On Wed, Mar 22, 2017 at 11:18:10PM +0530, Jagan Teki wrote:
> From: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
>
> 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 mfb interface.
s/mfb/mfd?
>
> Cc: Shawn Guo <shawnguo@xxxxxxxxxx>
> Cc: Matteo Lisi <matteo.lisi@xxxxxxxxxxx>
> Cc: Michael Trimarchi <michael@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/imx6ul-isiot-common.dtsi | 34 ++++++++++++++++++++++++++++++
> 1 file changed, 34 insertions(+)
>
> diff --git a/arch/arm/boot/dts/imx6ul-isiot-common.dtsi b/arch/arm/boot/dts/imx6ul-isiot-common.dtsi
> index 9660e20..b149b5e 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 {
> + touch: stmpe811@44 {
Label a MFD device 'touch'? Also, the node name should be generic. Not
sure what should be used for MFD device though.
> + compatible = "st,stmpe811";
> + reg = <0x44>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_stmpe_ts>;
If this is for stmpe-ts, shouldn't be put into touchscreen child node?
> + interrupt-parent = <&gpio1>;
> + interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> +
> + stmpe_touchscreen {
'stmpe: touchscreen {' might be better.
Shawn
> + 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_ts: stmpe-tsgrp {
> + fsl,pins = <
> + MX6UL_PAD_UART1_CTS_B__GPIO1_IO18 0x1b0b0
> + >;
> + };
> };
> --
> 1.9.1
>
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