx6dl-prtvt7.dts | 57 |
1 files changed, 44 insertions, 13 deletions
diff --git a/arch/arm/boot/dts/imx6dl-prtvt7.dts b/arch/arm/boot/dts/imx6dl-prtvt7.dts index baaa6ffc4df9..59e0674420a1 100644 --- a/arch/arm/boot/dts/imx6dl-prtvt7.dts +++ b/arch/arm/boot/dts/imx6dl-prtvt7.dts @@ -235,6 +235,18 @@ frame-master; }; }; + + touchscreen { + compatible = "resistive-adc-touch"; + io-channels = <&adc_ts 1>, <&adc_ts 3>, <&adc_ts 4>, + <&adc_ts 5>; + io-channel-names = "y", "z1", "z2", "x"; + touchscreen-min-pressure = <64687>; + touchscreen-inverted-x; + touchscreen-inverted-y; + touchscreen-x-plate-ohms = <300>; + touchscreen-y-plate-ohms = <800>; + }; }; &audmux { @@ -277,22 +289,41 @@ pinctrl-0 = <&pinctrl_ecspi2>; status = "okay"; - touchscreen@0 { - compatible = "ti,tsc2046"; + adc_ts: adc@0 { + compatible = "ti,tsc2046e-adc"; reg = <0>; pinctrl-0 = <&pinctrl_tsc>; pinctrl-names ="default"; - spi-max-frequency = <100000>; - interrupts-extended = <&gpio3 20 IRQ_TYPE_EDGE_FALLING>; - pendown-gpio = <&gpio3 20 GPIO_ACTIVE_LOW>; - touchscreen-max-pressure = <4095>; - ti,vref-delay-usecs = /bits/ 16 <100>; - ti,x-plate-ohms = /bits/ 16 <800>; - ti,y-plate-ohms = /bits/ 16 <300>; - ti,debounce-max = /bits/ 16 <3>; - ti,debounce-tol = /bits/ 16 <70>; - ti,debounce-rep = /bits/ 16 <3>; - wakeup-source; + spi-max-frequency = <1000000>; + interrupts-extended = <&gpio3 20 IRQ_TYPE_LEVEL_LOW>; + #io-channel-cells = <1>; + + #address-cells = <1>; + #size-cells = <0>; + + channel@1 { + reg = <1>; + settling-time-us = <700>; + oversampling-ratio = <5>; + }; + + channel@3 { + reg = <3>; + settling-time-us = <700>; + oversampling-ratio = <5>; + }; + + channel@4 { + reg = <4>; + settling-time-us = <700>; + oversampling-ratio = <5>; + }; + + channel@5 { + reg = <5>; + settling-time-us = <700>; + oversampling-ratio = <5>; + }; }; }; |