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| author |   Jagan Teki <jagan@amarulasolutions.com> | 2017-03-24 21:48:40 +0530 |
|---|---|---|
| committer |   Shawn Guo <shawnguo@kernel.org> | 2017-04-10 16:16:16 +0800 |
| commit | 35d38f30eee6ee03c3ef6a69bd8fad848fe3e962 (patch) | |
| tree | d6de7020fad9ec0a0f94b9c7c022948096a825ee | |
| parent | ARM: dts: imx6ul-isiot: Add i2c nodes (diff) | |
| download | linux-dev-35d38f30eee6ee03c3ef6a69bd8fad848fe3e962.tar.xz linux-dev-35d38f30eee6ee03c3ef6a69bd8fad848fe3e962.zip | |
ARM: dts: imx6ul-isiot-common: Add touchscreen node
Add touchscreen node as i2c1 slave device on Engicam Is.IoT MX6UL
modules, the touchscreen controlled 'st,stmpe-ts' connected via
i2c with st,stmpe811 mfd interface.
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
| -rw-r--r-- | arch/arm/boot/dts/imx6ul-isiot-common.dtsi | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6ul-isiot-common.dtsi b/arch/arm/boot/dts/imx6ul-isiot-common.dtsi index 9660e20eacb6..2beaab6e272e 100644 --- a/arch/arm/boot/dts/imx6ul-isiot-common.dtsi +++ b/arch/arm/boot/dts/imx6ul-isiot-common.dtsi @@ -40,6 +40,34 @@ * OTHER DEALINGS IN THE SOFTWARE. */ +&i2c1 { + stmpe811: gpio-expander@44 { + compatible = "st,stmpe811"; + reg = <0x44>; + #address-cells = <1>; + #size-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_stmpe>; + interrupt-parent = <&gpio1>; + interrupts = <18 IRQ_TYPE_EDGE_FALLING>; + interrupt-controller; + #interrupt-cells = <2>; + + stmpe: touchscreen { + compatible = "st,stmpe-ts"; + st,sample-time = <4>; + st,mod-12b = <1>; + st,ref-sel = <0>; + st,adc-freq = <1>; + st,ave-ctrl = <1>; + st,touch-det-delay = <2>; + st,settling = <2>; + st,fraction-z = <7>; + st,i-drive = <1>; + }; + }; +}; + &lcdif { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_lcdif_dat @@ -104,4 +132,10 @@ MX6UL_PAD_LCD_DATA17__LCDIF_DATA17 0x79 >; }; + + pinctrl_stmpe: stmpegrp { + fsl,pins = < + MX6UL_PAD_UART1_CTS_B__GPIO1_IO18 0x1b0b0 + >; + }; }; |