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ARM: dts: Add stmpe-adc DT node to Toradex iMX6 modules 

Add the stmpe-adc DT node as found on Toradex iMX6 modules

Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Philippe Schenker 2019-01-22 14:21:34 +01:00 committed by Shawn Guo
parent da8782f673
commit a822029a0c
2 changed files with 28 additions and 16 deletions
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22
arch/arm/boot/dts/imx6qdl-apalis.dtsi
View File

@ -332,11 +332,17 @@
id = <0>;
blocks = <0x5>;
irq-trigger = <0x1>;
/* 3.25 MHz ADC clock speed */
st,adc-freq = <1>;
/* 12-bit ADC */
st,mod-12b = <1>;
/* internal ADC reference */
st,ref-sel = <0>;
/* ADC converstion time: 80 clocks */
st,sample-time = <4>;
stmpe_touchscreen {
compatible = "st,stmpe-ts";
/* 3.25 MHz ADC clock speed */
st,adc-freq = <1>;
/* 8 sample average control */
st,ave-ctrl = <3>;
/* 7 length fractional part in z */
@ -346,17 +352,17 @@
* current limit value
*/
st,i-drive = <1>;
/* 12-bit ADC */
st,mod-12b = <1>;
/* internal ADC reference */
st,ref-sel = <0>;
/* ADC converstion time: 80 clocks */
st,sample-time = <4>;
/* 1 ms panel driver settling time */
st,settling = <3>;
/* 5 ms touch detect interrupt delay */
st,touch-det-delay = <5>;
};
stmpe_adc {
compatible = "st,stmpe-adc";
/* forbid to use ADC channels 3-0 (touch) */
st,norequest-mask = <0x0F>;
};
};
};

22
arch/arm/boot/dts/imx6qdl-colibri.dtsi
View File

@ -262,11 +262,17 @@
id = <0>;
blocks = <0x5>;
irq-trigger = <0x1>;
/* 3.25 MHz ADC clock speed */
st,adc-freq = <1>;
/* 12-bit ADC */
st,mod-12b = <1>;
/* internal ADC reference */
st,ref-sel = <0>;
/* ADC converstion time: 80 clocks */
st,sample-time = <4>;
stmpe_touchscreen {
compatible = "st,stmpe-ts";
/* 3.25 MHz ADC clock speed */
st,adc-freq = <1>;
/* 8 sample average control */
st,ave-ctrl = <3>;
/* 7 length fractional part in z */
@ -276,17 +282,17 @@
* current limit value
*/
st,i-drive = <1>;
/* 12-bit ADC */
st,mod-12b = <1>;
/* internal ADC reference */
st,ref-sel = <0>;
/* ADC converstion time: 80 clocks */
st,sample-time = <4>;
/* 1 ms panel driver settling time */
st,settling = <3>;
/* 5 ms touch detect interrupt delay */
st,touch-det-delay = <5>;
};
stmpe_adc {
compatible = "st,stmpe-adc";
/* forbid to use ADC channels 3-0 (touch) */
st,norequest-mask = <0x0F>;
};
};
};